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A469 Grade7

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America ASTM A469Grade7 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: A469Grade7 / A469 Grade7
Category Grade Standard Region/Area Standard Content
Metals A469 Grade7 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 Grade7

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 Grade7

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)
215 (≥) 548 (≥) 34 33 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade A469 Grade7

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 - -     0.14 -  
985 138 - 44.3 322   -  
369 - 21 31.2   111 422

Heat Treatment of steel grade A469 Grade7

Heat treated : 1236°C - 1764°C

Technological Curves of steel grade A469 Grade7

Cross Reference Table (Equivalent Grade) of A469 Grade7

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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