Tool and Die Steel A2 Bars

Tariku Metals, located in Addis Ababa, Ethiopia, stands out as a top-notch manufacturer and supplier of high-quality Tool and Die Steel A2 Bars. Known for their precision, durability, and performance, Tariku Metals crafts steel products that meet international standards and cater to industrial needs. Their A2 Bars are made using cutting-edge metallurgical techniques, guaranteeing exceptional toughness, wear resistance, and dimensional stability. Professionals in manufacturing, engineering, and tooling trust Tariku Metals for reliable steel solutions that deliver long-lasting performance in demanding applications like dies, molds, and cutting tools.

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Die Steel A2 Rods

A2 Tool Steel Round Bar

A2 Tool and Die Steel Bar

What is Tool and Die Steel A2 Bars?

The Tool and Die Steel A2 Bars from Tariku Metals are air-hardening, medium-alloy cold work tool steels, featuring a composition of carbon (0.95–1.05%), chromium (4.75–5.50%), molybdenum (0.9–1.4%), and manganese (1.0%). This well-balanced mix provides outstanding toughness, wear resistance, and dimensional stability during heat treatment. A2 steel achieves a hardness range of 57–62 HRC, boasting impressive compressive strength and machinability. It strikes a perfect balance between high impact resistance and good edge retention, making it ideal for precision tools that demand strength, stability, and consistent performance in tough working conditions.

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Tool and Die Steel A2 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 A2 Bars

ASTM A681	C		Mn		P	S	Si		Cr		V		Mo
A2/T30102	0.95	1.05	0.40	1.00	0.03	0.03	0.10	0.50	4.75	5.50	0.15	0.50	0.90	1.40
DIN ISO 4957	C		Mn		P	S	Si		Cr		V		Mo
1.2363/X100CrMoV5	0.95	1.05	0.40	0.80	0.03	0.03	0.10	0.40	4.80	5.50	0.15	0.35	0.90	1.20
JIS G4404	C		Mn		P	S	Si		Cr		V		Mo
SKD12	0.95	1.05	0.40	0.80	0.03	0.03	0.10	0.40	4.80	5.50	0.15	0.35	0.90	1.20
BS 4659	C		Mn		P	S	Si		Cr		V		Mo
BA2	0.95	1.05	0.30	0.70	0.035	0.035	. . .	0.40	4.75	5.25	0.15	0.40	0.90	1.10

Mechanical Properties of Tool and Die Steel A2 Bars

Properties	Metric	Imperial
Hardness, Rockwell C (as air-hardened (63-65 HRC average), 60-62 HRC at 205°C, 59-61 HRC at 260°C, 58-60 HRC at 315°C, 57-59 HRC at 370°C and 425°C and 480°C, 56-58 HRC at 540°C, 50-52 HRC at 595°C, 42-44 HRC at 650°C)	64	64
Bulk modulus (typical for steels)	140 GPa	20300 ksi
Machinability (based on carbon tool steel)	65%	65%
Shear modulus	78.0 GPa	11300 ksi
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 A2 Bars

Country	USA	German	Japan	British
Standard	ASTM A681	DIN EN ISO 4957	JIS G4404	BS 4659
Grades	A2/T30102	1.2363/X100CrMoV5	SKD12	BA2

Thermal Properties of Tool and Die Steel A2 Bars

Properties		Conditions
Properties		T (°C)	Treatment
Thermal expansion	10.7 x 10^-6/ºC	20-100	–

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Tool and Die Steel A2 Bars Types

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Frequently Asked Questions (FAQ)

What Is The Standard Annealing Temperature For Tool and Die Steel A2 Bars?

The standard annealing temperature for A2 tool and die steel bars is typically between 800°C to 850°C (1472°F to 1562°F), followed by slow cooling to relieve internal stresses and soften the material.

How Do Tool and Die Steel A2 Bars Resist Corrosion?

A2 tool and die steel bars resist corrosion through their high chromium content, forming a protective oxide layer that enhances resistance to rust and wear, especially in cold-work applications.

How Should Tool and Die Steel A2 Bars Be Stored?

Tool and die steel A2 bars should be stored in a dry, cool environment, away from moisture and corrosive elements. Ensure proper ventilation and avoid direct contact with the ground to prevent rust.

Tool and Die Steel A2 Bars Uses

Tariku Metals’ Tool and Die Steel A2 Bars find extensive use across various industries for applications that require toughness and wear resistance. They are perfect for crafting punches, dies, shear blades, forming tools, and gauges. A2 Bars are also frequently utilized in blanking and trimming dies, thread rolling dies, and injection molds. Their ability to retain hardness and dimensional accuracy after heat treatment makes them a great fit for cold work applications. With an excellent balance of machinability and durability, Tariku Metals’ A2 Bars offer long-lasting, high-performance solutions for precision tooling and industrial manufacturing.

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