446

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

Datasheet for: Steel Grades:High Alloy: 446

Category	Type	Steel Grade
Steel Grades	High Alloy	446
		347
		S34700
		348
		S34800
		405
		S40500
		S40976
		430
		S43000
		S44400

Chemical composition(mass fraction)(wt.%) of the 446

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.2	1	1.5	0.04	0.03	23-27
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
≤0.25

Mechanical Properties of steel grade 446

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)
314 (≥)	512 (≥)	44	34	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	321

Physical Properties of steel grade 446

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
42	-	-			0.43	-
568	968	-	24.3	221		-
565	-	42	33.2			314	244

Heat Treatment of steel grade 446

Heat treated : 1589°C - 1474°C

Technological Curves of steel grade 446

No Curve

Cross Reference Table (Equivalent Grade) of 446

Grade	Standard	Country	Application
1.4460			austenitic special steel
1.4462			austenite and ferrite special steel
1.4466	AFNOR	France	Austenite
1.4462(AFNOR)	AFNOR	France	Austenitic-Ferrite
STR446			KS standard ferrite heat resistant steel
Ferrite 446		China	China Taiwan Heat-Resistant Steel
1.4467	DIN	Germany	High alloyed CrMnNiMoN steel
X2CrMnNiMoN26-5-4	DIN	Germany	High alloyed CrMnNiMoN steel
X3CrMnNiMoN25-6-4	DIN	Germany	High alloyed CrMnNiMoN steel

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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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446