SA-351 Grade CK20

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America ASME SA-351GradeCK20 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-351GradeCK20 / SA-351 Grade CK20

Category	Grade	Standard	Region/Area	Standard Content
Metals	SA-351 Grade CK20	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 CK20

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade SA-351 Grade CK20

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
666 (≥)	219 (≥)	33	34	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	122

Physical Properties of steel grade SA-351 Grade CK20

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
14	-	-			0.34	-
358	364	-	11.3	342		-
872	-	33	43.2			323	133

Heat Treatment of steel grade SA-351 Grade CK20

Heat treated : 1695°C - 1972°C

Technological Curves of steel grade SA-351 Grade CK20

No Curve

Cross Reference Table (Equivalent Grade) of SA-351 Grade CK20

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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