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STS444

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STS436J1L STS444TB
#STS444

Description

Korea KS D 3698 (2008), D 3705 (2008), STS444 Specialsteel Hot rolled stainless steel plates, sheets and strip and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS444
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STS444 Ferrite KS Korea Hot rolled stainless steel plates, sheets and strip

Chemical composition(mass fraction)(wt.%) of the STS444

C Si Mn P S Cr Ni Mo N Ti,Nb,Zr
≤0.025 ≤1.00 ≤1.00 ≤0.040 ≤0.030 17.00 -20.00 ≤0.60 1.75 -2.50 ≤0.025 8×(C％+N％) -0.80

Mechanical Properties of steel grade STS444

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
473 (≥) 386 (≥) 33 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade STS444

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 -  
317 464 - 32.3 312   -  
329 - 13 11.2   133 212

Heat Treatment of steel grade STS444

Heat treated : 1517°C - 1436°C

Technological Curves of steel grade STS444

Relevant standard of STS444

D 3698 (2008) Cold rolled stainless steel plates, sheets and strip D-3698-(2008).pdf
D 3705 (2008) Hot rolled stainless steel plates, sheets and strip D-3705-(2008).pdf
STS436J1L STS444TB
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Jiangyou Longhai Special Steel Co.,Ltd.
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...

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