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1.7377

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GS-17CrMo9 10 GS-12CrMo9 10
#1.7377

Description

Germany DIN 1.7377 and 1.7377 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 1.7377
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 1.7377 DIN Germany
GS-50CrMo4
1.7228
GS-34CrMo4 4
1.7341
1.7354
GS-17CrMnMo5 5
1.7355
GS-12CrMo19 5
1.7363
GS-17CrMo9 10

Chemical composition(mass fraction)(wt.%) of the 1.7377

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
0.14-0.21 Max 0.60 0.60-1.00 Max 0.025 Max 0.020 2.00-2.50 0.90-1.10

Mechanical Properties of steel grade 1.7377

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
645 (≥) 173 (≥) 42 24 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade 1.7377

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
14 - -     0.11 -  
796 317 - 41.3 444   -  
725 - 43 21.2   111 224

Heat Treatment of steel grade 1.7377

Heat treated : 1633°C - 1555°C

Technological Curves of steel grade 1.7377

Cross Reference Table (Equivalent Grade) of 1.7377

Grade Standard Country Application
1.7377 DIN Germany
GS-17CrMo9 10 GS-12CrMo9 10
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