A240 Type 348H

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America ASTM A240Type348H 压力容器用耐热铬及铬镍不锈钢板、薄板及带材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A240Type348H / A240 Type 348H

Category	Grade	Standard	Region/Area	Standard Content
Metals	A240 Type 348H	ASTM A240/A240M	America	压力容器用耐热铬及铬镍不锈钢板、薄板及带材

Chemical composition(mass fraction)(wt.%) of the A240 Type 348H

Element	Min	Max	Similar
Ta	-	0.1000	-
Si	-	0.7500	-
S	-	0.0300	-
P	-	0.0450	-
Ni	9.0000	13.0000	-
Nb+Ta	-	1.0000	-
Mn	-	2.0000	-
Cr	17.0000	19.0000	-
Co	-	0.2000	-
C	0.0400	0.1000	-

Mechanical Properties of steel grade A240 Type 348H

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)
495 (≥)	855 (≥)	13	42	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	222

Physical Properties of steel grade A240 Type 348H

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
12	-	-			0.31	-
276	138	-	22.3	112		-
972	-	12	24.2			142	133

Heat Treatment of steel grade A240 Type 348H

Heat treated : 1899°C - 1189°C

Technological Curves of steel grade A240 Type 348H

No Curve

Cross Reference Table (Equivalent Grade) of A240 Type 348H

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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