S21904

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#S21904

Description

S21904 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: S21904

Category	Type	Steel Grade
Steel Grades	High Alloy	S21904
		S32654
		S20161
		XM-19
		S20910
		XM-31
		S21400
		S21800
		XM-10
		S21900
		XM-11

Chemical composition(mass fraction)(wt.%) of the S21904

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.04	1	8-10	0.06	0.03	19-21.5	5.5-7.5
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
0.15-0.4

Mechanical Properties of steel grade S21904

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)
824 (≥)	786 (≥)	22	22	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	113

Physical Properties of steel grade S21904

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
32	-	-			0.44	-
671	119	-	22.3	143		-
582	-	33	41.2			243	124

Heat Treatment of steel grade S21904

Heat treated : 1223°C - 1341°C

Technological Curves of steel grade S21904

No Curve

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel

Superalloy & High Temperature Alloy