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NANJING ALAS INTERNATIONAL CO., LTD
Views: 133 Author: Site Editor Publish Time: 2025-04-03 Origin: Site
When you pick the right steel bar cutter blade material, you make an important choice for rebar cutting performance, cutting quality and overall production cost. Most people in the industry choose cost-effective 9CrSi and Cr12MoV steel for standard rebar processing due to their balanced hardness and stable cutting performance. There are also upgraded premium options including H13, H13K and tungsten carbide tipped blades, which deliver superior red hardness, stronger impact resistance and excellent chipping-proof ability for high-strength rebar and waste steel cutting. Companies like Nanjing AlasMachinery supply a full series of blade materials and customized solutions to fit Korean, Turkish and all types of rebar cutter models and working conditions. Picking the matched blade material helps factories reduce frequent blade replacement, cut daily maintenance downtime and greatly extend blade service life. This brings huge benefits to commercial construction steel processing and waste steel recycling, where high-grade H13K blades can improve blade lifespan by over 200%.
Blade material selection directly determines processing efficiency, cutting finish, equipment downtime, maintenance expense and total lifecycle cost of rebar fabrication. Improper material or specification selection leads to premature chipping, edge rolling, uneven cuts and frequent blade replacement, severely delaying construction progress and compromising processing quality.
High-grade alloys including Cr12MoV, H13 and H13K deliver extended service life and drastically reduce breakdown frequency and production loss. Economy-grade 9CrSi or T10 serves as cost-effective entry options for conventional on-site rebar cutting.
Routine inspection, cleaning, lubrication, regrinding and timely blade replacement minimize unplanned shutdowns and notably cut annual maintenance expenditure.
Blade material, machine model and cutting clearance must be matched according to rebar grade (smooth HPB300, deformed HRB400/HRB500), bar diameter, rib profile and foreign inclusions inside raw material.
Reputable qualified suppliers provide custom dimension processing, standardized heat treatment, quality assurance and technical support to avoid mismatched specification errors.
Core selection logic: regular rebar prioritizes wear resistance; high-strength rebar emphasizes abrasion performance; heavy-duty continuous production requires superior red hardness; scrap rebar demands outstanding impact and chipping resistance.
Premium blades execute clean cuts with smooth, burr-free finishes free of wire dragging, lifting finished rebar quality and boosting downstream threading and welding efficiency. High-wear-resistant grades reliably process high-tensile HRB400 & HRB500 deformed rebar under long continuous operation. Sharper cutting edges enable faster feeding and drastically lower jamming-related downtime.
Blade chipping, edge dulling and rolling rank as the top cause of rebar cutter outage. Low-cost carbon steel inserts require frequent swapping, while premium alloy tool steel multiplies service lifespan. Upgrading from plain carbon steel to 9CrSi triples blade life; switching from 9CrSi to Cr12MoV or H13 largely eliminates chipping risks when cutting high-strength rebar. Well-structured, easy-to-clean blades further slash manual maintenance workload.
Blade procurement should never focus solely on upfront purchase price. Cheap low-grade blades incur excessive follow-up replacement, repair and downtime costs, pushing up overall operational expenses. Though high-performance alloys carry higher initial investment, they deliver superior long-term cost efficiency. Many buyers fall into the trap of cutting short-term procurement budget only to suffer inflated total production cost later.
Scientific selection targets full lifecycle cost instead of one-time buying cost. Premium blades feature excellent wear, impact and durability properties to reduce changeout frequency, equipment failure and production halt, achieving optimal long-term cost saving and stable operation.
Blade Grade | Initial Cost | Service Life | Replacement Frequency | Long-Term Economic Outcome |
|---|---|---|---|---|
Low-grade cheap blade | Low | Very short (hundreds to ~1,000 cuts) | Extremely frequent (every few days) | Poor (net overall loss) |
High-quality precision blade | Moderate-High | Long (thousands to tens of thousands cuts) | Infrequent | Excellent (net long-term savings) |
Material Grade | Initial Cost | Service Life | Impact Resistance | Long-Term Economy |
|---|---|---|---|---|
Carbon Steel (T8/T10) | Ultra-Low | Short | Poor | Inferior |
9CrSi | Low | Medium-Long | Moderate | Good (entry choice for regular jobsites) |
Cr12MoV | Mid-High | Long | Medium-Good | Excellent (mass production lines) |
H13 | High | Extra-Long | Good | Best (heavy-duty & high-tensile rebar) |
H13K | High | Extra-Long | Superior | Best (scrap rebar & heavy impact loads) |
Tungsten Carbide Tipped | Ultra-High | Maximum | Low | Top-tier (ultimate wear performance) |
Note: Actual unit price varies by dimension, machining tolerance, heat treatment and brand; table reflects relative material ranking only.
