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STS321HFB

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STS321FB STS321HTP
#STS321

Description

Korea KS D 3691 (2001), STS321HFB Specialsteel Stainless steel blooms and billets for forgings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS321HFB
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STS321HFB Austenite KS Korea Stainless steel blooms and billets for forgings

Chemical composition(mass fraction)(wt.%) of the STS321HFB

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 STS321HFB

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)
686 (≥) 536 (≥) 21 42 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade STS321HFB

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
11 - -     0.13 -  
252 872 - 13.3 212   -  
842 - 33 41.2   144 143

Heat Treatment of steel grade STS321HFB

Heat treated : 1137°C - 1428°C

Technological Curves of steel grade STS321HFB

Cross Reference Table (Equivalent Grade) of STS321HFB

Grade Standard Country Application
STS321
STS321

Relevant standard of STS321HFB

D 3691 (2001) Stainless steel blooms and billets for forgings D-3691-(2001).pdf
STS321FB STS321HTP
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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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