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Metal Shearing Knives

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Nanjing, China
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Metal Shearing Knives: The Science of Precision Cutting

In high-volume metal fabrication, the quality of your metal shearing knives directly impacts your operational efficiency. A dull or inferior blade doesn't just produce poor edges; it increases the load on your hydraulic system and leads to costly downstream deburring.

Why Quality Shearing Knives Matter

In metal processing, your equipment’s accuracy and life depend on cutting tool quality. Good metal shearing knives give clean, smooth edges on all sheet metals. Our blades use high-quality tool steel for long wear, strong impact resistance, and peak production efficiency.

Custom Solutions for Your Needs

Every workshop has different requirements. We offer:

Standard replacement shearing knives
Custom blades made for your material thickness and machine specs

Choosing the right tool steel reduces blade regrinding and replacement, cutting your operational costs.

Don’t settle for poor cutting edges. High-quality, high-grade tool steel knives ensure long-term productivity and competitiveness.

Blade Material Details

9CrSi Alloy Tool Steel

Features: Hard, wear-resistant, balanced performance, cost-effective, widely used
Hardness: HRC 58-60 (after heat treatment)
Use for: Thin cold-rolled plate, galvanized plate, aluminum, copper; also plastic, leather

6CrW2Si Alloy Tool Steel

Features: Heat-resistant, harder/stronger than 9CrSi, better toughness
Hardness: HRC 60-62 (after heat treatment)
Use for: Hot shearing, light stainless steel, medium-strength steel

Cr12MoV / SKD11 Alloy Tool Steel

Features: Wear-resistant, easy to harden, small deformation, long life
Hardness: HRC 58-60 (after heat treatment)
Use for: Low-carbon steel (all thicknesses), Q235, aluminum, copper

H13 (4Cr5MoSiV1) Hot Work Die Steel

Features: High-temperature strength, tough, heat-resistant, no easy softening/deformation
Hardness: HRC 50-55 (after heat treatment)
Use for: Hot shearing strip steel/thick plate, cold shearing high-strength steel/stainless steel thick plate

D2 (American Standard)

Features: Very wear-resistant, easy to harden, anti-deformation, anti-chipping
Hardness: HRC 58-62 (after heat treatment)
Use for: Medium/low-hardness plates (Q195/Q235/45#/40Cr), aluminum/copper; plastic/rubber/paper

LD (7Cr7Mo2V2Si) Cold Work Die Steel

Features: High strength, tough, wear-resistant, anti-chipping
Hardness: HRC 58-62 (after heat treatment)
Use for: High-strength steel, thick plate, stainless steel; large hydraulic/CNC shearing machines

Powder Metallurgy Steel (e.g., ASP23, ASP60)

Features: Ultra-wear-resistant, anti-chipping, uniform structure, high precision
Hardness: HRC 62-65+
Use for: High-end precision shearing, high-wear/long-life needs

Blade Material Selection Guide

Ordinary carbon steel (Q195, Q235): Choose 9CrSi or Cr12MoV (cost-effective)
Medium/low-hardness steel/aluminum/copper (45# steel, 40Cr, etc.): Choose SKD11 or D2 (wear-resistant, long life)
Light stainless steel/medium-strength steel: Choose SKD11 or D2 (stable performance)
Stainless steel thick plate/high-strength steel: Choose H13 or LD (strong, tough)
Hot shearing (strip steel/thick plate): Choose H13 or H13K (heat-resistant)
High-end precision/high-frequency shearing: Choose powder metallurgy steel (ASP23/ASP60)

Important Notes

Harder is not better: Balance hardness and toughness (too hard = easy chipping; too soft = easy dulling)
Heat treatment matters: Good materials need professional heat treatment to work well
Sticky materials (stainless steel, aluminum, copper): Choose Cr12MoV or SKD11 to prevent sticking/chipping

