XM-21

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#XM-21

Description

XM-21 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: XM-21

Category	Type	Steel Grade
Steel Grades	Stainless Steel	XM-21
		S30310
		S30403
		304H
		S30409
		S30415
		XM-7
		S30430
		S30432
		304N
		S30451

Chemical composition(mass fraction)(wt.%) of the XM-21

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.08	1.00	2.00	0.045	0.030	18.0-20.0	8.00-10.0
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
0.16-0.30

Mechanical Properties of steel grade XM-21

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)
644 (≥)	468 (≥)	41	33	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	223

Physical Properties of steel grade XM-21

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
23	-	-			0.32	-
434	334	-	12.3	214		-
991	-	42	23.2			334	314

Heat Treatment of steel grade XM-21

Heat treated : 1425°C - 1877°C

Technological Curves of steel grade XM-21

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