320S17

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England B.S. 320S17 不锈钢、耐热钢和阀门钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 320S17 / 320S17

Category	Grade	Standard	Region/Area	Standard Content
Metals	320S17	BS 970-4	England	不锈钢、耐热钢和阀门钢

Chemical composition(mass fraction)(wt.%) of the 320S17

Element	Min	Max	Similar
Cu	-	0.5000	-
Ti	-	0.1000	-
Nb	-	0.2000	-
Mo	2.2500	3.0000	-
Ni	11.0000	14.0000	-
Cr	16.5000	18.5000	-
P	-	0.0450	-
S	-	0.0300	-
Mn	0.5000	2.0000	-
Si	0.2000	1.0000	-
C	-	0.0800	-

Mechanical Properties of steel grade 320S17

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)
789 (≥)	255 (≥)	22	34	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	242

Physical Properties of steel grade 320S17

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
41	-	-			0.43	-
141	895	-	34.3	443		-
495	-	44	14.2			123	124

Heat Treatment of steel grade 320S17

Heat treated : 1938°C - 1716°C

Technological Curves of steel grade 320S17

No Curve

Cross Reference Table (Equivalent Grade) of 320S17

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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