BB503

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China 舞钢Q/WTB BB503 太钢4#高炉大修工程高炉炉壳钢板BB503技术协议 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BB503 / BB503

Category	Grade	Standard	Region/Area	Standard Content
Metals	BB503	WJX 038	China	太钢4#高炉大修工程高炉炉壳钢板BB503技术协议

Chemical composition(mass fraction)(wt.%) of the BB503

Element	Min	Max	Similar
V	0.0200	0.1500	-
N	-	0.0070	-
Al	0.0100	0.0500	-
Ti	0.0100	0.0350	-
Nb	0.0150	0.0400	-
S	-	0.0100	-
P	-	0.0200	-
Mn	1.2500	1.6000	-
Si	0.3000	0.5000	-
C	0.1200	0.1800	-

Mechanical Properties of steel grade BB503

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)
323 (≥)	634 (≥)	32	24	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	242

Physical Properties of steel grade BB503

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
12	-	-			0.11	-
666	756	-	42.3	431		-
389	-	31	21.2			213	444

Heat Treatment of steel grade BB503

Heat treated : 1268°C - 1778°C

Technological Curves of steel grade BB503

No Curve

Cross Reference Table (Equivalent Grade) of BB503

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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