We provide expert application engineering support, not just replacement blades. At ALAS, we help you optimize material selection, reduce downtime, and solve complex cutting challenges through advanced metallurgy. We deliver reliable, field-proven tooling for metal shearing, rebar processing, recycling, and fabrication worldwide. Our focus is on consistent performance and the lowest total cost of ownership—delivering the science behind every edge.
Premium replacement knives for hydraulic guillotine shear blades, heavy-duty alligator shear blades, and stainless steel slitting lines. Built for burr-free, clean cutting.
Standard and custom punches, multi-V lower dies, gooseneck upper blades, and segments for accurate, consistent sheet metal bending.
High-precision ironworker punch and die sets, oblong cutting dies, and flat bar shear blades compatible with major global ironworker brands.
Shock-resistant rebar cutter blades (for GQ40/GQ50/TYC-D35A/H45S/RC-20) and heavy-duty rebar bending machine dies (for GW40/GW50) including center mandrels and rollers.
Multi-claw double shaft shredder blades, single-shaft rotor knives, wood chipper blade and plastic crusher blades optimized for high-impact waste recycling.
Who We ServeWe support metal service centers and fabricators, scrap recycling and waste processing operations, construction and rebar production facilities, tube and profile manufacturers, steel mills and rolling plants, and OEM machine builders. We focus on production environments where uptime, consistency, and cost efficiency matter.
Predictable Tool Life: Lower total cost per ton produced due to premium vacuum heat treatment.
Engineering Guidance: Data-driven material selection and custom CAD blueprint support instead of guesswork.
Fast Factory Quote: Direct manufacturing pricing and responsive technical support within 12 hours.
Guaranteed Export Logistics: Anti-rust oiled and film-wrapped tools packed in heavy-duty non-fumigation wooden cases for secure global shipping.
3 Practical Steps to Choose the Perfect Shear Blades for Your WorkshopIn metalworking workshops, shear blades work just like common scissors. The cutting performance can be seen directly from the first use. Properly selected blades deliver neat cuts with few burrs and less frequent replacements. If
/ READ MORE
Choosing the wrong double-shaft shredder blades leads to premature wear, frequent downtime, and catastrophic edge cracking. This ultimate buying guide from ALAS breaks down how to perfectly match blade materials (such as SKD-11, Cr12MoV, and H13) with your specific input waste (metals, hard plastics, municipal waste, or rubber). Learn how to optimize blade thickness, claw configurations (2/3 claws vs. 6/8 claws), and modular installation structures to maximize your equipment torque, lower energy consumption, and extend blade service life by up to 200 hours
/ READ MORE
Maximizing Efficiency: A Rebar Cutting Machine Blade Working CaseOn any heavy-duty construction site or steel processing shop, downtime is your worst enemy. You cut rebar day in and day out – high-strength deformed bars – and if the blade can’t keep up, you’re losing money fast.This case looks at wh
/ READ MORE
Complete Guide: Swing Beam & Guillotine Shear Machine | Selection, MaintenanceHow to choose between manual, swing beam, and guillotine shears?Quick answer – three options, one clear choice:Manual shear – Cut thin, soft metal (≤2mm) , very low budget, very low volume, or off-grid / portable use. No p
/ READ MORE
Electric vs Hydraulic Rebar Cutters: Which Suits Your Construction Site?Rebar cutting is one of the most fundamental and essential procedures in steel processing. For rebar over 25 mm, especially HRB400E and higher-grade deformed rebar, site supervisors and procurement buyers often face a key choice
/ READ MORE
How to Choose a Manual Rebar CutterProfessional Guide (Including Ultimate Blade Selection)Manual rebar cutters have a simple structure, yet they are essential tools for electrical and plumbing work, rural building projects, light renovation and on-site emergency use. Choosing a low-quality unit will
/ READ MORE
How to Boost CNC Rebar Cutting Line Productivity by 20%Data Source: On-site production data collected before and after equipment upgrades at 3 precast beam yards and 2 professional rebar processing and distribution centers.Many plant managers view fully automatic CNC rebar cutting lines as nothing m
/ READ MORE
Ultimate Guide to Construction Steel Bar Processing Tools: Cutting, Bending, Straightening & ThreadingSteel bars form the core structural frame of all building works. Steel bar processing equipment turns raw coiled and straight rebars into standard structural parts for on-site installation. For cons
/ READ MORE
ALAS Rebar Cutting Blades: Maintenance & Replacement – 5 Practical Tips to Extend Service LifeAs the most wearable core part of both electric and hydraulic rebar cutters, rebar cutting blades dominate the overall operating cost of rebar processing. When counting blade replacement labor and productio
/ READ MORE
Metal Material Comparison ChartChinaU.SJapanGermanyGermanyFranceRussiaSwedenU.KGBASTMJISDINW-NrNFROCTSS14BS9CrSi-90CrSi51.2108-9XC2090-6CrW2Si--60WCrV71.25555WC206XB2C--Cr12MoV-SKD11X165CrMov121.2601-X12M2310-Cr12Mo1V1D2-X155Cr12Mo12-11.2379X160CrMoV12--BD4Cr5MoSiVlH13SKD61X40CrMoV5-11.2344X40CrMoV5
/ READ MORE
Privacy PolicyThank you for visiting our website. We are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, store and protect your information when you use our website and related services. By accessing or us
/ READ MORE
Return Policy Thank you for choosing our products. We aim to provide you with high-quality goods and satisfactory service. This Return Policy outlines the terms and conditions for returning products purchased from our store/website, including eligibility, process, and related requirements. Please re
/ READ MORE
The cutting conditions of alligator shear blades & Scrap Metal Shear Blades involve both high impact loads and wear resistance. The core material selection must balance high surface hardness, wear resistance, and core impact toughness to prevent chipping, breakage, or premature wear of the blades.a
/ READ MORE
Slitting Machine Blades. Slitter BladesCore Logic: Slitting Quality = Blade Material Matching + Machining Accuracy + Heat Treatment Process + Component Synergy, all four are indispensable.I. Core Material Matching: Precise Selection Based on Slitting MaterialChoosing the wrong material is the primar
/ READ MORE
This article introduces ALAS industrial shear blades, which use premium alloys such as H13, D2, and Cr12MoV with advanced vacuum heat treatment to achieve long-life metallurgy, balancing high hardness and toughness for continuous heavy-duty shearing. As an engineering-driven partner, ALAS provides customized blade geometry and material selection to help customers lower total cost of ownership, reduce machine load, improve product quality, and increase production efficiency. It also recommends different blade materials including 9CrSi, 6CrW2Si, Cr12MoV/D2, H13, HSS, and tungsten carbide for various working conditions, with clear application suggestions. The company supports OEM/ODM customization for major brands, offering direct factory pricing and strict quality control.
