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689 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 689

Category	Type	Steel Grade
Steel Grades	High Alloy	689
		683
		N07041
		684
		N07500
		685
		N07001
		686
		687
		688
		N07750

Chemical composition(mass fraction)(wt.%) of the 689

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.15					20.00	...
Mo	Al	Cu	Nb	Ti	V	Ce
10.00	1.00			2.60
N	Co	Pb	B	Other	Approximate rnumbe
	10.00		0.005		M-252

Mechanical Properties of steel grade 689

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)
433 (≥)	381 (≥)	32	14	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	132

Physical Properties of steel grade 689

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
21	-	-			0.12	-
256	684	-	12.3	411		-
497	-	13	23.2			141	331

Heat Treatment of steel grade 689

Heat treated : 1124°C - 1679°C

Technological Curves of steel grade 689

No Curve

Cross Reference Table (Equivalent Grade) of 689

Grade	Standard	Country	Application
AISI 689	AISI	USA	precipitation hardening

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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Superalloy & High Temperature Alloy

689