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STS304LTB

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STS304L STS304LTBS
#STS304L

Description

Korea KS D 3577 (2007), STS304LTB Specialsteel Stainless steel for boiler and heat exchanger tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS304LTB
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STS304LTB Austenite KS Korea Stainless steel for boiler and heat exchanger tubes

Chemical composition(mass fraction)(wt.%) of the STS304LTB

C Si Mn P S Cr Ni Mo N
≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.030 18.00 -20.00 9.00 -13.00 ≤ ≥ ≤ ≥

Mechanical Properties of steel grade STS304LTB

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)
675 (≥) 261 (≥) 22 14 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade STS304LTB

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
44 - -     0.23 -  
982 569 - 32.3 123   -  
345 - 33 33.2   444 132

Heat Treatment of steel grade STS304LTB

Heat treated : 1469°C - 1143°C

Technological Curves of steel grade STS304LTB

Relevant standard of STS304LTB

D 3577 (2007) Stainless steel for boiler and heat exchanger tubes D-3577-(2007).pdf
STS304L STS304LTBS
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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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