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STSF321H

Favorite Datasheet
STSF321 STSF347
#STSF321H

Description

Korea KS D 4115 (2001), STSF321H Specialsteel Stainless steel forgings for pressure vessels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STSF321H
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STSF321H Austenite KS Korea Stainless steel forgings for pressure vessels

Chemical composition(mass fraction)(wt.%) of the STSF321H

C Si Mn P S Cr Ni Mo Ti
0.04 -0.10 ≤1.00 ≤2.00 ≤0.040 ≤0.030 17.00 -20.00 9.00 -13.00 ≤ ≥ 4×C％ -0.60

Mechanical Properties of steel grade STSF321H

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)
876 (≥) 122 (≥) 31 43 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade STSF321H

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 - -     0.32 -  
918 769 - 21.3 233   -  
852 - 33 31.2   334 123

Heat Treatment of steel grade STSF321H

Heat treated : 1665°C - 1517°C

Technological Curves of steel grade STSF321H

Relevant standard of STSF321H

D 4115 (2001) Stainless steel forgings for pressure vessels D-4115-(2001).pdf
STSF321 STSF347
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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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