Metal Shearing Knives technical specifications

NO.	Product Name	Specification Dimensions (length x width x height/thickness) ）	Material	Remarks
1	Metal Shearing Knives size	508x70X22	55CrSi， 9crsi，6crw2si ，cr12mov， H13	Customization services are available; we can manufacture according to your drawings, with a minimum order quantity of 1 piece.
2		508x80x25
3		1025x63x16
4		1025x80x20
5		1025x100x25mm
6		1100x64x16
7		1100x80x20mm
8		1100x100x25
9		1300x63x16
10		1300x63x18
11		1300x80x20
12		1300x80x25mm
13		1300x100x25
14		1300x100x30
15	Manual sheet metal shear blades szie	1703010
16		2053010
17		3503010

ALAS blades are typically made from materials such as 9CrSi, 6CrW2Si, Cr12MoV, H13, H13K, and LD. The blades have a rectangular cross-section and a hardness of HRC50 to 62. They provide high-precision, burr-free cutting surfaces. Customization according to drawings is available.

Common Material Overview of Metal Shearing Knives

The following table summarizes the type, core characteristics and main applicable shearing materials of common blade materials:

Blade Material	Material Type	Characteristics	Main Shearing Materials
9CrSi	Alloy Tool Steel	High hardness, high wear resistance, small quenching deformation, high cost performance	Thin cold-rolled plate, galvanized plate, aluminum plate, copper plate; non-metallic materials such as plastic and leather
6CrW2Si	Alloy Tool Steel	Contains tungsten element, excellent red hardness and wear resistance	Hot shearing operations materials, light stainless steel, medium strength steel
Cr12MoV/SKD-11	High Carbon High Chromium Steel	Excellent wear resistance and hardenability	Stainless steel, silicon steel, high strength steel, low carbon steel of various thicknesses, Q235, aluminum plate, copper plate
H13 (4Cr5MoSiV1)	Hot Work Die Steel	Excellent high temperature strength and thermal fatigue resistance	Hot-sheared hot rolled plate, iron plate, medium and thick plate, scrap metal, hot-sheared strip steel, cold-sheared high strength alloy steel, stainless steel thick plate
Cr12Mo1V1/ D2	High Carbon High Chromium Steel	High strength, good wear resistance, excellent chipping resistance	Stainless steel, high strength steel, silicon steel, medium and low hardness plates (Q195/Q235/45# steel / 40Cr, etc.), aluminum / copper / brass / red copper plate; non-metallic materials such as plastic / rubber / paper / fiberboard, composite materials
LD (7Cr7Mo2V2Si)	Cold Work Die Steel	High strength, good toughness, wear resistance and chipping resistance, excellent comprehensive performance	High strength steel, stainless steel, thick plate and hard-to-shear metal materials (for large hydraulic shearing machines, heavy CNC shearing machines)
Powder Metallurgy Steel	High-end Alloy Tool Steel	Ultra-high hardness, extremely long service life	High-end composite plate, wear-resistant steel, high-end precision shearing metal materials (for high wear resistance and long service life requirements)

Blade Metal Materials International Grade Corresponding Table

China (GB)	USA(ASTM)	Japan (JIS)	Germany (DIN)	Germany (W-Nr)	France (NF)	Russia (ROCT)	U.K (BS)
9CrSi	-	-	90CrSi5	1.2108	-	9XC	-
6CrW2Si	-	-	60WCrV7	1.255	55WC20	6XB2C	-
Cr12MOV	-	SKD11	X165CrMov12	1.2601	-	X12M	-
Cr12Mo1V1	D2	-	X155Cr12Mo12	1.2379	X160CrMoV12	-	BD
4Cr5MoSiVI	H13	SKD61	X40CrMoV5-1	1.2344	X40CrMoV5	4X5MO1C	BH13
LD	-	-	-	-	-	-	-
W18Cr4V	T1	SKH2	S18-0-1	1.3355	HS18-0-1	P18	BT1
W6Mo5Cr4V2	M2	SKH9	S6-5-2	1.3343	-	P6M5	BM2
45	1450	S45C	C45E	1.1191	C45E	45	C40E
42CrMo	4140	SCM44O	42CrMo4	1.7225	42CD4	-	708M40