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

Datasheet for: Steel Grades:High Alloy: 687

Category	Type	Steel Grade
Steel Grades	High Alloy	687
		N06002
		681
		682
		683
		N07041
		684
		N07500
		685
		N07001
		686

Chemical composition(mass fraction)(wt.%) of the 687

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.07					15.00	...
Mo	Al	Cu	Nb	Ti	V	Ce
5.25	4.25			3.50
N	Co	Pb	B	Other	Approximate rnumbe
	18.50		0.03	Fe 0.50	U700

Mechanical Properties of steel grade 687

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)
651 (≥)	356 (≥)	31	33	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	231

Physical Properties of steel grade 687

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	-
666	442	-	24.3	123		-
986	-	44	42.2			434	343

Heat Treatment of steel grade 687

Heat treated : 1648°C - 1277°C

Technological Curves of steel grade 687

No Curve

Cross Reference Table (Equivalent Grade) of 687

Grade	Standard	Country	Application
AISI 687	AISI	USA	precipitation hardening

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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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687