X2CrNi18-9

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International ISO X2CrNi18-9 Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X2CrNi18-9 / X2CrNi18-9

Category	Grade	Standard	Region/Area	Standard Content
Metals	X2CrNi18-9	ISO 9328-7	International	Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels

Chemical composition(mass fraction)(wt.%) of the X2CrNi18-9

Element	Min	Max	Similar
Si	-	1.0000	-
S	-	0.0300	-
P	-	0.0450	-
Ni	8.0000	10.0000	-
N	-	0.1100	-
Mn	-	2.0000	-
Cr	17.5000	19.5000	-
C	-	0.0300	-
Si	-	1.0000	-
S	-	0.0150	-
P	-	0.0450	-
Ni	8.0000	10.5000	-
N	-	0.1000	-
Mn	-	2.0000	-
Cr	17.5000	19.5000	-
C	-	0.0300	-

Mechanical Properties of steel grade X2CrNi18-9

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)
448 (≥)	371 (≥)	43	42	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	231

Physical Properties of steel grade X2CrNi18-9

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
31	-	-			0.43	-
122	988	-	32.3	112		-
387	-	23	24.2			423	234

Heat Treatment of steel grade X2CrNi18-9

Heat treated : 1853°C - 1889°C

Technological Curves of steel grade X2CrNi18-9

No Curve

Cross Reference Table (Equivalent Grade) of X2CrNi18-9

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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