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STS303Se

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STS303Cu STS304
#STS303Se

Description

Korea KS D 3692 (2001), D 3702 (2008), D 3703 (2007), D 3706 (2008), D 7202 (2004), STS303Se Specialsteel Free - machining stainless steel wire and wire rods and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS303Se
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STS303Se Austenite KS Korea Free - machining stainless steel wire and wire rods

Chemical composition(mass fraction)(wt.%) of the STS303Se

C Si Mn P S Cr Ni Mo N Se
≤0.15 ≤1.00 ≤2.00 ≤0.20 ≤0.06 17.00 -19.00 8.00 -10.00 ≤ ≥ ≤ ≥ ≤0.15

Mechanical Properties of steel grade STS303Se

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)
458 (≥) 342 (≥) 14 31 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade STS303Se

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
21 - -     0.21 -  
558 742 - 23.3 112   -  
445 - 42 11.2   434 412

Heat Treatment of steel grade STS303Se

Heat treated : 1769°C - 1855°C

Technological Curves of steel grade STS303Se

Relevant standard of STS303Se

D 3692 (2001) Cold finished stainless steel bars D-3692-(2001).pdf
D 3702 (2008) Stainless steel wire rods D-3702-(2008).pdf
D 3703 (2007) Stainless steel wires D-3703-(2007).pdf
D 3706 (2008) Stainless steel bars D-3706-(2008).pdf
D 7202 (2004) Free - machining stainless steel wire and wire rods D-7202-(2004).pdf
STS303Cu STS304
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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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