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A249 Type 304L

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America ASTM A249Type304L 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: A249Type304L / A249 Type 304L
Category Grade Standard Region/Area Standard Content
Metals A249 Type 304L 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 304L

Element Min Max Similar

Mechanical Properties of steel grade A249 Type 304L

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
981 (≥) 516 (≥) 24 34 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade A249 Type 304L

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
14 - -     0.41 -  
592 914 - 24.3 421   -  
568 - 42 11.2   424 331

Heat Treatment of steel grade A249 Type 304L

Heat treated : 1389°C - 1183°C

Technological Curves of steel grade A249 Type 304L

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

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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