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China 宝钢Q/BQB 304 热连轧不锈钢钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 304 / 304

Category	Grade	Standard	Region/Area	Standard Content
Metals	304	Q/BQB 4302	China	热连轧不锈钢钢板及钢带

Chemical composition(mass fraction)(wt.%) of the 304

Element	Min	Max	Similar
N	-	0.1000	-
Cr	17.5000	19.5000	-
Ni	8.0000	10.5000	-
S	-	0.0300	-
P	-	0.0450	-
Mn	-	2.0000	-
Si	-	0.7500	-
C	-	0.0700	-
N	-	0.1000	-
Cr	17.5000	19.5000	-
Ni	8.0000	10.5000	-
S	-	0.0300	-
P	-	0.0450	-
Mn	-	2.0000	-
Si	-	0.7500	-
C	-	0.0700	-

Mechanical Properties of steel grade 304

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)
566 (≥)	788 (≥)	13	31	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	423

Physical Properties of steel grade 304

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
21	-	-			0.24	-
454	235	-	14.3	332		-
934	-	13	22.2			143	413

Heat Treatment of steel grade 304

Heat treated : 1269°C - 1493°C

Technological Curves of steel grade 304

No Curve

Cross Reference Table (Equivalent Grade) of 304

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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