SN128MⅢsuper

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Global 企业标准 SN128MⅢsuper Scana Industrier ASA and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SN128MⅢsuper / SN128MⅢsuper

Category	Grade	Standard	Region/Area	Standard Content
Metals	SN128MⅢsuper	--	Global	Scana Industrier ASA

Chemical composition(mass fraction)(wt.%) of the SN128MⅢsuper

Element	Min	Max	Similar
Si	-	1.5000	-
S	-	0.0300	-
P	-	0.0450	-
Ni	12.0000	13.5000	-
Mo	2.5000	3.0000	-
Mn	-	2.0000	-
Cr	17.0000	19.0000	-
C	-	0.0300	-

Mechanical Properties of steel grade SN128MⅢsuper

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)
322 (≥)	417 (≥)	44	23	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	112

Physical Properties of steel grade SN128MⅢsuper

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	-	-			0.32	-
562	539	-	33.3	141		-
156	-	33	11.2			433	123

Heat Treatment of steel grade SN128MⅢsuper

Heat treated : 1862°C - 1871°C

Technological Curves of steel grade SN128MⅢsuper

No Curve

Cross Reference Table (Equivalent Grade) of SN128MⅢsuper

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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