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Description

Korea KS D 3692 (2001), D 3698 (2008), D 3702 (2008), D 3703 (2007), D 3705 (2008), D 3706 (2008), STS309S Specialsteel Stainless steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS309S
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STS309S Austenite KS Korea Stainless steel bars

Chemical composition(mass fraction)(wt.%) of the STS309S

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 STS309S

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)
519 (≥) 172 (≥) 14 24 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade STS309S

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 - -     0.12 -  
243 841 - 41.3 433   -  
581 - 13 44.2   422 234

Heat Treatment of steel grade STS309S

Heat treated : 1569°C - 1688°C

Technological Curves of steel grade STS309S

Relevant standard of STS309S

D 3692 (2001) Cold finished stainless steel bars D-3692-(2001).pdf
D 3698 (2008) Cold rolled stainless steel plates, sheets and strip D-3698-(2008).pdf
D 3702 (2008) Stainless steel wire rods D-3702-(2008).pdf
D 3703 (2007) Stainless steel wires D-3703-(2007).pdf
D 3705 (2008) Hot rolled stainless steel plates, sheets and strip D-3705-(2008).pdf
D 3706 (2008) Stainless steel bars D-3706-(2008).pdf

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