Many contractors opt for ultra-low-priced blades to slash upfront spending, yet this cost-saving shortcut backfires comprehensively. Inferior inserts wear rapidly and need constant restocking, inflating cumulative consumable cost. Frequent blade swap triggers recurring equipment downtime disrupting production scheduling and lowering total throughput. Poor cutting geometry also creates jagged ends, wire fraying and jamming, imposing extra load on cutter housing, bearings and core components to accelerate machine wear.
Rebar varies drastically in hardness, tensile strength and ductility across grades, directly defining cutting difficulty and corresponding blade requirements. Accurate rebar classification is foundational to prolonged blade lifespan and efficient fabrication.
Plain Round Bar: Smooth-surfaced such as HPB300 hot-rolled plain rebar, yield strength 300 MPa, tensile strength 420 MPa, widely used for stirrups and secondary structural reinforcement with homogeneous metallurgy and low cutting resistance.
Deformed Ribbed Bar (Threaded Rebar): Equipped with transverse and longitudinal ribs including HRB400 / HRB500 hot-rolled deformed grades. Rib protrusions deliver periodic shock and abrasive friction during shearing, demanding far higher impact and wear resistance from cutting blades versus plain round stock.
Grade Designation | Brand | Yield Strength (MPa) | Tensile Strength (MPa) | Typical Application |
|---|---|---|---|---|
Grade I Plain Bar | HPB235 | 235 | 370 | Stirrup & small component reinforcement |
Grade I Plain Bar | HPB300 | 300 | 420 | General secondary reinforcement |
Grade II Deformed | HRB335 | 335 | 510 | Phased out from mainstream construction |
Grade III Deformed | HRB400 | 400 | ≥540 | Dominant primary structural rebar |
Grade IV High-Strength | HRB500 | 500 | ≥630 | High-rise & bridge critical load-bearing members |
Higher numerical grade equals greater tensile/hardness values and stricter wear & toughness requirements for cutting inserts.
Per GB/T1499 Chinese national specification, hot-rolled deformed rebar is categorized by yield strength into HRB400, HRB500 etc., with suffix numbers referencing minimum yield MPa rating. HRB400 Grade III has replaced obsolete HRB335 as mainstream construction stock, while HRB500 applies to high-load pre-stressed concrete and high-rise core components.
High Tensile Hardness: HRB400+ high-strength rebar exerts extreme shear stress and surface friction during cutting, rapidly dulling or cracking low-grade blades via abrasion and overload stress, requiring high-hardness high-toughness specialty cutting inserts.
Cyclic Rib Impact: Raised rebar ribs create intermittent shock loading concentrating stress along cutting edges, inducing localized notching and premature chipping on standard blades while accelerating flank wear at rib contact zones.
Large-Diameter Thick Bar Cutting: Bars above Ø32 mm up to Ø40/50 mm impose peak shear load and impact force on cutter assembly. Clutch operation is mandatory for stock over Ø30 mm; forced overload cutting is strictly prohibited.
Impurity Contamination in Scrap Rebar: Salvaged rebar carries adhered concrete residue, rust, sand and embedded hard foreign particles accelerating abrasive wear. Pre-bent scrap stock also creates uneven shear stress amplifying chipping risk.
Field Tip: Remove surface concrete debris and straighten severely bent scrap before cutting to maximize blade service life.
Oversize & Special Profile Stock: Cutting beyond machine-rated bar diameter or miscellaneous section steel (angle/round/square bar) alters shear mechanics drastically leading to blade fracture and mainframe damage; specialty low-alloy steel requires upgraded high-hardness blade grades.
Frequent Grade Swapping: Irregular switching between multiple rebar grades and tensile strengths causes uneven blade wear and deteriorating cutting precision. Proper material & heat treatment matching between blade and workpiece guarantees sustained stable cutter operation.
Field Tip: Confirm rebar grade and diameter before mass production to select matching blade and set optimal cutting clearance.
Summary of wear characteristics: HPB300 plain bar creates mild uniform abrasion; HRB400 deformed bar triggers rib-induced shock chipping; HRB500 high-strength stock accelerates abrasive flank wear; scrap contaminated rebar causes irregular impact cracking; oversized thick bar generates high heat load leading to thermal softening.
