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A2 Cold Work Tool Steel

CHEMICAL COMPOSITION (Typical Analysis in %)

C Si Mn P S Cr Mo V
0.95-1.05 0.10-0.40 0.40-0.80 0.030max 0.030max 4.80-5.50 0.90-1.20 0.15-0.35

stocks A2 Steel in India and abroad. A2 Steel has greater dimensional stability during heat treatment and high wear resistance and strength (potency). It is primarily utilized in cutting instruments, shear razor sharp edges, rolls, cold pilger mandrels, cold stamping devices, moulds for plastics handling.


STEEL PROPERTIES

A2 Steel is equivalent of DIN 2363 and it provides extreme hardness after heat treatment with great dimensional stability. It is heat treatable and offers hardness in the range of 53-63 HRC.

APPLICATION

A2 Steel is mainly used for cutting tools, shear blades, rolls, cold mandrels, moulds for plastics processing, cold stamping tools, blanking tools, trim dies, punch dies, forming dies, stamping dies etc.


PHYSICAL PROPERTIES

Thermal Conductivity at °C W / (m*K)
20 15.9
350 26.8
700 29.2

HEAT TREATMENT

Soft Annealing °C 810-850
Cooling Furnace
Hardness HB max. 232
Stress-relief Annealing °C approx. 650
Hardening °C 930-970
Quenching Air, Oil, Salt Bath 500-550°C
Hardness after quenching HRC 63

 

Tempering°C after quenching 100 200 300 400 500 600
HRC 64 63 60 58 59 53