SM490A

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China 首钢Q/SG SM490A 结构用热连轧钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SM490A / SM490A

Category	Grade	Standard	Region/Area	Standard Content
Metals	SM490A	Q/SGZGS 316	China	结构用热连轧钢板和钢带

Chemical composition(mass fraction)(wt.%) of the SM490A

Element	Min	Max	Similar
C	-	0.2000	-
Si	-	0.5500	-
Mn	-	1.6000	-
P	-	0.0350	-
S	-	0.0350	-
Cu	-	0.3000	-
Cr	-	0.3000	-
Ni	-	0.3000	-
N	-	0.0080	-

Mechanical Properties of steel grade SM490A

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)
148 (≥)	484 (≥)	12	34	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	342

Physical Properties of steel grade SM490A

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
24	-	-			0.11	-
578	783	-	43.3	432		-
666	-	21	32.2			343	143

Heat Treatment of steel grade SM490A

Heat treated : 1979°C - 1537°C

Technological Curves of steel grade SM490A

No Curve

Cross Reference Table (Equivalent Grade) of SM490A

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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