A240 XM-19

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America ASTM A240XM-19 压力容器用耐热铬和铬镍不锈钢厚板、薄板和带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A240XM-19 / A240 XM-19

Category	Grade	Standard	Region/Area	Standard Content
Metals	A240 XM-19	ASTM A240/A240M	America	压力容器用耐热铬和铬镍不锈钢厚板、薄板和带

Chemical composition(mass fraction)(wt.%) of the A240 XM-19

Element	Min	Max	Similar
N	0.2000	0.4000	-
V	0.1000	0.3000	-
Mo	1.5000	3.0000	-
Ni	11.5000	13.5000	-
Cr	20.5000	23.5000	-
P	-	0.0400	-
S	-	0.0300	-
Mn	4.0000	6.0000	-
Si	-	0.7500	-
C	-	0.0600	-
N	0.2000	0.4000	-
Nb	0.1000	0.3000	-
V	0.1000	0.3000	-
Mo	1.5000	3.0000	-
Ni	11.5000	13.5000	-
Cr	20.5000	23.5000	-
P	-	0.0400	-
S	-	0.0300	-
Mn	4.0000	6.0000	-
Si	-	0.7500	-
C	-	0.0600	-

Mechanical Properties of steel grade A240 XM-19

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)
876 (≥)	939 (≥)	44	41	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	321

Physical Properties of steel grade A240 XM-19

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
22	-	-			0.43	-
522	573	-	34.3	143		-
992	-	13	32.2			242	213

Heat Treatment of steel grade A240 XM-19

Heat treated : 1759°C - 1523°C

Technological Curves of steel grade A240 XM-19

No Curve

Cross Reference Table (Equivalent Grade) of A240 XM-19

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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