Tool and Die Steel W1 Bars

Dhruv Metals stands out as a top-notch manufacturer and supplier of high-quality Tool and Die Steel W1 Bars, proudly based in Hyderabad, India. With years of experience under our belt and a strong focus on precision engineering, we provide reliable steel solutions that cater to both industrial and tool-making needs. Our W1 steel bars are crafted to meet international standards, guaranteeing exceptional performance, durability, and machinability. Industries across India trust us for our prompt delivery, competitive pricing, and outstanding customer service. Whether you need materials for large-scale production or custom specifications, Dhruv Metals is your go-to source for premium W1 Tool and Die Steel Bars.

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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 steels that typically contain around 0.90–1.00% carbon, along with small amounts of manganese (0.10–0.40%), silicon (0.10–0.40%), and trace elements like sulfur and phosphorus. These bars are known for their impressive hardness (up to 66 HRC when fully hardened), good wear resistance, and moderate toughness. The tensile strength usually falls between 750–900 MPa. W1 steel is easy to machine in its annealed state and responds well to heat treatment, making it perfect for precision tooling applications that require high surface hardness and dimensional stability.

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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 their place in a wide range of industrial and manufacturing applications that demand high hardness and wear resistance. They’re commonly used to create cutting tools, punches, dies, shear blades, reamers, drill bits, and engraving tools. Thanks to its ability to maintain a sharp edge and endure significant wear, W1 is a favorite for applications involving repetitive motion and high-impact forces. It’s also utilized in woodworking tools and small precision parts. Ideal for both commercial and specialized tool-making, W1 steel provides a cost-effective solution for tools that face moderate shock and high abrasion.

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