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DIN 2080 Cold Work Tool Steel

CHEMICAL COMPOSITION (Typical Analysis in %)

C Si Mn P S Cr
2.00-2.35 0.10-0.60 0.20-0.60 0.030max 0.030max 11.00-13.00

Stocks HCHCR 2080 tool steel in India and abroad. 2080 Steel have 12% ledeburitic chromium tool steel with great wear resistance. Basically it is used as cutting tools for sheets up to 4 mm thickness, blanking dies for paper and plastics, trimming dies, shear cutting edges and rotational shear edges for sheet thicknesses up to 2 mm.


STEEL PROPERTIES

2080 Steel contains properties of High Carbon 2% and High chromium 12 % tool steel with high wear resistance ability. Its supply condition is typically annealed to easy machining and its prescribed hardness is 57-58 HRC after making the dies and tools.

APPLICATION

HCHCR 2080 tool steel is utilized in cold dies and tooling application which requires high degree (level) of accuracy in hardening and tempering. For example, dies drawing, forming cold rolls, blanking dies for paper and plastics, powder metal tooling and blanking & trimming dies, shear blades, ejector pins, cold die punches etc.


PHYSICAL PROPERTIES

Coefficient of Thermal Expansion at °C 10¯⁶ m / (m*K)
20-100 10.7
20-200 11.6
20-300 12.3
20-400 12.6
20-500 12.9
20-600 13.2
20-700 13.3
Thermal Conductivity at °C W / (m*K)
20 16.6
350 20.5
700 24.3

HEAT TREATMENT

Soft Annealing °C 810-850
Cooling Furnace
Hardness HB max. 250
Stress-relief Annealing °C approx. 670-720
Hardening °C 940-970 950-980
Quenching Oil Air (upto 30mm thickness)
Hardness after quenching HRC 64.5 64.5