Tool and Die Steel W1 Bars

Garg Steels, based in Chennai, India, stands out as a leading manufacturer and supplier of Tool and Die Steel W1 Bars, celebrated for their remarkable hardness and wear resistance. With a focus on high-performance tool steels, Garg Steels provides W1 grade bars that are essential for tool-making and precision machining tasks. These bars are crafted from top-quality raw materials and cutting-edge techniques to guarantee uniformity, strength, and precise dimensions. Known for their quality, reliability, and timely delivery, Garg Steels serves various industries, including automotive, aerospace, engineering, and manufacturing, offering dependable solutions for challenging tooling needs.

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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?

The Tool and Die Steel W1 Bars from Garg Steels are high-carbon, water-hardening steels, primarily made up of carbon (0.90–1.05%), manganese (0.10–0.40%), silicon (0.15–0.35%), along with small amounts of chromium and vanadium. These bars are known for their outstanding hardness, edge retention, and machinability. Their mechanical properties boast tensile strength reaching up to 850 MPa, impressive surface hardness post-heat treatment, and solid dimensional stability. W1 steel is highly responsive to hardening and tempering, making it ideal for precision tools and components that demand high wear resistance and toughness.

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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

Garg Steels’ Tool and Die Steel W1 Bars are widely utilized in applications that require high hardness, exceptional edge retention, and precision machining. They are commonly found in drill bits, cutting tools, punches, dies, reamers, taps, and chisels. In the automotive and aerospace industries, W1 bars are crucial for creating wear-resistant tooling components and gauges. Additionally, they are extensively used in metal stamping, woodworking tools, and craft tools where strength and sharpness are vital. Thanks to their ability to maintain a fine edge and resist deformation, W1 bars are a preferred choice in toolrooms and workshops for both industrial and custom toolmaking projects.

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