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SA-387 Grade 12 Class 1

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America ASME SA-387Grade12Class1 压力容器板，合金钢，铬钼 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-387Grade12Class1 / SA-387 Grade 12 Class 1
Category Grade Standard Region/Area Standard Content
Metals SA-387 Grade 12 Class 1 ASME SA-387/SA-387M America 压力容器板，合金钢，铬钼

Chemical composition(mass fraction)(wt.%) of the SA-387 Grade 12 Class 1

Element Min Max Similar

Mechanical Properties of steel grade SA-387 Grade 12 Class 1

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)
187 (≥) 676 (≥) 43 44 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade SA-387 Grade 12 Class 1

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
13 - -     0.23 -  
668 343 - 12.3 341   -  
765 - 31 33.2   131 342

Heat Treatment of steel grade SA-387 Grade 12 Class 1

Heat treated : 1449°C - 1365°C

Technological Curves of steel grade SA-387 Grade 12 Class 1

Cross Reference Table (Equivalent Grade) of SA-387 Grade 12 Class 1

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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