316h Stainless Steel

316h stainless steel

316H belongs to the American standard of high carbon austenitic heat-resistant stainless steel, the implementation standard: ASTM A959-2004

316H welding performance is poor, poor resistance to intergranular corrosion, with high toughness and plasticity, but the strength is low, it is impossible to strengthen it through phase change, only through cold processing to strengthen the Mo element, so that its corrosion resistance, and high temperature strength has been greatly improved, high temperature resistance can reach 1200-1300 degrees, can be used under harsh conditions. It is widely used in heavy industry, light industry, daily necessities industry and hundreds of building decoration industries.

Composition of 316H Stainless Steel Pipes & Tubes

Grade	-	C	Mn	Si	P	S	Cr	Mo	Ni	N
316	Min	-	-	-	0	-	16.0	2.00	10.0	-
Max	0.08	2.0	0.75	0.045	0.03	18.0	3.00	14.0	0.10
316L	Min	-	-	-	-	-	16.0	2.00	10.0	-
Max	0.03	2.0	0.75	0.045	0.03	18.0	3.00	14.0	0.10
316H	Min	0.04	0.04	0	-	-	16.0	2.00	10.0	-
max	0.10	0.10	0.75	0.045	0.03	18.0	3.00	14.0	-

Mechanical Properties of 316H Stainless Steel Pipes

Grade	Tensile Str (MPa) min	Yield Str 0.2% Proof (MPa) min	Elong (% in 50mm) min	Hardness
				Rockwell B (HR B) max	Brinell (HB) max
316	515	205	40	95	217
316L	485	170	40	95	217
316H	515	205	40	95	217

Note: 316H also has a requirement for a grain size of ASTM no. 7 or coarser.

Physical Properties of 316H Stainless Steel Pipes

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Co-eff of Thermal Expansion (m/m/0C)			Thermal Conductivity (W/m.K)		Specific Heat 0-1000C (J/kg.K)	Elec Resistivity (nΩ.m)
			0-1000C	0-3150C	0-5380C	At 1000C	At 5000C
316/L/H	8000	193	15.9	16.2	17.5	16.3	21.5	500	740

Grade Specification Comparison of 316H Stainless Steel Pipes

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
		BS	En	No	Name
316	S31600	316S31	58H, 58J	1.4401	X5CrNiMo17-12-2	2347	SUS 316
316L	S31603	316S11	-	1.4404	X2CrNiMo17-12-2	2348	SUS 316L
316H	S31609	316S51	-	-	-	-	-

 

Application

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Product Testing

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