Tool and Die Steel D2 Bars

Tariku Metals has made a name for itself as a leading manufacturer and supplier of Tool and Die Steel D2 Bars in Addis Ababa, Ethiopia. They serve a diverse range of clients in the automotive, fabrication, tooling, and heavy engineering sectors. The company is dedicated to providing high-performance steel bars that boast exceptional durability and precision, all while adhering to global quality standards. Thanks to their cutting-edge production technology, rigorous testing protocols, and a talented technical team, Tariku Metals guarantees consistent product quality and customer satisfaction. Their D2 bars are especially favored for cold working operations due to their impressive hardness and outstanding wear resistance, making them a trusted choice for industries that rely on long-lasting tool steels.

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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 crafted from high-carbon, high-chromium alloy steels, typically featuring 1.5–1.6% carbon and 11–13% chromium. The addition of small amounts of vanadium, manganese, and molybdenum boosts toughness and hardenability. D2 steel is known for its excellent wear resistance, high compressive strength, and remarkable edge retention. It can be hardened to a range of 55–62 HRC while maintaining dimensional stability during heat treatment. Additionally, its high chromium content provides moderate corrosion resistance. These mechanical properties make D2 bars perfect for heavy-duty cutting, punching, forming, and shearing tasks in industrial settings.

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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 are extensively utilized in cold work tooling applications where high hardness, abrasion resistance, and strength are crucial. They are commonly used to manufacture industrial cutting tools, stamping dies, thread rolling dies, blanking tools, shear blades, and punches. In the metalworking and fabrication industries, D2 bars are the go-to choice for forming dies, woodworking cutters, and trimming tools, as they can endure repeated stress and friction without significant wear. Their ability to maintain sharp edges and structural integrity makes them indispensable in various industrial applications.

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