Tool and Die Steel A2 Bars

Al Summan Metals, a leading manufacturer and supplier based in Dubai, UAE, is renowned for its high-quality Tool and Die Steel A2 Bars, engineered for exceptional toughness and dimensional stability. These bars are air-hardening tool steels that achieve an ideal balance between wear resistance and machinability, making them well-suited for a wide range of industrial applications. Al Summan Metals prides itself on guaranteeing that every A2 Bar meets rigorous international quality standards through careful engineering and advanced production techniques. The Tool and Die Steel A2 Bars from Al Summan Metals deliver outstanding performance, durability, and reliability, whether used in cold or moderate heat-working environments.

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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 A2 Tool and Die Steel Bars are made up of carbon, chromium, molybdenum, and manganese, which combine to deliver exceptional toughness and resistance to wear. Once heat treated, the steel keeps solid dimensional stability and features high compressive strength. From a mechanical standpoint, A2 Bars provide a balanced combination of hardness and toughness, along with notable resistance to chipping and cracking. Their air-hardening property minimizes distortion throughout the hardening process, guaranteeing accurate and steady performance in tooling applications.

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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 Cutters, Cutting Blades, Boring Tools, Twist Drills, Milling Knives, Reamers, Taps, Metalcutting Saws, Screw Cutting Tools, File Cutter’s Chisels, Drills, Hobs, Drill Bits, Thread 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 typical annealing temperature for A2 tool and die steel bars generally ranges from 800°C to 850°C (1472°F to 1562°F), after which the material is cooled slowly to ease internal stresses and soften it.

How Do Tool and Die Steel A2 Bars Resist Corrosion?

A2 tool and die steel bars withstand corrosion thanks to their elevated chromium content, which creates a protective oxide layer that boosts resistance to rust and wear, particularly in cold-work applications.

How Should Tool and Die Steel A2 Bars Be Stored?

A2 tool and die steel bars ought to be kept in a cool, dry space, protected from moisture and corrosive substances. Provide adequate ventilation and keep them off direct contact with the ground to avoid rust.

Tool and Die Steel A2 Bars Uses

These A2 Bars find widespread use in manufacturing dies, punches, forming tools, shear blades, and gauges. Thanks to their excellent wear resistance and dimensional stability, they are ideally suited for precision cold-working operations. Frequently seen across the automotive, aerospace, and general engineering industries, these bars play a vital role in applications requiring durability and dependable performance. What’s more, Tool and Die Steel A2 Bars are preferred for tools subjected to moderate heat and impact, ensuring lasting efficiency and reliability in demanding production settings.

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