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STS317LTB

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STS317LN STS317LTPY
#STS317L

Description

Korea KS D 3577 (2007), STS317LTB Specialsteel Stainless steel for boiler and heat exchanger tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS317LTB
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STS317LTB Austenite KS Korea Stainless steel for boiler and heat exchanger tubes

Chemical composition(mass fraction)(wt.%) of the STS317LTB

C Si Mn P S Cr Ni Mo N
≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.030 18.00 -20.00 11.00 -15.00 3.00 -4.00 0.10 -0.22

Mechanical Properties of steel grade STS317LTB

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)
858 (≥) 734 (≥) 23 33 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade STS317LTB

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 - -     0.13 -  
397 384 - 44.3 212   -  
232 - 32 33.2   432 433

Heat Treatment of steel grade STS317LTB

Heat treated : 1589°C - 1323°C

Technological Curves of steel grade STS317LTB

Relevant standard of STS317LTB

D 3577 (2007) Stainless steel for boiler and heat exchanger tubes D-3577-(2007).pdf
STS317LN STS317LTPY
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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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