Available 24/7 at sales@steel-grades.com

Description

Korea KS STS303 KS standard austenite stainless steel bars(KS D3706-1992) and STS303 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: STS303
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy STS303 KS Korea KS standard austenite stainless steel bars(KS D3706-1992)
Martensite 4
Martensite 11
Martensite 600
Martensite 616
Austenitic 309
STS317LN
STS201
STS 202
STS301
STS302

Chemical composition(mass fraction)(wt.%) of the STS303

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%)
Max 0.15 Max 1.00 Max 2.00 Max 0.2 Max 0.15 17.0-19.0 Max 0.60

Mechanical Properties of steel grade STS303

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)
437 (≥) 412 (≥) 34 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade STS303

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
44 - -     0.23 -  
238 599 - 13.3 433   -  
535 - 31 22.2   222 142

Heat Treatment of steel grade STS303

Heat treated : 1275°C - 1172°C

Technological Curves of steel grade STS303

Cross Reference Table (Equivalent Grade) of STS303

Grade Standard Country Application
STS303 KS Korea KS standard austenite stainless steel bars(KS D3706-1992)
STS303Se KS Korea KS standard austenite stainless steel bars(KS D3706-1992)

Available Suppliers

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...

Rfq.: sales@longhaisteel.com
  • Do you supply this STS303?
  • List your company on S&G now? Join
  • Non-paying users only
Top