Tool and Die Steel W1 Bars

Sahil Metals is a well-respected manufacturer and supplier based in Riyadh, Saudi Arabia, specializing in high-quality Tool and Die Steel W1 Bars that are crafted for exceptional performance and durability. W1 tool steel, recognized as a water-hardening grade, is highly sought after for its high carbon content, outstanding machinability, and its ability to reach impressive hardness levels through water quenching. At Sahil Metals, we take pride in ensuring that each W1 Bar is made with precision, providing excellent toughness, wear resistance, and edge retention. These bars are perfect for tool-making, cutting instruments, and precision components, catering to industries like automotive, engineering, and general manufacturing.

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W1 Tool Steel Round Bar

Die Steel W1 Rods

W1 Tool and Die Steel Bar

What is Tool and Die Steel W1 Bars?

Tool and Die Steel W1 Bars generally consist of 0.7–1.5% carbon, along with manganese, silicon, and trace elements. This specific composition allows them to achieve high hardness levels when quenched in water, typically ranging from 55–65 HRC, depending on the treatment. W1 steel is known for its good wear resistance, impressive edge retention, and moderate toughness. It offers excellent machinability in its annealed state and responds well to heat treatment for increased hardness. However, when compared to alloyed tool steels, its toughness is somewhat lower, making it more suitable for applications where high hardness and sharp edges are essential.

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Tool and Die Steel W1 Bars Specifications

Standard : ASTM A681, ASME SA681
Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
Form : Round
Diameter : 10 mm ~ 900 mm
Size : 0.08 mm to 25.00 mm
Diameter Range : 0.040 mm – 12 mm (0.0016” – 0.4724”)
Application : Lathe Tools, Milling Cutter, Cutter Blades, Boring Tools, Twist drills, Milling Knives, Reamers, Taps, Metalcutting saws, Screw Cutting Tools, File Cutter’s Chissels, Drills, Hobs, Drill Bits, Tread cutting tools etc

Chemical Compositions of Tool and Die Steel W1 Bars

Element	Content (%)
C	0.70-1.50
Mn	0.10-0.40
Si	0.10-0.40
Cr	0.15
Ni	0.2
Mo	0.1
W	0.15
V	0.1
Cu	0.2
P	0.025
S	0.025

Mechanical Properties of Tool and Die Steel W1 Bars

Properties	Metric	Imperial
Tensile strength, ultimate	1680 MPa	244000 psi
Tensile strength, yield	1500 MPa	218000 psi
Poisson’s ratio (25°C)	0.27-0.30	0.27-0.30
Elongation at break	3.50%	3.50%
Bulk modulus	140 GPa	20300 ksi
Shear modulus	80.0 GPa	11600 ksi
Elastic modulus	190-210 GPa	27557-30458 ksi
Charpy impact, unnotched	86.0 J	63.4 ft-lb
Hardness, Brinell (converted from Rockwell C Hardness)	498	498
Hardness, Knoop (converted from Rockwell C Hardness)	558	558
Hardness, Rockwell C	50.0-51.0	50.0-51.0
Hardness, Vickers (converted from Rockwell C Hardness)	531	531
Machinability (based on AISI 1212 steel as 100% machinability)	40	40

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Physical Properties of Tool and Die Steel W1 Bars

Properties	Metric	Imperial
Density	7.83 g/cm³	0.283 lb/in³
Melting point	1435°C	2615°F

Thermal Properties of Tool and Die Steel W1 Bars

Properties		Conditions
Properties		T (ºC)	Treatment
Thermal expansion	10.4 x 10^-6/ºC	20-100	–
Thermal conductivity	48.3 x W/mK	100	–

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Tool and Die Steel W1 Bars Types

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Tool and Die Steel W1 Bars Uses

Tool and Die Steel W1 Bars are widely utilized in the tool-making industry for tasks that demand sharp edges and high hardness. They are perfect for crafting cutting tools, chisels, knives, punches, drills, and taps. In manufacturing, they find use in gauges, dies, and small tools that require precision and wear resistance. Their capability to achieve a sharp cutting edge makes them a favorite in both woodworking and metalworking sectors. While they may not be the best choice for heavy impact applications, W1 Bars offer an economical and effective solution for general-purpose tooling and fine-edge instruments.

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