20-45-5

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#20-45-5

Description

20-45-5 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 20-45-5

Category	Type	Steel Grade
Steel Grades	High Alloy	20-45-5
		18-9LW
		18-15
		18-17LC
		18-18-2
		18-18-Plus
		18Cr-Cb
		HP-10
		19-9DL
		19-9DX
		19-9-W-Mo

Chemical composition(mass fraction)(wt.%) of the 20-45-5

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.08	1.0	3.0-7.0			18.0-22.0	43.0-49.0
Mo	Al	Cu	Nb	Ti	V	Ce
1.5-3.0			≤0.40
N	Co	Pb	B	Other
				Fe...

Mechanical Properties of steel grade 20-45-5

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)
495 (≥)	521 (≥)	23	21	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	221

Physical Properties of steel grade 20-45-5

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
33	-	-			0.13	-
427	371	-	41.3	341		-
995	-	11	13.2			423	424

Heat Treatment of steel grade 20-45-5

Heat treated : 1755°C - 1437°C

Technological Curves of steel grade 20-45-5

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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