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STS347TF

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STS347TB STS347TPY
#STS347

Description

Korea KS D 3587 (1991), STS347TF Specialsteel Steel tubes for fired heater and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS347TF
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STS347TF Austenite KS Korea Steel tubes for fired heater

Chemical composition(mass fraction)(wt.%) of the STS347TF

C Si Mn P S Cr Ni Mo N Nb
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 17.00 -19.00 9.00 -13.00 ≤ ≥ ≤ ≥ 10×C％ - ≥

Mechanical Properties of steel grade STS347TF

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)
444 (≥) 123 (≥) 44 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade STS347TF

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 - -     0.21 -  
293 782 - 34.3 142   -  
275 - 22 31.2   242 211

Heat Treatment of steel grade STS347TF

Heat treated : 1963°C - 1223°C

Technological Curves of steel grade STS347TF

Cross Reference Table (Equivalent Grade) of STS347TF

Grade Standard Country Application
STS347
STS347

Relevant standard of STS347TF

D 3587 (1991) Steel tubes for fired heater D-3587-(1991).pdf
STS347TB STS347TPY
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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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