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STS321TKA

Description

Korea KS STS321TKA KS standard mechanical and structure with stainless steel pipe(KS D3536-1992) and STS321TKA Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: STS321TKA
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy STS321TKA KS Korea KS standard mechanical and structure with stainless steel pipe(KS D3536-1992)
STS316J1
STS316J1L
STS317
STS317L
STS317J1
STS317J4L
STS304TKA
STS304TKC
STS316TKA
STS316TKC

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

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Ti(%)
Max 0.08 Max 1.00 Max 2.00 Max 0.04 Max 0.03 17.0-19.0 9.00-13.0 2.00-3.00 Min 5xC%

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)
127 (≥) 362 (≥) 41 23 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

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
24 - -     0.12 -  
766 774 - 14.3 141   -  
466 - 33 43.2   322 413

Heat Treatment of steel grade STS321TKA

Heat treated : 1292°C - 1367°C

Technological Curves of steel grade STS321TKA

Cross Reference Table (Equivalent Grade) of STS321TKA

Grade Standard Country Application
STS321TKA KS Korea KS standard mechanical and structure with stainless steel pipe(KS D3536-1992)

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