304H

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#304H

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304H High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 304H

Category	Type	Steel Grade
Steel Grades	High Alloy	304H
		301L
		S30153
		301LN
		S30200
		302
		S30400
		304
		S30403
		304L
		S30409

Chemical composition(mass fraction)(wt.%) of the 304H

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.04-0.1	0.75	2	0.045	0.03	18-20	8-10.5
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade 304H

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)
158 (≥)	398 (≥)	12	41	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	222

Physical Properties of steel grade 304H

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
43	-	-			0.42	-
796	384	-	33.3	342		-
521	-	43	32.2			223	142

Heat Treatment of steel grade 304H

Heat treated : 1664°C - 1792°C

Technological Curves of steel grade 304H

No Curve

Cross Reference Table (Equivalent Grade) of 304H

Grade	Standard	Country	Application
SUS304HFB	JIS	Japan	austenitic special steel
SUS304HTP	JIS	Japan	austenitic special steel

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Rfq.: sales@longhaisteel.com

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