Tool and Die Steel W1 Bars

Sadiki Metals, located in Kinshasa, Congo, stands out as a top manufacturer and supplier of high-quality Tool and Die Steel W1 Bars. The company has built a reputation for providing steel products that not only meet but exceed international standards, ensuring remarkable hardness, toughness, and durability. With state-of-the-art production facilities and a strong focus on quality, Sadiki Metals delivers dependable steel solutions for various industrial and tooling needs. Their W1 Bars are highly regarded by toolmakers and engineers alike for their reliable performance, precision, and strength, making them a go-to choice across different metalworking and manufacturing sectors.

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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 made up of a mix of carbon (0.70–1.05%), manganese (0.10–0.40%), silicon (0.10–0.40%), along with some trace elements like vanadium and chromium. This well-balanced blend gives them impressive hardness, excellent edge retention, and remarkable wear resistance. With a tensile strength hovering around 700–850 MPa and a Rockwell hardness that can reach up to 66 HRC after heat treatment, W1 Bars deliver exceptional mechanical performance. Their fine-grained structure not only ensures toughness and machinability but also promotes uniformity, making them ideal for rigorous toolmaking and precision engineering tasks.

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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 are a staple in industries that demand robust, durable, and wear-resistant tools. These versatile bars are perfect for crafting cutting tools, punches, dies, chisels, reamers, and shear blades. Their exceptional machinability and hardness make them ideal for precision instruments, hand tools, and gauges. W1 Bars are also a go-to choice for cold-working and forming operations where edge retention and toughness are paramount. You’ll find these bars in toolrooms and workshops, where they play a vital role in shaping, cutting, and forming both ferrous and nonferrous materials with unparalleled accuracy and reliability.

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