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STS321TPY

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STS321TF STS321FB
#STS321

Description

Korea KS D 3588 (2009), STS321TPY Specialsteel Large diameter welded stainless steel pipes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS321TPY
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STS321TPY Austenite KS Korea Large diameter welded stainless steel pipes

Chemical composition(mass fraction)(wt.%) of the STS321TPY

C Si Mn P S Cr Ni Mo N Ti
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 17.00 -19.00 9.00 -13.00 ≤ ≥ ≤ ≥ 5×C％ - ≥

Mechanical Properties of steel grade STS321TPY

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)
694 (≥) 342 (≥) 33 42 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade STS321TPY

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
23 - -     0.21 -  
174 718 - 14.3 324   -  
641 - 43 43.2   232 221

Heat Treatment of steel grade STS321TPY

Heat treated : 1183°C - 1217°C

Technological Curves of steel grade STS321TPY

Cross Reference Table (Equivalent Grade) of STS321TPY

Grade Standard Country Application
STS321
STS321

Relevant standard of STS321TPY

D 3588 (2009) Large diameter welded stainless steel pipes D-3588-(2009).pdf
STS321TF STS321FB
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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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