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A409 Type 348

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America ASTM A409Type348 抗腐蚀或抗高温大口径焊接奥氏体不锈钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A409Type348 / A409 Type 348
Category Grade Standard Region/Area Standard Content
Metals A409 Type 348 ASTM A409/A409M America 抗腐蚀或抗高温大口径焊接奥氏体不锈钢管

Chemical composition(mass fraction)(wt.%) of the A409 Type 348

Element Min Max Similar
Ta - 0.1000 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Other - - -
Ni 9.0000 12.0000 -
Nb+Ta - 1.1000 -
Mn - 2.0000 -
Cr 17.0000 19.0000 -
C - 0.0800 -

Mechanical Properties of steel grade A409 Type 348

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)
885 (≥) 489 (≥) 14 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade A409 Type 348

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 - -     0.23 -  
899 472 - 24.3 424   -  
382 - 42 13.2   444 241

Heat Treatment of steel grade A409 Type 348

Heat treated : 1317°C - 1632°C

Technological Curves of steel grade A409 Type 348

Cross Reference Table (Equivalent Grade) of A409 Type 348

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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