A249 Type 304H

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America ASTM A249Type304H 锅炉、过热器、换热器和冷凝器用焊接奥氏体钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A249Type304H / A249 Type 304H

Category	Grade	Standard	Region/Area	Standard Content
Metals	A249 Type 304H	ASTM A249/A249M	America	锅炉、过热器、换热器和冷凝器用焊接奥氏体钢管

Chemical composition(mass fraction)(wt.%) of the A249 Type 304H

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade A249 Type 304H

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)
586 (≥)	959 (≥)	34	44	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	213

Physical Properties of steel grade A249 Type 304H

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
23	-	-			0.11	-
437	224	-	43.3	113		-
779	-	44	42.2			113	112

Heat Treatment of steel grade A249 Type 304H

Heat treated : 1525°C - 1883°C

Technological Curves of steel grade A249 Type 304H

No Curve

Cross Reference Table (Equivalent Grade) of A249 Type 304H

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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