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STS321TKA

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STS321 STS321HTB
#STS321

Description

Korea KS D 3536 (2008), STS321TKA Specialsteel Stainless steel pipes for machine and structural purposes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS321TKA
Category Class Grade Standard Country Application
Steel GradesSpecialsteel STS321TKA KS Korea Stainless steel pipes for machine and structural purposes

Chemical composition(mass fraction)(wt.%) of the STS321TKA

C Si Mn P S Cr Ni Mo N Ti
≤0.08 ≤1.00 ≤2.00 ≤0.040 ≤0.030 17.00 -19.00 9.00 -13.00 ≤ ≥ ≤ ≥ 5×C％ - ≥

Mechanical Properties of steel grade STS321TKA

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)
766 (≥) 848 (≥) 13 14 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade STS321TKA

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 - -     0.31 -  
143 263 - 43.3 124   -  
857 - 43 34.2   443 113

Heat Treatment of steel grade STS321TKA

Heat treated : 1422°C - 1581°C

Technological Curves of steel grade STS321TKA

Cross Reference Table (Equivalent Grade) of STS321TKA

Grade Standard Country Application
STS321
STS321

Relevant standard of STS321TKA

D 3536 (2008) Stainless steel pipes for machine and structural purposes D-3536-(2008).pdf
STS321 STS321HTB
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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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