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A826 Grade Type 91

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America ASTM A826GradeType91 增殖反应堆堆芯部件用奥氏体和铁素体不锈钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A826GradeType91 / A826 Grade Type 91
Category Grade Standard Region/Area Standard Content
Metals A826 Grade Type 91 ASTM A826/A826M America 增殖反应堆堆芯部件用奥氏体和铁素体不锈钢管

Chemical composition(mass fraction)(wt.%) of the A826 Grade Type 91

Element Min Max Similar
V 0.1800 0.2500 -
Si 0.2000 0.5000 -
S - 0.0100 -
P - 0.0200 -
Ni - 0.4000 -
N 0.0300 0.0700 -
Mo 0.8500 1.0500 -
Mn 0.3000 0.6000 -
Cu - 0.4000 -
Cr 8.0000 9.5000 -
Cb 0.0600 0.1000 -
C 0.0800 0.1200 -
Al - 0.0400 -

Mechanical Properties of steel grade A826 Grade Type 91

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)
227 (≥) 181 (≥) 14 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade A826 Grade Type 91

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
34 - -     0.23 -  
496 292 - 22.3 123   -  
252 - 22 23.2   334 113

Heat Treatment of steel grade A826 Grade Type 91

Heat treated : 1669°C - 1731°C

Technological Curves of steel grade A826 Grade Type 91

Cross Reference Table (Equivalent Grade) of A826 Grade Type 91

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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