Tool and Die Steel D2 Bars

Starc Metals stands out as a leading manufacturer and supplier of Tool and Die Steel D2 Bars, proudly based in Canberra, Australia. Known for their top-notch products and dependable service, Starc Metals offers D2 steel bars that adhere to international standards for precision, strength, and durability. With state-of-the-art manufacturing facilities and a talented workforce, the company guarantees consistent quality and performance in every item they produce. Catering to sectors like automotive, aerospace, and heavy engineering, Starc Metals provides robust and cost-effective solutions for tooling, die-making, and various industrial applications, helping clients boost productivity and extend tool life throughout Australia and beyond.

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D2 Tool Steel Round Bar

Die Steel D2 Rods

D2 Tool and Die Steel Bar

What is Tool and Die Steel D2 Bars?

Tool and Die Steel D2 Bars are high-carbon, high-chromium cold-work tool steels celebrated for their outstanding wear resistance, hardness, and dimensional stability. Their typical composition features Carbon (1.50–1.60%), Chromium (11–13%), Molybdenum (0.70–1.20%), Vanadium (0.80–1.10%), and Manganese (0.30–0.50%). D2 steel boasts hardness levels ranging from 55 to 62 HRC, along with excellent toughness, high compressive strength, and abrasion resistance. This unique blend of properties allows it to maintain sharp edges and precise tolerances even under heavy-duty conditions, making it one of the most trusted cold-work tool steels on the market.

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Tool and Die Steel D2 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 D2 Bars

ASTM A681	C		Mn		P	S	Si		Cr		V		Mo
D2	1.4	1.6	0.1	0.6	0.03	0.03	0.1	0.6	11	13	0.5	1.1	0.7	1.2
DIN ISO 4957	C		Mn		P	S	Si		Cr		V		Mo
1.2379/X153CrMo12	1.45	1.6	0.2	0.6	0.03	0.03	0.15	1.6	11	13	0.7	1	0.7	1
JIS G4404	C		Mn		P	S	Si		Cr		V		Mo
SKD11	1.4	1.6		0.6	0.03	0.03		0.4	11	13	0.2	0.5	0.8	1.2

Mechanical Properties of Tool and Die Steel D2 Bars

Mechanical Properties	Metric	Imperial
Hardness, Knoop (converted from Rockwell C hardness)	769	769
Hardness, Rockwell C	62	62
Hardness, Vickers	748	748
Izod impact unnotched	77.0 J	56.8 ft-lb
Poisson’s ratio	0.27-0.30	0.27-0.30
Elastic modulus	190-210 GPa	27557-30457 ksi

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Equivalent Grades of Tool and Die Steel D2 Bars

Country	USA	German	Japan
Standard	ASTM A681	DIN EN ISO 4957	JIS G4404
Grades	D2	1.2379/X153CrMo12	SKD11

Thermal Properties of Tool and Die Steel D2 Bars

Properties		Conditions
Properties		T (°C)	Treatment
Thermal expansion	10.4 x 10^-6/ºC	20-100	–

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Tool and Die Steel D2 Bars Types

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Frequently Asked Questions (FAQ)

Can Tool and Die Steel D2 Bars Be Welded?

Tool and Die Steel D2 Bars can be welded, but it's challenging due to their high carbon content. Preheating, post-weld heat treatment, and using specific filler materials are essential.

Is Tool And Die Steel D2 Bars Corrosion-resistant?

Tool and Die Steel D2 Bars are semi-corrosion-resistant due to high chromium content (12%). While not fully stainless, they offer moderate resistance to rust in less aggressive environments.

How Should Tool and Die Steel D2 Bars Be Stored?

Tool and Die Steel D2 Bars should be stored in a dry, ventilated area to prevent moisture exposure. Use protective coatings like oil or rust inhibitors to minimize corrosion risk.

Tool and Die Steel D2 Bars Uses

Tool and Die Steel D2 Bars find extensive use in industries that demand high wear resistance and precision. They are commonly used for blanking and punching dies, cutting tools, shear blades, forming dies, and industrial knives. Additionally, they play a crucial role in stamping, extrusion, and other cold-work operations where durability and dimensional stability are essential. The hardness and resistance to deformation of D2 steel make it perfect for tools that face repetitive stress, abrasion, and impact. Its ability to keep sharp edges under high-pressure conditions ensures a longer service life, enhanced efficiency, and lower maintenance costs in challenging manufacturing environments.

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