/ READ MORE
This article clarifies the key differences between shear blades and shearing machine blades, helping you select the ideal cutting edge for your production line. It covers machine matching, material selection including LD, D2, DC53, Cr12MoV, SKD‑11, and H13, edge angle recommendations, and hardness standards for different metal thicknesses. With a focus on precision, durability, and total cost of ownership (TCO), it provides professional guidance to improve cutting efficiency, extend blade life, reduce downtime, and optimize performance for guillotine shears, rotary shears, and scrap shearing equipment.
/ READ MORE
Industrial Shredder Blades Classification: Matching Knives to ApplicationIndustrial shredder blades are the core wear parts of waste crushing and recycling equipment. As essential shredder machine blades, they directly determine the machine’s processing capacity, power consumption and running stabil
/ READ MORE
Dull chipper blades don't just slow down your work; they increase fuel consumption and put unnecessary strain on your machine's engine. This comprehensive guide explores the best ways to sharpen wood chipper blades, covering professional grinding techniques, essential safety protocols, and the critical 30°-35° sharpening angle. Whether you are using a bench grinder or a professional sharpening machine, learn how to remove nicks, maintain blade balance, and achieve a razor-sharp edge that ensures clean, uniform wood chips every time. Stop wasting money on frequent replacements—master the art of blade maintenance today.
/ READ MORE
There is no optimal material for chipper blades. It is mainly closely related to the type of processed wood, equipment model, and actual working conditions. Tool steel/alloy steel, high-carbon high-chromium tool steel, and cemented carbide are the three mainstream materials in production. Different
/ READ MORE
Essential Guide for Small Plastic Recycling Enterprises: Cost-Efficient Matching from Shredder Selection to Blade MaterialIn the plastic recycling sector, equipment selection and wear part management directly dictate production capacity, operational costs and profit margins. Many small-scale recycle
/ READ MORE
1. Plastic Shredder Blade Material Selection GuideThe material of plastic shredder blades directly determines the shredding effect, service life, and equipment operating stability. Different types of plastics (hard and brittle materials / soft and tough materials / fiber-reinforced thick materials)
/ READ MORE
The Ultimate Guide to Press Brake Dies Material Selection: Best Steel for Press Brake Tooling to Extend LifespanIntroductionDie wear is the most prevalent and costly pain point in sheet metal bending operations, directly affecting the overall efficiency of sheet metal bending dies manufacturers and
/ READ MORE
The core of selecting a bending machine die is matching the bending process requirements, workpiece characteristics, and equipment parameters. This needs to be confirmed step-by-step to ensure bending accuracy, efficiency, and die life:Select the punch angle based on the bending angle and springback
/ READ MORE
Guillotine Blades: Ultimate Guide to Material Selection, Specification & Maintenance for Optimal Cutting PerformanceGuillotine blades are core consumable shear tools widely used in metalworking, printing, packaging and plastic manufacturing industries. Proper selection of blade materials, precise ed
/ READ MORE
How to Choose Suitable Metal Shear Blades for Different Types of MetalsChoosing suitable metal shear blades is a core prerequisite for ensuring smooth cutting sections, precise dimensions, and efficient operation of metal processing production lines. Whether cutting carbon steel, stainless steel, al
/ READ MORE
Top 10 Metal Shear Blades Manufacturers: The Ultimate Industrial Buyer's GuideSourcing dependable shear blade suppliers is never easy for metalworking businesses. Blade quality directly decides production speed, spare part spending and finished cut quality.We put together this global top 10 manufact
/ READ MORE
Selecting the right industrial guillotine blade material is critical to maximizing cutting precision and extending service life. This guide evaluates the performance of Quenched High-Speed Steel (HSS), Solid Carbide, and Alloy Tool Steels (D2, Cr12MoV) across various applications. Whether processing abrasive recycled cardboard, soft metals prone to adhesion, high-tensile stainless steel, or heat-sensitive plastic films, matching the specific material characteristics to the correct blade grade ensures cleaner cuts, reduces scrap, and lowers long-term operational costs.
/ READ MORE
The GQ series steel bar cutting machines are mainstream equipment in construction sites. Their blades must strictly match the machine model specifications; otherwise, faults such as weak shearing, material jamming, and blade chipping are likely to occur. Different models correspond to different maxi
/ READ MORE
Complete Selection Guide for Rebar Cutter Blades (Construction Efficiency Version | Full Material Specification: Cr12MoV / H13 / H13K Included)When you pick the right steel bar cutter blade material, you make an important choice for rebar cutting performance, cutting quality and overall production c
/ READ MORENanjing 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.




