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A269 Type 348

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America ASTM A269Type348 一般设备用无缝和焊接奥氏体不锈钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A269Type348 / A269 Type 348
Category Grade Standard Region/Area Standard Content
Metals A269 Type 348 ASTM A269 America 一般设备用无缝和焊接奥氏体不锈钢管

Chemical composition(mass fraction)(wt.%) of the A269 Type 348

Element Min Max Similar
C - 0.0800 -
Mn - 2.0000 -
P - 0.0450 -
S - 0.0300 -
Si - 1.0000 -
Ni 9.0000 12.0000 -
Cr 17.0000 19.0000 -
Ta - 0.1000 -
Co - 0.2000 -
Nb+Ta - 0.1000 -

Mechanical Properties of steel grade A269 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)
544 (≥) 595 (≥) 13 11 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade A269 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
14 - -     0.13 -  
944 934 - 13.3 114   -  
255 - 33 12.2   123 312

Heat Treatment of steel grade A269 Type 348

Heat treated : 1564°C - 1769°C

Technological Curves of steel grade A269 Type 348

Cross Reference Table (Equivalent Grade) of A269 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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