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SA-278 Class No. 200

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America ASME SA-278ClassNo.200 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: SA-278ClassNo.200 / SA-278 Class No. 200
Category Grade Standard Region/Area Standard Content
Metals SA-278 Class No. 200 ASME SA-278/SA 278M 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 SA-278 Class No. 200

Element Min Max Similar

Mechanical Properties of steel grade SA-278 Class No. 200

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)
388 (≥) 319 (≥) 34 11 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade SA-278 Class No. 200

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
12 - -     0.41 -  
254 991 - 21.3 424   -  
665 - 33 13.2   444 412

Heat Treatment of steel grade SA-278 Class No. 200

Heat treated : 1321°C - 1177°C

Technological Curves of steel grade SA-278 Class No. 200

Cross Reference Table (Equivalent Grade) of SA-278 Class No. 200

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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