29-9

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#29-9

Description

29-9 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 29-9

Category	Type	Steel Grade
Steel Grades	High Alloy	29-9
		21-6 9LC
		22-4-9
		22-13-5
		25-4-4
		26-1
		9LC
		28-4C+Cb
		29-4
		29-4-2
		29-4C

Chemical composition(mass fraction)(wt.%) of the 29-9

C CC	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.08-0.15	0.75	1.0-2.0		0.03	27.0-31.0	8.5-10.5
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.50		≤0.50
N	Co	Pb	B	Other

Mechanical Properties of steel grade 29-9

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)
518 (≥)	536 (≥)	11	32	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	111

Physical Properties of steel grade 29-9

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
42	-	-			0.34	-
638	723	-	24.3	443		-
936	-	34	21.2			141	242

Heat Treatment of steel grade 29-9

Heat treated : 1678°C - 1812°C

Technological Curves of steel grade 29-9

No Curve

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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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