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A271 Type 321H

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America ASTM A271Type321H 炼油厂用无缝奥氏体铬镍钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A271Type321H / A271 Type 321H
Category Grade Standard Region/Area Standard Content
Metals A271 Type 321H ASTM A271 America 炼油厂用无缝奥氏体铬镍钢管

Chemical composition(mass fraction)(wt.%) of the A271 Type 321H

Element Min Max Similar
Ti - - -
Si - 0.7500 -
S - 0.0300 -
P - 0.0400 -
Ni 9.0000 13.0000 -
Mn - 2.0000 -
Cr 17.0000 20.0000 -
C 0.0400 0.1000 -

Mechanical Properties of steel grade A271 Type 321H

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)
912 (≥) 837 (≥) 32 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade A271 Type 321H

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
42 - -     0.13 -  
857 873 - 21.3 241   -  
214 - 33 13.2   321 232

Heat Treatment of steel grade A271 Type 321H

Heat treated : 1535°C - 1649°C

Technological Curves of steel grade A271 Type 321H

Cross Reference Table (Equivalent Grade) of A271 Type 321H

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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