635

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

Datasheet for: Steel Grades:High Alloy: 635

Category	Type	Steel Grade
Steel Grades	High Alloy	635
		630
		S17400
		631
		S17700
		632
		S15700
		633
		S35000
		634
		S35500

Chemical composition(mass fraction)(wt.%) of the 635

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.08	1	1	0.04	0.03	16-17.5	6-7.5
Mo	Al	Cu	Nb	Ti	V	Ce
	≤0.4			0.4-1.2
N	Co	Pb	B	Other

Mechanical Properties of steel grade 635

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)
272 (≥)	547 (≥)	12	41	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	141

Physical Properties of steel grade 635

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	-	-			0.31	-
585	945	-	11.3	311		-
281	-	42	43.2			131	322

Heat Treatment of steel grade 635

Heat treated : 1534°C - 1797°C

Technological Curves of steel grade 635

No Curve

Cross Reference Table (Equivalent Grade) of 635

Grade	Standard	Country	Application
AISI 635	AISI	USA	precipitation hardening
ASTM 635	ASTM	USA	precipitation hardening

Available Suppliers

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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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635