SMA490CP

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China 宝钢Q/BQB SMA490CP 焊接结构用耐大气腐蚀厚钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SMA490CP / SMA490CP

Category	Grade	Standard	Region/Area	Standard Content
Metals	SMA490CP	Q/BQB 614	China	焊接结构用耐大气腐蚀厚钢板

Chemical composition(mass fraction)(wt.%) of the SMA490CP

Element	Min	Max	Similar
Cu	0.2000	0.3500	-
Cr	0.3000	0.5500	-
P	-	0.0350	-
S	-	0.0350	-
Mn	-	1.4000	-
Si	-	0.5500	-
C	-	0.1800	-

Mechanical Properties of steel grade SMA490CP

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)
238 (≥)	957 (≥)	12	11	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	311

Physical Properties of steel grade SMA490CP

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
31	-	-			0.42	-
742	192	-	44.3	332		-
812	-	42	33.2			243	231

Heat Treatment of steel grade SMA490CP

Heat treated : 1561°C - 1928°C

Technological Curves of steel grade SMA490CP

No Curve

Cross Reference Table (Equivalent Grade) of SMA490CP

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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