Motor-driven crank-linkage reciprocates movable blade against fixed counterpart for shearing; proven low-cost design dominant on medium-small construction sites. Blade dimension strictly complies with model specification (GQ32/GQ40/GQ50/GQ60, numeral = max cutting diameter).
Representative Turkish machine lineup renowned for heavy-duty robust build and fast cutting cycle:
LXR-MC36: Mechanical, max Ø36 mm cutting capacity
LXR-MC45: High-efficiency mechanical, max Ø45 mm
LXR-MC55: Flagship heavy mechanical cutter, max Ø55 mm
Other Turkish OEM brands: Ademsan, Palme, Göçmaksan (GMS) with equivalent sizing.
Blade Recommendation: Continuous high-shock heavy mechanical units prioritize H13 or Cr12MoV; upgrade to H13K for impurity-laden scrap rebar processing.
Hydraulic power delivers superior shear force with smoother low-vibration operation ideal for large-diameter bar, high-volume production and scrap recycling, demanding premium red-hardness impact-resistant grades H13/H13K.
Korean classic portable series: Handy-25C/SH-25C/TYC-HD25B (max Ø25 mm, ~3 s cutting cycle); TYC-HD19A (lightweight Ø19 mm); SH-16C/SH-20C compact cutters for Ø16/Ø20 mm.
Blade Recommendation: Light-load portable units default to economical 9CrSi; upgrade to Cr12MoV for high-volume HRB400 deformed cutting.
TYC-D35/D35A (medium-duty Ø32~35 mm); KMC-32W/SH-32 specialized for high-tensile yellow-mark Ø32 mm rebar; TYC-HD42A/42C & KMC-42 heavy-duty max Ø42 mm capacity.
Blade Recommendation: All stock ≥Ø32 mm or high-strength rebar uses H13; shift to H13K exclusively for scrap recycling workflows.
Turkish hydraulic series (prefix = product line, numeric = max cutting diameter): MK-26/PHK26/LXR-HC26/H-24 (Ø24~26 mm mobile entry model); MK-36/PHK36/LXR-HC38/H-36 mid-range Ø36~38 mm; MK-42/PHK42/LXR-HC45/H-45 industry bestseller classic Ø42~45 mm with eight-sided multi-indexable blade geometry; MK-52/LXR-HC55/H-55 ultra-heavy Ø52~55 mm rough bar cutter.
Blade Recommendation: Rugged Turkish hydraulic construction favors H13/H13K; high-toughness alloy strongly recommended for eight-sided reversible cutting edges to maximize usable life per insert.
Engineered for high-throughput rebar fabrication plants with auto-feeding, fixed-length cutting and counting automation requiring consistent long-life low-maintenance cutting inserts.
Typical Models: TAC-60LM/TAC-60LL high-power auto line (single max Ø42 mm or bulk cutting ×25 pcs Ø10 mm); KMC-300DS/KMC-500DS continuous automated cutting system.
Blade Recommendation: Mass-production auto lines prioritize Cr12MoV for outstanding wear resistance or tungsten carbide-tipped for ultimate service life; H13K specified for high-strength or scrap rebar runs.
Sourcing Reminder: Confirm machine specification for exact blade footprint; GQXX = max cutting diameter XX mm. Never exceed rated cutting capacity to avoid blade & mainframe damage. Mounting hole layout and thickness differ across OEM brands; submit original blade drawing or machine model for custom fabrication.
Movable cutting blade bears primary cyclic impact load and preferably specified with high-toughness H13K; fixed stationary blade sustains steady shear stress and selects high-hardness H13/Cr12MoV for superior abrasion performance.
Double-bolt clamping delivers superior rigidity minimizing localized stress concentration versus single-bolt mounting to extend usable blade life; always retorque mounting fasteners periodically during routine maintenance.
Clearance directly governs cutting finish and insert durability: excessively tight clearance spikes frictional heat and flank wear; oversized gap causes incomplete cuts and workpiece jamming. Optimize gap between 0.1~0.3 mm per rebar hardness and diameter rating.
Hardness after heat treatment: HRC 48~52
Pros: Lowest raw cost, easy machining & bench regrind
Cons: Poor abrasion & impact resistance, prone to rapid dulling and chipping when cutting deformed rebar
Best Application: Casual intermittent small plain round bar cutting for temporary low-budget jobs only
Forbidden Use: All deformed/high-tensile/large-diameter rebar processing
Summary: Entry-level disposable grade with unfavorable long-run total cost despite cheap upfront pricing.
