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1.6783

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GS-19NiCrMo12 6 GS-12MnCrNiMo5 3
#1.6783

Description

Germany DIN 1.6783 and 1.6783 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 1.6783
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 1.6783 DIN Germany
1.6750
1.6759
GS-18NiMoCr3 6
GS-22NiMoCr5 6
1.6760
1.6779
GS-14NiCrMo10 6
GS-18NiCrMo12 6
1.6781
GS-19NiCrMo12 6

Chemical composition(mass fraction)(wt.%) of the 1.6783

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
Max 0.22 Max 0.60 0.50-0.80 Max 0.025 Max 0.025 1.35-1.85 2.50-3.50 0.35-0.60

Mechanical Properties of steel grade 1.6783

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)
265 (≥) 672 (≥) 34 22 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade 1.6783

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
32 - -     0.24 -  
485 682 - 41.3 341   -  
625 - 43 32.2   111 141

Heat Treatment of steel grade 1.6783

Heat treated : 1822°C - 1862°C

Technological Curves of steel grade 1.6783

Cross Reference Table (Equivalent Grade) of 1.6783

Grade Standard Country Application
1.6783 DIN Germany
GS-19NiCrMo12 6 GS-12MnCrNiMo5 3
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