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A278 Class 80

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America ASTM A278Class80 适用于650F容压部件用灰铸铁件的技术规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A278Class80 / A278 Class 80
Category Grade Standard Region/Area Standard Content
Metals A278 Class 80 ASTM A278/A278M America 适用于650F容压部件用灰铸铁件的技术规范

Chemical composition(mass fraction)(wt.%) of the A278 Class 80

Element Min Max Similar

Mechanical Properties of steel grade A278 Class 80

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)
161 (≥) 331 (≥) 43 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade A278 Class 80

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
33 - -     0.12 -  
752 123 - 33.3 132   -  
198 - 23 43.2   344 322

Heat Treatment of steel grade A278 Class 80

Heat treated : 1196°C - 1475°C

Technological Curves of steel grade A278 Class 80

Cross Reference Table (Equivalent Grade) of A278 Class 80

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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