Tool and Die Steel A2 Bars

Garg Steels, a well-respected manufacturer and supplier located in Chennai, India, specializes in high-quality Tool and Die Steel A2 Bars that are crafted for outstanding toughness, dimensional stability, and wear resistance. These bars are produced to meet international quality standards and are known as air-hardening cold work steel, offering a great balance of strength and machinability. Garg Steels provides A2 Bars in a variety of sizes and finishes, tailored to meet the diverse needs of various industries. With a solid reputation among clients in the automotive, aerospace, and tooling sectors, Garg Steels guarantees consistent performance and reliability in every A2 steel product they deliver.

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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?

Tool and Die Steel A2 Bars generally contain 1.0% carbon, 5.0% chromium, 1.0% molybdenum, along with trace amounts of manganese and vanadium. This specific composition results in exceptional wear resistance, impressive toughness, and air-hardening capabilities. After proper heat treatment, A2 bars can reach a hardness of up to 62 HRC and maintain good dimensional stability, making them perfect for close-tolerance applications. They also provide moderate corrosion resistance and decent machinability. Garg Steels ensures that their A2 Bars meet stringent mechanical property standards for optimal performance in tooling and precision tasks.

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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

Tool and Die Steel A2 Bars are extensively utilized in scenarios that demand high wear resistance and moderate toughness. They are particularly suited for cold work tooling applications, including blanking and forming dies, punches, trimming tools, and thread rolling dies. The automotive and aerospace sectors rely on A2 steel for components that require precise dimensions and durability. Its stability during heat treatment makes it an excellent choice for precision gauges and fixtures. Additionally, A2 Bars from Garg Steels are used in woodworking knives and industrial cutting tools, providing long tool life and reliable performance, making them a top choice for challenging industrial tooling needs.

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