D-979

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#D-979

Description

D-979 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: D-979

Category	Type	Steel Grade
Steel Grades	High Alloy	D-979
		Croloy 16-6PH
		Cronifer 2803 Mo
		Cryoogenic Tenelon
		Custom 450
		Custom 455
		Custom 465
		Custom 475
		Custom Fol 316 HQ
		Custom Fol 302 HQ
		D6A

Chemical composition(mass fraction)(wt.%) of the D-979

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.06	0.2	0.25			14.9	44.3
Mo	Al	Cu	Nb	Ti	V	Ce
4.05	1.05			3
N	Co	Pb	B	Other
			0.01	W 3.65 Fe ...

Mechanical Properties of steel grade D-979

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)
595 (≥)	183 (≥)	14	24	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	213

Physical Properties of steel grade D-979

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
14	-	-			0.22	-
895	944	-	43.3	212		-
638	-	44	34.2			233	212

Heat Treatment of steel grade D-979

Heat treated : 1289°C - 1914°C

Technological Curves of steel grade D-979

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