18-18-Plus

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#18-18-Plus

Description

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

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

Category	Type	Steel Grade
Steel Grades	High Alloy	18-18-Plus
		17-22-A
		17-22-AS
		17-22-AV
		18-2Mn
		18-3Mn
		18-4Mn
		18-9LW
		18-15
		18-17LC
		18-18-2

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

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.15	1.00	17.0-19.0	0.045	1.00	17.0-19.0
Mo	Al	Cu	Nb	Ti	V	Ce
0.50-1.50		0.50-1.50
N	Co	Pb	B	Other
0.40-0.60

Mechanical Properties of steel grade 18-18-Plus

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)
834 (≥)	243 (≥)	23	14	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	211

Physical Properties of steel grade 18-18-Plus

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
44	-	-			0.14	-
169	739	-	24.3	324		-
643	-	13	23.2			341	332

Heat Treatment of steel grade 18-18-Plus

Heat treated : 1111°C - 1355°C

Technological Curves of steel grade 18-18-Plus

No Curve

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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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