Hardness: HRC55~60 | Core Position: Budget mid-tier alloy for conventional jobsite cutting
Advantages: Optimized Cr-Si alloying delivers reliable through-hardening and balanced hardness, widely available at moderate cost, easy field regrinding for low maintenance expense
Limitations: Marginal toughness prone to edge chipping under HRB400+ shock loads; insufficient abrasion resistance for continuous high-strength deformed bar
Ideal Application: HPB300 plain bar, small-diameter intermittent cutting, OEM standard stock for SH-16C/Handy-25C portable hydraulic cutters, GQ32/GQ40 small mechanical machines
Prohibited: Continuous mass HRB400+ deformed or large-diameter stock cutting
Typical Service Life: 500~1000 cuts per usable cutting edge
Hardness: HRC58~62 | Core Position: Preferred mass-production line alloy for continuous standard rebar fabrication
Advantages: Exceptional hardness & abrasion retention maintaining sharp cutting edge over long production runs; superior through-hardening minimizing post-quench distortion and residual internal stress
Primary Failure Mode: Edge spalling under extreme overload shock or hard weld bead inclusion cutting due to moderate inherent toughness ceiling
Optimal Scenario: Continuous medium-small diameter (≤Ø25 mm) HRB400 and below rebar mass production lines, upgrade pick for TYC-D35/KMC-32W floor hydraulic cutters
Restricted Application: Heavy cyclic shock, hard weld bead or impurity-contaminated scrap cutting
Typical Lifespan: Tens of thousands of cuts under regulated operating parameters
Hardness: HRC50~55 | Core Position: Premium heavy-duty alloy for high-tensile high-impact rebar fabrication
Advantages: Outstanding fracture toughness eliminating chipping risk, excellent red hardness resisting thermal softening from high-speed cutting heat even up to 400 °C operating temperature
Primary Wear Mode: Gradual flank abrasive dulling after prolonged high-volume fine bar cutting (inferior to Cr12MoV in pure abrasion resistance)
Best Application: Heavy continuous hydraulic cutting, HRB500 ultra-high-strength rebar, ≥Ø32 mm large rough bar, workpieces with weld beads, Turkish MK-42/TYC-HD42A heavy machine OEM specification
Recommended Equipment: All hydraulic floor cutters & oversize heavy mechanical rebar shears
Service Reference: Equals four times standard low-grade blade service life in chipping-prone heavy-duty conditions
Hardness: HRC59~62 finished blade | Core Position: Upgraded customized H13 variant engineered specifically for high-impurity scrap rebar recycling
Advantages: Micro-alloying with V/N plus proprietary heat treatment boosts inherent impact toughness over standard H13 while retaining full original red hardness; drastically improved anti-chipping performance for concrete/rust-contaminated scrap stock
Limitation: Higher raw material cost and strict precision heat treatment requirement demanding certified qualified manufacturers
Primary Usage: Salvaged scrap rebar with embedded concrete/debris, high-frequency heavy-shock cutting, MK-52/KMC-300DS large scrap processing lines
Typical Performance: 30%~50% longer service life vs standard H13 under scrap rebar cutting conditions
Hardness: HRC68~92 | Core Trait: Industry-leading maximum abrasion resistance for extreme long service life
Application: High-volume ultra-high-strength rebar and high-hard inclusion scrap recycling, top-tier upgrade option for TAC-60LM automatic production lines
Downside: Brittle under sharp overload shock, very high procurement cost requiring diamond grinding wheel for reconditioning
Material | Finished Hardness (HRC) | Wear Resistance | Impact Toughness | Red Hardness | Core Merits | Dominant Failure Mode | Optimal Working Condition | Relative Market Price |
|---|---|---|---|---|---|---|---|---|
T8/T10 Carbon Steel | 48-52 | Poor | Poor | Poor | Minimal purchase cost | Rapid abrasion & random chipping | Sporadic small plain round cutting | Low |
9CrSi | 55-60 | Medium-Good | Moderate | Medium | Cost-efficient & easy field regrind | Gradual flank wear, occasional chipping | HPB300 plain bar & portable hydraulic cutters | Low-Mid |
Cr12MoV | 58-62 | Excellent | Medium-Good | Medium | Superior wear & sharp-edge retention | Chipping under heavy overload/hard inclusion | Continuous mass small-spec rebar production | Mid-Mid High |
H13 | 50-55 | Good | Excellent | Excellent | Anti-chipping & high thermal stability | Slow progressive flank abrasion after fine-bar high-volume runs | HRB500/large-diameter/weld-bead heavy-duty cutting | High |
H13K | 59-62 | Excellent | Superior | Excellent | Optimized anti-shock upgraded H13 | Rare extreme abrasive depletion | Scrap rebar with concrete/impurity | High |
WC Tipped | 68+ | Top-Tier | Low | Excellent | Ultimate long-wear lifespan | Catastrophic brittle fracture under sharp shock | Ultra-high-volume high-strength fabrication | Ultra-High |
Note: Real-world service life fluctuates with rebar grade, diameter, daily throughput and maintenance standard; table represents relative material benchmarking only.
