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A369 Grade FP91

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America ASTM A369GradeFP91 高温钻孔锻造碳和铁素体合金钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A369GradeFP91 / A369 Grade FP91
Category Grade Standard Region/Area Standard Content
Metals A369 Grade FP91 ASTM A369/A369M America 高温钻孔锻造碳和铁素体合金钢

Chemical composition(mass fraction)(wt.%) of the A369 Grade FP91

Element Min Max Similar
Zr - 0.0100 -
V 0.1800 0.2500 -
Ti - 0.0100 -
Si 0.2000 0.5000 -
S - 0.0250 -
P - 0.0250 -
Other - - -
Ni+Mn - 1.0000 -
Ni - 0.4000 -
Nb 0.0600 0.1000 -
N 0.0300 0.0700 -
Mo 0.8500 1.0500 -
Mn 0.3000 0.6000 -
Cr 8.0000 9.5000 -
C 0.0800 0.1200 -
Al - 0.0200 -

Mechanical Properties of steel grade A369 Grade FP91

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)
424 (≥) 688 (≥) 31 12 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade A369 Grade FP91

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 - -     0.34 -  
425 149 - 11.3 333   -  
779 - 31 33.2   433 313

Heat Treatment of steel grade A369 Grade FP91

Heat treated : 1642°C - 1124°C

Technological Curves of steel grade A369 Grade FP91

Cross Reference Table (Equivalent Grade) of A369 Grade FP91

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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