SMA570W

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China 宝钢Q/BQB SMA570W 焊接结构用耐大气腐蚀厚钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SMA570W / SMA570W

Category	Grade	Standard	Region/Area	Standard Content
Metals	SMA570W	Q/BQB 614	China	焊接结构用耐大气腐蚀厚钢板

Chemical composition(mass fraction)(wt.%) of the SMA570W

Element	Min	Max	Similar
Cu	0.3000	0.5000	-
Ni	0.0500	0.3000	-
Cr	0.4500	0.7500	-
P	-	0.0350	-
S	-	0.0350	-
Mn	-	1.4000	-
Si	0.1500	0.6500	-
C	-	0.1800	-

Mechanical Properties of steel grade SMA570W

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)
181 (≥)	414 (≥)	41	13	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	443

Physical Properties of steel grade SMA570W

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	-	-			0.13	-
518	361	-	22.3	142		-
256	-	34	13.2			231	412

Heat Treatment of steel grade SMA570W

Heat treated : 1695°C - 1925°C

Technological Curves of steel grade SMA570W

No Curve

Cross Reference Table (Equivalent Grade) of SMA570W

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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Rfq.: sales@longhaisteel.com

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