Rebar / Processing Condition | First-Choice Alloy | Secondary Alternative | Selection Explanation |
|---|---|---|---|
HPB300 plain bar, small sporadic cuts, Ø16~25 mm portable hydraulic cutters | 9CrSi | T10 Carbon | Entry-level cost optimization |
Bulk jobsite HRB400 deformed bar, medium-small diameter continuous run, Ø32~42 mm floor cutter | Cr12MoV | H13 | Maximize abrasion life and reduce replacement downtime |
Full-auto continuous production lines | H13 | WC Tipped | Minimize frequent production halt from blade change |
Workpieces with weld bead, hard inclusion & periodic overload shock | H13 | H13K | Prioritize anti-chipping impact resistance |
Heavy-duty hydraulic cutting, HRB500 high-strength & ≥Ø32 mm large bar | H13 | H13K | Superior red hardness prevents high-temperature softening |
Concrete-contaminated scrap recycled rebar | H13K | H13 | Optimized impact grade for impurity-induced irregular shock |
Max lifespan ultra-high-volume high-strength production | WC Tipped | H13K | Ultimate abrasion durability priority |
Check for edge cracking, loose mounting bolts and intact safety guards before startup. Monitor cutting acoustic signature: crisp uniform cutting noise indicates sharp insert; harsh intermittent squealing signals advanced wear requiring inspection. Log maintenance records to pre-empt unexpected failure.
Per Shift: Clear cutting chips and debris accumulated between blade and cutter housing; verify bolt tightness
Every 2~3 Days: Apply thin lubricant on cutting edge and housing clearance for smoother feed and extended service life
Every 400~500 Operating Hours: Full machine overhaul including gear/bearing/eccentric wear check and clearance recalibration
Changeout Regulation: Cut off main power supply prior to blade replacement; replace fixed and movable inserts as matched set to maintain uniform wear geometry.
Compliant maintenance extends usable blade life by 25%~35%.
Carbon → 9CrSi: Mild cost increment with major lifespan & cutting quality gain
Frequent 9CrSi chipping → Cr12MoV: Boost abrasion resistance to stretch service interval for small-bar continuous production
High-tensile/large bar/weld inclusion cutting → H13: Utilize superior toughness and red hardness against chipping & thermal softening
Cr12MoV recurrent overload fracture → H13: Shift to high-impact alloy to eliminate shock-induced breakage
Excessive auto-line changeout downtime → Cr12MoV / WC Tip: Cut replacement frequency via superior wear performance
Persistent scrap rebar chipping → H13K: Industry-leading anti-shock grade for contaminated recycled stock
Buying ultra-low-cost carbon solely based on unit price: cheap upfront but crippling recurring replacement & shutdown loss long term
Ignoring rebar grade difference: using plain-bar carbon blades on ribbed HRB400 triggers immediate premature chipping
Skipping routine cleaning/lubrication: cutting lifespan reduced by over half due to abrasive trapped debris
Neglect cutting clearance adjustment: improper gap ruins finish and accelerates uneven wear
Overload cutting beyond machine rated diameter rating: permanent blade and mainframe damage
Retaining severely chipped/dulled inserts in service: damages mating fixed blade and expensive cutter housing plus poor cutting quality
Clearing cutting scrap by hand during machine running: severe bodily injury safety hazard
Processing regular scrap with standard H13 instead of H13K: persistent frequent breakage
Specifying H13 for long-run small-diameter fine bar mass production: inferior abrasion vs Cr12MoV causes premature dulling
Video: Onsite performance testing of heavy-duty rebar cutting machine blades under high-load conditions.
Original Setup: 9CrSi cutting Ø25 mm HRB400 deformed bar needing full blade swap every 3~4 days with constant construction downtime
Post-Upgrade: Cr12MoV fitted | Result: Service interval extended to minimum 15 days, unplanned outage down 70%, total consumable cost reduced 40% ideal for continuous on-site threaded bar fabrication.
