F304

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China NB F304 压水堆核电厂阀门第5部分：奥氏体不锈钢锻件技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: F304 / F304

Category	Grade	Standard	Region/Area	Standard Content
Metals	F304	NB/T 20010.5	China	压水堆核电厂阀门第5部分：奥氏体不锈钢锻件技术条件

Chemical composition(mass fraction)(wt.%) of the F304

Element	Min	Max	Similar
Cr	18.0000	20.0000	-
Ni	8.0000	11.0000	-
S	-	0.0300	-
P	-	0.0450	-
Mn	-	2.0000	-
Si	-	1.0000	-
C	-	0.0800	-

Mechanical Properties of steel grade F304

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)
269 (≥)	188 (≥)	43	24	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	411

Physical Properties of steel grade F304

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	-	-			0.12	-
275	228	-	12.3	143		-
324	-	34	22.2			441	341

Heat Treatment of steel grade F304

Heat treated : 1515°C - 1915°C

Technological Curves of steel grade F304

No Curve

Cross Reference Table (Equivalent Grade) of F304

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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