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SA-765 Grade IV

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America ASME SA-765GradeIV 有强制性韧性要求的压力容器部件用碳钢和低合金钢锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-765GradeIV / SA-765 Grade IV
Category Grade Standard Region/Area Standard Content
Metals SA-765 Grade IV ASME SA-765/SA-765M America 有强制性韧性要求的压力容器部件用碳钢和低合金钢锻件

Chemical composition(mass fraction)(wt.%) of the SA-765 Grade IV

Element Min Max Similar
V - 0.0600 -
Si 0.1500 0.5000 -
S - 0.0200 -
P - 0.0200 -
Ni - 0.5000 -
Mo - 0.1000 -
Mn 1.0000 1.6000 -
Cu - 0.3500 -
Cr - 0.4000 -
C - 0.2000 -
Al - 0.0500 -

Mechanical Properties of steel grade SA-765 Grade IV

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)
939 (≥) 533 (≥) 14 31 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade SA-765 Grade IV

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
32 - -     0.21 -  
322 242 - 21.3 313   -  
342 - 22 41.2   423 243

Heat Treatment of steel grade SA-765 Grade IV

Heat treated : 1441°C - 1717°C

Technological Curves of steel grade SA-765 Grade IV

Cross Reference Table (Equivalent Grade) of SA-765 Grade IV

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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