Pain Point: 50+ tons daily HRB400 throughput with base alloy blades replaced every 3~4 days halting continuous production
Solution: Full line Cr12MoV conversion | Outcome: Triple blade service life cutting monthly swap count from 10 down to 3 and maximizing effective production runtime.
Original Issue: Concrete-laden scrap rebar causing 8~10 H13 blade failures monthly via edge chipping with recurring repair downtime
Switch to H13K: Monthly breakage drops below 2 units, overall service life improved by 50% fully resolving scrap-induced frequent fracture issue.
Working Condition: Daily 10+ hour continuous HRB500 cutting with frequent weld beads; standard inserts failed every 2~3 days from thermal softening and shock chipping
H13 Implementation: Service lifespan jumps above 12 days with excellent red hardness eliminating heat-induced annealing and overload fracture.
Visual Check: Visible edge notch/chip or permanent deformation requires immediate swap
Acoustic Check: Shift from crisp cutting tone to harsh squeal = advanced dulling
Finish Inspection: Excessive burr, flattened uneven cut ends signal worn cutting geometry
Cycle Count Reference: Inspect thoroughly after 500~1000 cuts per usable edge
Choose Cr12MoV: Continuous small-spec ≤HRB400 mass production prioritizing long-wear sharp-edge retention; avoid heavy shock/hard weld bead inclusion cutting
Choose H13: Large-diameter, HRB500 high-tensile, weld-bead or cyclic overload cutting relying on outstanding toughness and red hardness; not ideal for endless fine-bar runs due to lower abrasion performance.
Quick Rule: Small continuous wear = Cr12MoV | Heavy shock/high-strength/large stock = H13
H13K is thermochemically optimized upgraded H13 with refined micro-alloy formulation delivering drastically enhanced anti-chipping impact resistance while retaining original H13 red hardness. H13K is purpose-built for concrete/rust-contaminated scrap rebar with irregular heavy shock; standard H13 targets clean high-tensile bar with occasional weld bead exposure.
Defective movable blade concentrates abnormal shear stress onto stationary fixed insert accelerating its premature wear and failure; prolonged use also induces overloading damage on cutter housing, bearings and core mechanical assemblies inflating expensive repair cost.
Upgrade to high-hardness specialty alloy inserts and strictly adhere to machine maximum rated cutting diameter; never exceed equipment specification rating.
Dual-bolt fastening provides superior clamping rigidity minimizing localized stress concentration for extended service life; regularly retighten all mounting fasteners during routine inspection.
Complete pre-operation check on earth leakage protection, blade fixation and full safety guarding integrity
Commence cutting only after motor reaches full rated RPM; never feed workpiece with hands positioned across both sides of cutting gap
Prohibit manual scrap removal while machine powered
Cut off full power supply prior to any blade replacement
Standard H13 delivers ~4× service vs economy low-grade inserts for chipping-prone heavy-duty work; H13K extends service another 30~50% over regular H13 under scrap contaminated conditions, reaching tens of thousands of cuts with proper maintenance.
Regular small-bar mass production (≤HRB400): Cr12MoV (top wear performance)
Heavy high-strength/large/welded stock: H13 (premium anti-shock thermal stability)
Impurity scrap recycling heavy shock: H13K (highest fault tolerance for irregular cutting conditions)
Full Grade Progressive Spec Ladder:
Plain Carbon(T10) → 9CrSi (plain small bar / portable hand cutters) → Cr12MoV (continuous mass small-bar wear-focused production) → H13 (overload/high-tensile/large/welded bar anti-shock cutting) → H13K (impurity scrap recycling anti-chipping specialty grade) → WC Tipped (ultimate maximum service life high-volume production)
All rebar processing operations can finalize optimal blade material by five core parameters: Rebar Grade + Bar Diameter + Daily Production Throughput + Presence of Impurity/Weld Bead + Machine Brand & Model (Domestic/Korean/Turkish) + Budget Tier to maximize cutting efficiency, minimize unplanned downtime and reduce total long-term production expenditure.
Nanjing Alas International Co., Ltd. is a professional industrial tooling manufacturer focused on shear blades, bending dies, shredder blades, and custom wear parts. We offer full application engineering, material selection, setup guidance, and after-sales support to global customers.
Tell us your requirements, and our engineering team will provide professional solutions for blade specification, tool life optimization, and cost-effective production.