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

Datasheet for: Steel Grades:High Alloy: 444

Category	Type	Steel Grade
Steel Grades	High Alloy	444
		S43000
		430
		S43035
		439
		S43400
		434
		S43600
		436
		S43932
		S43940

Chemical composition(mass fraction)(wt.%) of the 444

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.025	1	1	0.04	0.03	17.5-19.5	≤1
Mo	Al	Cu	Nb	Ti	V	Ce
1.75-2.5
N	Co	Pb	B	Other
≤0.035				(Ti+Cb)[0.2+4*(C+B)]~0.8

Mechanical Properties of steel grade 444

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)
527 (≥)	883 (≥)	42	12	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	221

Physical Properties of steel grade 444

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
44	-	-			0.13	-
736	274	-	23.3	131		-
255	-	43	11.2			124	342

Heat Treatment of steel grade 444

Heat treated : 1385°C - 1731°C

Technological Curves of steel grade 444

No Curve

Cross Reference Table (Equivalent Grade) of 444

Grade	Standard	Country	Application
SUS444
SUS444LTP	JIS	Japan	ferritic stainless steel
411444			The Czech republic Structural steel
11444			The Czech republic Structural steel
416444			The Czech republic Structural steel
16444			The Czech republic Structural steel
444			Australia Stainless steel
VI4441			Brazil Stainless steel
CNS 444		China	China Taiwan Stainless 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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Superalloy & High Temperature Alloy

444