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STS309STPY

Description

Korea KS D 3588 (2009), STS309STPY Specialsteel Large diameter welded stainless steel pipes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS309STPY
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STS309STPY Austenite KS Korea Large diameter welded stainless steel pipes

Chemical composition(mass fraction)(wt.%) of the STS309STPY

C Si Mn P S Cr Ni Mo N
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 22.00 -24.00 12.00 -15.00 ≤ ≥ ≤ ≥

Mechanical Properties of steel grade STS309STPY

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 (≥) 657 (≥) 13 41 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade STS309STPY

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
41 - -     0.41 -  
927 155 - 23.3 112   -  
755 - 14 24.2   112 421

Heat Treatment of steel grade STS309STPY

Heat treated : 1174°C - 1999°C

Technological Curves of steel grade STS309STPY

Relevant standard of STS309STPY

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

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