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A469 Grade8

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America ASTM A469Grade8 用于发电机转子的真空处理钢锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A469Grade8 / A469 Grade8
Category Grade Standard Region/Area Standard Content
Metals A469 Grade8 ASTM A469/A469M America 用于发电机转子的真空处理钢锻件

Chemical composition(mass fraction)(wt.%) of the A469 Grade8

Element Min Max Similar
V 0.0500 0.1500 -
Si - 0.3000 -
S - 0.0150 -
P - 0.0150 -
Ni 3.2500 4.0000 -
Mo 0.3000 0.6000 -
Mn - 0.6000 -
Cr 1.2500 2.0000 -
C - 0.2800 -

Mechanical Properties of steel grade A469 Grade8

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)
431 (≥) 162 (≥) 23 31 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade A469 Grade8

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
44 - -     0.33 -  
678 621 - 12.3 311   -  
459 - 12 42.2   413 321

Heat Treatment of steel grade A469 Grade8

Heat treated : 1496°C - 1964°C

Technological Curves of steel grade A469 Grade8

Cross Reference Table (Equivalent Grade) of A469 Grade8

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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