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348 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 348

Category	Type	Steel Grade
Steel Grades	High Alloy	348
		316
		S31600
		316L
		S31603
		317
		S31700
		321
		S32100
		347
		S34700

Chemical composition(mass fraction)(wt.%) of the 348

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.08	1	2	0.045	0.03	17-19	9-13
Mo	Al	Cu	Nb	Ta	V	Ce
				≤0.1
N	Co	Pb	B	Other
	≤0.2			Nb+Ta 10*C~1.0

Mechanical Properties of steel grade 348

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)
649 (≥)	125 (≥)	11	24	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	142

Physical Properties of steel grade 348

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
24	-	-			0.43	-
822	816	-	41.3	244		-
644	-	33	42.2			443	314

Heat Treatment of steel grade 348

Heat treated : 1471°C - 1773°C

Technological Curves of steel grade 348

No Curve

Cross Reference Table (Equivalent Grade) of 348

Grade	Standard	Country	Application
1.3348	DIN	Germany	High-speed tool steel
SS 2348	SS	Sweden	Swedish SS standard stainless steel and heat resistant steel
417348			The Czech republic Stainless steel
17 348			The Czech republic Stainless steel

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348