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SUS 321 TF

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SUS 321 TB SUS 321 TKA
#SUS-321

Description

Japan JIS G 3467 (2011), SUS 321 TF Specialsteel Steel tubes for fired heater and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUS 321 TF
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUS 321 TF Austenite JIS Japan Steel tubes for fired heater

Chemical composition(mass fraction)(wt.%) of the SUS 321 TF

C Si Mn P S Cr Ni Mo N Ti
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 17.00 -19.00 9.00 -13.00 ≤ ≥ ≤ ≥ 5×C％ - ≥

Mechanical Properties of steel grade SUS 321 TF

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)
611 (≥) 394 (≥) 33 14 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade SUS 321 TF

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 - -     0.42 -  
786 437 - 43.3 314   -  
545 - 43 32.2   211 441

Heat Treatment of steel grade SUS 321 TF

Heat treated : 1815°C - 1971°C

Technological Curves of steel grade SUS 321 TF

Relevant standard of SUS 321 TF

G 3467 (2011) Steel tubes for fired heater G-3467-(2011).pdf
SUS 321 TB SUS 321 TKA
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