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A765 Grade Ⅱ

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America ASTM A765GradeⅡ 具有强制性韧性要求的碳素钢及低合金钢压力容器部件锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A765GradeⅡ / A765 Grade Ⅱ
Category Grade Standard Region/Area Standard Content
Metals A765 Grade Ⅱ ASTM A765/A765M America 具有强制性韧性要求的碳素钢及低合金钢压力容器部件锻件

Chemical composition(mass fraction)(wt.%) of the A765 Grade Ⅱ

Element Min Max Similar
V - 0.0500 -
Si 0.1500 0.3500 -
S - 0.0200 -
P - 0.0200 -
Ni - 0.5000 -
Mo - 0.1000 -
Mn 0.6000 1.3500 -
Cu - 0.3500 -
Cr - 0.4000 -
C - 0.3000 -
Al - 0.0500 -

Mechanical Properties of steel grade A765 Grade Ⅱ

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)
668 (≥) 739 (≥) 32 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade A765 Grade Ⅱ

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
14 - -     0.14 -  
653 583 - 14.3 313   -  
292 - 31 14.2   144 444

Heat Treatment of steel grade A765 Grade Ⅱ

Heat treated : 1732°C - 1263°C

Technological Curves of steel grade A765 Grade Ⅱ

Cross Reference Table (Equivalent Grade) of A765 Grade Ⅱ

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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