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391 (G-X 12 CrNiMo 26 5)

Favorite Datasheet

Finland SFS 391(G-X12CrNiMo265) Cast steel 391. GX-8 NiCrMoCuNb 25 20 32 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 391(G-X12CrNiMo265) / 391 (G-X 12 CrNiMo 26 5)
Category Grade Standard Region/Area Standard Content
Metals 391 (G-X 12 CrNiMo 26 5) SFS 391 Finland Cast steel 391. GX-8 NiCrMoCuNb 25 20 32

Chemical composition(mass fraction)(wt.%) of the 391 (G-X 12 CrNiMo 26 5)

Element Min Max Similar

Mechanical Properties of steel grade 391 (G-X 12 CrNiMo 26 5)

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)
531 (≥) 812 (≥) 11 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade 391 (G-X 12 CrNiMo 26 5)

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
23 - -     0.21 -  
192 835 - 12.3 434   -  
851 - 11 24.2   132 144

Heat Treatment of steel grade 391 (G-X 12 CrNiMo 26 5)

Heat treated : 1196°C - 1418°C

Technological Curves of steel grade 391 (G-X 12 CrNiMo 26 5)

Cross Reference Table (Equivalent Grade) of 391 (G-X 12 CrNiMo 26 5)

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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