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SA-351 Grade CH20

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America ASME SA-351GradeCH20 承压元件用奥氏体、奥氏体-铁素体(双相)铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-351GradeCH20 / SA-351 Grade CH20
Category Grade Standard Region/Area Standard Content
Metals SA-351 Grade CH20 ASME SA-351/SA-351M America 承压元件用奥氏体、奥氏体-铁素体(双相)铸件

Chemical composition(mass fraction)(wt.%) of the SA-351 Grade CH20

Element Min Max Similar

Mechanical Properties of steel grade SA-351 Grade CH20

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)
181 (≥) 584 (≥) 31 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade SA-351 Grade CH20

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
43 - -     0.23 -  
358 415 - 43.3 433   -  
122 - 11 23.2   213 213

Heat Treatment of steel grade SA-351 Grade CH20

Heat treated : 1135°C - 1194°C

Technological Curves of steel grade SA-351 Grade CH20

Cross Reference Table (Equivalent Grade) of SA-351 Grade CH20

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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