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SA-249 TP 321

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America ASME SA-249TP321 锅炉、过热器、换热器和冷凝器用焊接奥氏体钢管子 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-249TP321 / SA-249 TP 321
Category Grade Standard Region/Area Standard Content
Metals SA-249 TP 321 ASME SA-249/SA-249M America 锅炉、过热器、换热器和冷凝器用焊接奥氏体钢管子

Chemical composition(mass fraction)(wt.%) of the SA-249 TP 321

Element Min Max Similar
Ti - - -
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 9.0000 12.0000 -
N - 0.1000 -
Mn - 2.0000 -
Cr 17.0000 19.0000 -
C - 0.0800 -

Mechanical Properties of steel grade SA-249 TP 321

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)
983 (≥) 782 (≥) 13 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade SA-249 TP 321

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
21 - -     0.11 -  
988 621 - 23.3 441   -  
384 - 33 13.2   241 223

Heat Treatment of steel grade SA-249 TP 321

Heat treated : 1496°C - 1136°C

Technological Curves of steel grade SA-249 TP 321

Cross Reference Table (Equivalent Grade) of SA-249 TP 321

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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