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X7NiCrAlTi32-21TQ2

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International ISO X7NiCrAlTi32-21TQ2 压力容器用钢板和带材-交货技术条件-第5部分：奥氏体钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X7NiCrAlTi32-21TQ2 / X7NiCrAlTi32-21TQ2
Category Grade Standard Region/Area Standard Content
Metals X7NiCrAlTi32-21TQ2 ISO 9328-5 International 压力容器用钢板和带材-交货技术条件-第5部分：奥氏体钢

Chemical composition(mass fraction)(wt.%) of the X7NiCrAlTi32-21TQ2

Element Min Max Similar
Cu - 0.7500 -
Ti 0.1500 0.6000 -
Al 0.1500 0.6000 -
Ni 30.0000 35.0000 -
Cr 19.0000 23.0000 -
P - 0.0300 -
S - 0.0200 -
Mn - 2.0000 -
Si - 1.0000 -
C - 0.1000 -

Mechanical Properties of steel grade X7NiCrAlTi32-21TQ2

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)
777 (≥) 177 (≥) 24 33 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade X7NiCrAlTi32-21TQ2

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 - -     0.41 -  
615 582 - 31.3 344   -  
333 - 43 14.2   114 113

Heat Treatment of steel grade X7NiCrAlTi32-21TQ2

Heat treated : 1122°C - 1695°C

Technological Curves of steel grade X7NiCrAlTi32-21TQ2

Cross Reference Table (Equivalent Grade) of X7NiCrAlTi32-21TQ2

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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