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A200 Grade T91

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America ASTM A200GradeT91 炼油厂用中级无缝合金钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A200GradeT91 / A200 Grade T91
Category Grade Standard Region/Area Standard Content
Metals A200 Grade T91 ASTM A200 America 炼油厂用中级无缝合金钢管

Chemical composition(mass fraction)(wt.%) of the A200 Grade T91

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 -
Cr 8.0000 9.5000 -
Cb 0.0600 0.1000 -
C 0.0800 0.1200 -
Al - 0.0400 -

Mechanical Properties of steel grade A200 Grade T91

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)
364 (≥) 677 (≥) 43 44 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade A200 Grade T91

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
43 - -     0.12 -  
428 479 - 11.3 241   -  
866 - 21 22.2   221 323

Heat Treatment of steel grade A200 Grade T91

Heat treated : 1317°C - 1923°C

Technological Curves of steel grade A200 Grade T91

Cross Reference Table (Equivalent Grade) of A200 Grade T91

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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