1.6773
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MATERIAL TECHINCAL SPECIFICATION - W-Nr 1.6773
MATERIAL CATEGORY: hardened and tempered steel 
AVAILABLE STOCK - Round bar Diam. 55 / 60 / 100 / 130mm
MATERIAL SPECIFICATIONS DIN EN 10083-3 (2006), DIN 17200 (1987) 
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.32 ~ 0.39
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 0.50  ~ 0.80
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): 1.60 ~ 2.00
Molybdenum, Mo (％): 0.25 ~ 0.45
Nickel, Ni (％): 3.60 ~ 4.10
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃:  1050～850
Heat treatment temperature /℃| annealing:  650～700
Heat treatment temperature /℃| Normalizing:  850～880
Heat treatment temperature /℃| Quenching:    830~850oil
Heat treatment temperature /℃| Tempering :  450~650
Hardness after annealing ≤HBS:    269
Steel dimension /mm:   101 - 160
Tensile strength, Rm ≥ MPa:  1130 ~ 1320
Yield strength, Rp0.2 ≥ MPa:  865
Elongation, A5 ≥ (%):  8.0
Reduction of area, Z ≥ (%):  45
Impact strength, |AKV ≥/J:  30
TECHNICAL SALES ASSISTANCE
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