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308 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: 308

Category	Type	Steel Grade
Steel Grades	Stainless Steel	308
		S30452
		304LN
		S30453
		304LHN
		S30454
		305
		S30500
		S30600
		S30601
		S30615

Chemical composition(mass fraction)(wt.%) of the 308

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.08	1.00	2.00	0.045	0.030	19.0-21.0	10.0-12.0
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade 308

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)
164 (≥)	917 (≥)	11	23	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	131

Physical Properties of steel grade 308

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	-	-			0.43	-
892	716	-	42.3	211		-
197	-	43	21.2			312	124

Heat Treatment of steel grade 308

Heat treated : 1321°C - 1444°C

Technological Curves of steel grade 308

No Curve

Cross Reference Table (Equivalent Grade) of 308

Grade	Standard	Country	Application
UNS R30816	UNS	USA	precipitation hardening
S30808		China	Stainless steel bars
411308			The Czech republic Structural steel
11308			The Czech republic Structural steel

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