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STS321

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STS317J5L STS321TKA
#STS321

Description

Korea KS D 3692 (2001), D 3698 (2008), D 3702 (2008), D 3703 (2007), D 3705 (2008), D 3706 (2008), D 3749 (2008), STS321 Specialsteel Special alloys steel for chemical plant and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS321
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STS321 Austenite KS Korea Special alloys steel for chemical plant

Chemical composition(mass fraction)(wt.%) of the STS321

C Si Mn P S Cr Ni Mo N Ti
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 17.00 -19.00 9.00 -13.00 ≤ ≥ ≤ ≥ 5×C％ - ≥

Mechanical Properties of steel grade STS321

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)
178 (≥) 541 (≥) 42 12 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade STS321

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
42 - -     0.21 -  
554 925 - 13.3 223   -  
237 - 12 42.2   324 223

Heat Treatment of steel grade STS321

Heat treated : 1491°C - 1426°C

Technological Curves of steel grade STS321

Cross Reference Table (Equivalent Grade) of STS321

Grade Standard Country Application
STS321
STS321

Relevant standard of STS321

D 3692 (2001) Cold finished stainless steel bars D-3692-(2001).pdf
D 3698 (2008) Cold rolled stainless steel plates, sheets and strip D-3698-(2008).pdf
D 3702 (2008) Stainless steel wire rods D-3702-(2008).pdf
D 3703 (2007) Stainless steel wires D-3703-(2007).pdf
D 3705 (2008) Hot rolled stainless steel plates, sheets and strip D-3705-(2008).pdf
D 3706 (2008) Stainless steel bars D-3706-(2008).pdf
D 3749 (2008) Special alloys steel for chemical plant D-3749-(2008).pdf
STS317J5L STS321TKA
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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...

Rfq.: sales@longhaisteel.com
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