Tool and Die Steel W1 Bars

Starc Metals is a reliable manufacturer and supplier of Tool and Die Steel W1 Bars, proudly based in Canberra, Australia. Renowned for its dedication to excellence and precision engineering, Starc Metals offers top-notch W1 tool steel bars tailored to meet the varied demands of industries nationwide. With state-of-the-art production facilities and rigorous quality control measures, the company guarantees exceptional consistency, durability, and performance in every single batch. Catering to sectors like manufacturing, tooling, and engineering, Starc Metals delivers trustworthy solutions that boost productivity and prolong the life of industrial tools and dies.

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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 are high-carbon, water-hardening tool steels celebrated for their remarkable hardness, strength, and edge retention. Their typical composition features Carbon (0.70–1.50%), Manganese (0.10–0.40%), Silicon (0.10–0.40%), along with trace amounts of Chromium and Vanadium. These elements work together to provide excellent wear resistance and machinability. After proper heat treatment, W1 steel can achieve hardness levels ranging from 50 to 65 HRC. It boasts a fine grain structure, good dimensional stability, and outstanding cutting performance, making it perfect for tools that need sharp edges and precise shaping at moderate temperatures.

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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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Frequently Asked Questions (FAQ)

Are Tool and Die Steel W1 Bars Environmentally Friendly?

Tool and Die Steel W1 bars are recyclable, reducing environmental impact. However, their production involves energy-intensive processes. Sustainable practices can enhance their eco-friendliness, such as using recycled materials and cleaner manufacturing methods.

How Do Tool and Die Steel W1 Bars Resist Corrosion?

Tool and Die Steel W1 bars are not highly resistant to corrosion, as they are high-carbon steels. They can rust when exposed to moisture, requiring proper maintenance, such as coating or regular oiling, to prevent corrosion.

Can Tool and Die Steel W1 Bars Be Used For Structural Applications?

Tool and Die Steel W1 bars are not ideal for structural applications due to their high carbon content, which makes them brittle and less ductile. They are better suited for tools, dies, and cutting applications where hardness and wear resistance are crucial. For structural applications, steels with better toughness and strength, like carbon or alloy steels, are preferred.

Tool and Die Steel W1 Bars Uses

Tool and Die Steel W1 Bars find extensive use in manufacturing and tooling applications that require superior hardness and cutting capabilities. They are commonly used for knives, chisels, reamers, taps, drill bits, punches, and woodworking tools. Additionally, they serve in gauges, dies, and cutting instruments where wear resistance and edge retention are vital. The water-hardening property of W1 allows for straightforward heat treatment and quick quenching, making it ideal for custom toolmaking and repair tasks. Its blend of hardness, machinability, and cost-effectiveness makes W1 bars a popular choice for both industrial and workshop applications.

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