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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)
518 (≥) 141 (≥) 41 33 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

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
24 - -     0.41 -  
413 312 - 24.3 123   -  
225 - 43 13.2   132 323

Heat Treatment of steel grade STSF321H

Heat treated : 1879°C - 1475°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.
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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