G-X 7 CrNiNb 18 9

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Germany DIN G-X7CrNiNb189 Corrosion resistant steel castings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G-X7CrNiNb189 / G-X 7 CrNiNb 18 9

Category	Grade	Standard	Region/Area	Standard Content
Metals	G-X 7 CrNiNb 18 9	DIN 17445	Germany	Corrosion resistant steel castings

Chemical composition(mass fraction)(wt.%) of the G-X 7 CrNiNb 18 9

Element	Min	Max	Similar
Si	-	1.5000	-
S	-	0.0300	-
P	-	0.0400	-
Ni	9.0000	12.0000	-
Nb	-	1.0000	-
Mn	-	1.5000	-
Cr	18.0000	20.0000	-
C	-	0.0700	-

Mechanical Properties of steel grade G-X 7 CrNiNb 18 9

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)
373 (≥)	614 (≥)	31	31	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	311

Physical Properties of steel grade G-X 7 CrNiNb 18 9

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	-	-			0.42	-
535	534	-	34.3	433		-
691	-	31	21.2			412	413

Heat Treatment of steel grade G-X 7 CrNiNb 18 9

Heat treated : 1486°C - 1649°C

Technological Curves of steel grade G-X 7 CrNiNb 18 9

No Curve

Cross Reference Table (Equivalent Grade) of G-X 7 CrNiNb 18 9

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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