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STS347HTF

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STS347HTB STS347TB
#STS347

Description

Korea KS D 3587 (1991), STS347HTF Specialsteel Steel tubes for fired heater and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS347HTF
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STS347HTF Austenite KS Korea Steel tubes for fired heater

Chemical composition(mass fraction)(wt.%) of the STS347HTF

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 STS347HTF

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)
235 (≥) 318 (≥) 22 23 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade STS347HTF

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
43 - -     0.12 -  
639 785 - 14.3 313   -  
679 - 14 14.2   413 244

Heat Treatment of steel grade STS347HTF

Heat treated : 1677°C - 1529°C

Technological Curves of steel grade STS347HTF

Cross Reference Table (Equivalent Grade) of STS347HTF

Grade Standard Country Application
STS347
STS347

Relevant standard of STS347HTF

D 3587 (1991) Steel tubes for fired heater D-3587-(1991).pdf
STS347HTB STS347TB
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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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