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Chemical Composition (in weight %) of 1.7765

C Si Mn Cr Mo Ni V W Others
0.32 max. 0.35 max. 0.60 3.00 1.00 - 0.30 - -

Alloyed carbon steel.

Component parts for automobile industry where high toughness is required, for bolts, screws, crankshafts, etc.

Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210 
Density [g/cm3]: 7.82

Soft Annealing of 1.7765
Heat to approx. 720oC, cool slowly. This will produce a maximum Brinell hardness of 224.

Hardening of 1.7765
Harden from a temperature of 850-890oC followed by oil quenching.

Tempering of 1.7765
Tempering temperature: 620-640oC.

Forging of 1.7765
Hot forming temperature: 1100-850oC.