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1.7903

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GS-18MnCrMo6 3 GS-19MnCrMo6 3
#1.7903

Description

Germany DIN 1.7903 and 1.7903 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 1.7903
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 1.7903 DIN Germany
1.7380
GS-19CrMo10 9
1.7382
1.7725
GS-30CrMoV6 4
GS-35CrMoV10 4
1.7755
1.7756
GS-36CrMoV10 4
GS-18MnCrMo6 3

Chemical composition(mass fraction)(wt.%) of the 1.7903

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
Max 0.21 Max 0.50 1.00-1.70 Max 0.025 Max 0.025 -0.60 -0.40

Mechanical Properties of steel grade 1.7903

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)
963 (≥) 895 (≥) 13 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade 1.7903

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
33 - -     0.24 -  
263 113 - 13.3 121   -  
635 - 11 21.2   412 233

Heat Treatment of steel grade 1.7903

Heat treated : 1211°C - 1117°C

Technological Curves of steel grade 1.7903

Cross Reference Table (Equivalent Grade) of 1.7903

Grade Standard Country Application
1.7903 DIN Germany
GS-18MnCrMo6 3 GS-19MnCrMo6 3
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Jiangyou Longhai Special Steel Co.,Ltd.

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