St44-3U

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#St44-3U

Description

St44-3U Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: St44-3U

Category	Type	Steel Grade
Steel Grades	Carbon Steel	St44-3U
		S275JR
		St44-2
		1.0044
		1.0044
		St44-2
		S275JR
		S275J0
		St44-3U
		1.0143
		1.0143

Chemical composition(mass fraction)(wt.%) of the St44-3U

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.20		1.50	0.030	0.030
Mo	Al	Cu	Nb	Ti	V	Ce
		≤ 0.55
N	Co	Pb	B	Other
≤ 0.012				houdu > 150 tuoyang N

Mechanical Properties of steel grade St44-3U

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)
286 (≥)	591 (≥)	34	22	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	311

Physical Properties of steel grade St44-3U

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
13	-	-			0.42	-
361	883	-	32.3	412		-
149	-	23	44.2			223	122

Heat Treatment of steel grade St44-3U

Heat treated : 1163°C - 1635°C

Technological Curves of steel grade St44-3U

No Curve

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

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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