GX 8 CrNi 12

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France AFNOR NF GX8CrNi12 Steel castings for pressure purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GX8CrNi12 / GX 8 CrNi 12

Category	Grade	Standard	Region/Area	Standard Content
Metals	GX 8 CrNi 12	NF EN 10213	France	Steel castings for pressure purposes

Chemical composition(mass fraction)(wt.%) of the GX 8 CrNi 12

Element	Min	Max	Similar
Si	-	0.4000	-
S	-	0.0200	-
P	-	0.0300	-
Ni	0.8000	1.5000	-
Mo	-	0.5000	-
Mn	0.5000	0.8000	-
Cr	11.5000	12.5000	-
C	-	0.1000	-
V	-	0.0800	-
Si	-	0.4000	-
S	-	0.0200	-
P	-	0.0300	-
Ni	0.8000	1.5000	-
Mo	-	0.5000	-
Mn	0.5000	0.8000	-
Cu	-	0.3000	-
Cr	11.5000	12.5000	-
C	-	0.1000	-

Mechanical Properties of steel grade GX 8 CrNi 12

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
667 (≥)	517 (≥)	34	41	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	243

Physical Properties of steel grade GX 8 CrNi 12

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
41	-	-			0.34	-
967	277	-	13.3	141		-
865	-	43	41.2			334	233

Heat Treatment of steel grade GX 8 CrNi 12

Heat treated : 1763°C - 1393°C

Technological Curves of steel grade GX 8 CrNi 12

No Curve

Cross Reference Table (Equivalent Grade) of GX 8 CrNi 12

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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