Phone:
86-15852949220
NANJING ALAS INTERNATIONAL CO., LTD
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Nanjing, China
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Carbon (C): The key element for hardness and wear resistance. Its 0.85-0.95% content ensures moderate hardness, avoiding brittleness (high carbon) or insufficient wear resistance (low carbon).
Chromium (Cr): Improves the hardenability and wear resistance of the steel, enhances the corrosion resistance of the blade surface, and prevents rust and oxidation during use.
Silicon (Si): Enhances the strength and toughness of the steel, improves the heat resistance during cutting, and reduces the deformation of the blade under intermittent load.
Low Mn, P, S: Strictly controlled impurities. Excessive Mn increases brittleness; P and S cause segregation, reducing impact resistance and leading to chipping.
High Carbon (C: 1.45-1.70%): Greatly enhances hardness and wear resistance, suitable for high-frequency cold shearing and long service life.
High Chromium (Cr: 11.00-13.00%): Forms hard carbides, boosting wear resistance and hardenability for uniform post-heat-treatment hardness.
Molybdenum (Mo): Improves the toughness and high-temperature stability of the steel, reduces the brittleness caused by high carbon and high chromium, and prevents chipping during heavy-load cutting.
Vanadium (V): Refines the grain structure of the steel, enhances the strength and wear resistance of the blade edge, and improves the impact resistance under instantaneous shear force.
Medium Carbon (C: 0.32-0.45%): Balances toughness and hardness, ensuring strong anti-chipping and anti-fracture performance under heavy load.
Chromium (Cr: 4.75-5.50%): Improves hardenability and corrosion resistance, forms a dense oxide film on the surface, and reduces wear caused by friction and extrusion.
Molybdenum (Mo): Enhances the high-temperature hardness (hot hardness) of the steel, ensuring the blade does not lose its temper during high-speed, repetitive shearing, and improving its adaptability to harsh conditions.
Vanadium (V): Refines the grain, enhances the strength and toughness of the substrate, and improves the wear resistance of the blade edge, making it suitable for cutting high-strength alloy steel and profiles with impurities.
Precision Hardness Control: Stable edge hardness (no over-hardening/chipping or under-hardening/fast wear), related to material composition and heat treatment.
Excellent Toughness: Resists instantaneous shear impact without chipping, cracking or deformation, determined by element matching (C, Cr, Mo, etc.).
High Wear Resistance: Maintains sharpness during high-frequency cutting, affected by C, Cr and V forming hard carbides.
Adapt to equal angle steel/unequal angle steel of 30mm-200mm side length, the most common application scenario of ironworker machines.
For ≤50mm thickness (smooth, burr-free); material choice (9CrSi=light load, Cr12MoV=medium-heavy, H13=heavy) affects effect.
Adapt to round steel/steel bar of ≤25mm diameter, precise cutting without deformation.
Channel Steel/Square Steel Cutting: Customized for non-standard profiles; Cr12MoV/H13 preferred for toughness and wear resistance.
No Over-spec Cutting: Match blade and profile specs; choose material by load (e.g., no 9CrSi for heavy-load large-spec cutting).
Precise Gap Adjustment: Follow the 0.05-0.1×profile thickness gap standard to ensure clean cutting and reduce blade wear.
Clean Workpiece Impurities: Remove weld scars, slag and rust to avoid edge damage (critical for H13 blades in harsh conditions).
Regular Equipment Lubrication: Add butter to the guide rail and pin shaft of the ironworker machine regularly to ensure smooth operation and avoid uneven force on the blade, which can cause local wear and chipping.
Use Four Cutting Edges: Flip dull edges to double tool life before regrinding/replacement.
Select 9CrSi/Cr12MoV/H13 per working conditions; 100% raw material certification.
Vacuum quenching for stable hardness, uniform structure and balanced performance.
CNC machining for tight tolerances, smooth edges and optimal blade clearance.
Industrial-grade wear resistance; four-cutting-edge design extends life further.
Non-standard blade customization; OEM/ODM support.
