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

Datasheet for: Steel Grades:High Alloy: 671

Category	Type	Steel Grade
Steel Grades	High Alloy	671
		R30155
		662
		S66220
		663
		664
		N09979
		665
		S66545
		670
		R30605

Chemical composition(mass fraction)(wt.%) of the 671

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.42	0.45	1.05			19.65	20.35
Mo	Al	Cu	Nb	Ti	V	Ce
4.15
N	Co	Pb	B	Other	Approximate rnumbe
	43.60			W 3.95 Nb/Ta4.10 Fe...	S-816

Mechanical Properties of steel grade 671

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)
896 (≥)	928 (≥)	13	41	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	332

Physical Properties of steel grade 671

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
23	-	-			0.24	-
985	968	-	43.3	313		-
346	-	12	43.2			222	242

Heat Treatment of steel grade 671

Heat treated : 1125°C - 1766°C

Technological Curves of steel grade 671

No Curve

Cross Reference Table (Equivalent Grade) of 671

Grade	Standard	Country	Application
AISI 671	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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671