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SA-789 S31200

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America ASME SA-789S31200 Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-789S31200 / SA-789 S31200
Category Grade Standard Region/Area Standard Content
Metals SA-789 S31200 ASME SA-789/SA-789M America Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service

Chemical composition(mass fraction)(wt.%) of the SA-789 S31200

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 5.5000 6.5000 -
N 0.1400 0.2000 -
Mo 1.2000 2.0000 -
Mn - 2.0000 -
Cr 24.0000 26.0000 -
C - 0.0300 -

Mechanical Properties of steel grade SA-789 S31200

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)
518 (≥) 562 (≥) 11 44 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade SA-789 S31200

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 - -     0.22 -  
394 329 - 33.3 341   -  
671 - 21 13.2   323 311

Heat Treatment of steel grade SA-789 S31200

Heat treated : 1395°C - 1514°C

Technological Curves of steel grade SA-789 S31200

Cross Reference Table (Equivalent Grade) of SA-789 S31200

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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