On-site guidance and regrinding suggestions.
Carbon (C): The key element for hardness and wear resistance. Its 0.85-0.95% content ensures moderate hardness, avoiding brittleness (high carbon) or insufficient wear resistance (low carbon).
Chromium (Cr): Improves the hardenability and wear resistance of the steel, enhances the corrosion resistance of the blade surface, and prevents rust and oxidation during use.
Silicon (Si): Enhances the strength and toughness of the steel, improves the heat resistance during cutting, and reduces the deformation of the blade under intermittent load.
Low Mn, P, S: Strictly controlled impurities. Excessive Mn increases brittleness; P and S cause segregation, reducing impact resistance and leading to chipping.
High Carbon (C: 1.45-1.70%): Greatly enhances hardness and wear resistance, suitable for high-frequency cold shearing and long service life.
High Chromium (Cr: 11.00-13.00%): Forms hard carbides, boosting wear resistance and hardenability for uniform post-heat-treatment hardness.
Molybdenum (Mo): Improves the toughness and high-temperature stability of the steel, reduces the brittleness caused by high carbon and high chromium, and prevents chipping during heavy-load cutting.
Vanadium (V): Refines the grain structure of the steel, enhances the strength and wear resistance of the blade edge, and improves the impact resistance under instantaneous shear force.
Medium Carbon (C: 0.32-0.45%): Balances toughness and hardness, ensuring strong anti-chipping and anti-fracture performance under heavy load.
Chromium (Cr: 4.75-5.50%): Improves hardenability and corrosion resistance, forms a dense oxide film on the surface, and reduces wear caused by friction and extrusion.
Molybdenum (Mo): Enhances the high-temperature hardness (hot hardness) of the steel, ensuring the blade does not lose its temper during high-speed, repetitive shearing, and improving its adaptability to harsh conditions.
Vanadium (V): Refines the grain, enhances the strength and toughness of the substrate, and improves the wear resistance of the blade edge, making it suitable for cutting high-strength alloy steel and profiles with impurities.
Precision Hardness Control: Stable edge hardness (no over-hardening/chipping or under-hardening/fast wear), related to material composition and heat treatment.
Excellent Toughness: Resists instantaneous shear impact without chipping, cracking or deformation, determined by element matching (C, Cr, Mo, etc.).
High Wear Resistance: Maintains sharpness during high-frequency cutting, affected by C, Cr and V forming hard carbides.
Adapt to equal angle steel/unequal angle steel of 30mm-200mm side length, the most common application scenario of ironworker machines.
For ≤50mm thickness (smooth, burr-free); material choice (9CrSi=light load, Cr12MoV=medium-heavy, H13=heavy) affects effect.
Adapt to round steel/steel bar of ≤25mm diameter, precise cutting without deformation.
Channel Steel/Square Steel Cutting: Customized for non-standard profiles; Cr12MoV/H13 preferred for toughness and wear resistance.
No Over-spec Cutting: Match blade and profile specs; choose material by load (e.g., no 9CrSi for heavy-load large-spec cutting).
Precise Gap Adjustment: Follow the 0.05-0.1×profile thickness gap standard to ensure clean cutting and reduce blade wear.
Clean Workpiece Impurities: Remove weld scars, slag and rust to avoid edge damage (critical for H13 blades in harsh conditions).
Regular Equipment Lubrication: Add butter to the guide rail and pin shaft of the ironworker machine regularly to ensure smooth operation and avoid uneven force on the blade, which can cause local wear and chipping.
Use Four Cutting Edges: Flip dull edges to double tool life before regrinding/replacement.
Select 9CrSi/Cr12MoV/H13 per working conditions; 100% raw material certification.
Vacuum quenching for stable hardness, uniform structure and balanced performance.
CNC machining for tight tolerances, smooth edges and optimal blade clearance.
Industrial-grade wear resistance; four-cutting-edge design extends life further.
Non-standard blade customization; OEM/ODM support.
On-site guidance and regrinding suggestions.