XM-18

Favorite Datasheet

#XM-18

Description

XM-18 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: XM-18

Category	Type	Steel Grade
Steel Grades	High Alloy	XM-18
		S20200
		202
		S20400
		S20910
		XM-19
		S21400
		XM-31
		S21600
		XM-17
		S21603

Chemical composition(mass fraction)(wt.%) of the XM-18

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.03	0.75	7.5-9	0.045	0.03	17.5-22	5-7
Mo	Al	Cu	Nb	Ti	V	Ce
2-3
N	Co	Pb	B	Other
0.25-0.5

Mechanical Properties of steel grade XM-18

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)
539 (≥)	482 (≥)	43	44	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	133

Physical Properties of steel grade XM-18

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
12	-	-			0.44	-
466	783	-	21.3	314		-
963	-	44	43.2			244	124

Heat Treatment of steel grade XM-18

Heat treated : 1886°C - 1381°C

Technological Curves of steel grade XM-18

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

Do you supply this XM-18?
List your company on S&G now? Join
Non-paying users only

Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel

Superalloy & High Temperature Alloy