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STSF304

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STS631J1 STSF304H
#STSF304

Description

Korea KS D 4115 (2001), STSF304 Specialsteel Stainless steel forgings for pressure vessels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STSF304
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STSF304 Austenite KS Korea Stainless steel forgings for pressure vessels

Chemical composition(mass fraction)(wt.%) of the STSF304

C Si Mn P S Cr Ni Mo
≤0.08 ≤1.00 ≤2.00 ≤0.040 ≤0.030 18.00 -20.00 8.00 -11.00 ≤ ≥

Mechanical Properties of steel grade STSF304

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)
115 (≥) 884 (≥) 12 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade STSF304

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
34 - -     0.11 -  
148 315 - 41.3 221   -  
912 - 33 12.2   343 214

Heat Treatment of steel grade STSF304

Heat treated : 1254°C - 1442°C

Technological Curves of steel grade STSF304

Relevant standard of STSF304

D 4115 (2001) Stainless steel forgings for pressure vessels D-4115-(2001).pdf
STS631J1 STSF304H
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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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