Available 24/7 at sales@steel-grades.com

Description

321 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: 321
Category Type Steel Grade Standard Country Application
Steel GradesStainless Steel 321
S31703
317LM
S31725
317LMN
S31726
S31727
317LN
S31753
S32050
S32053

Chemical composition(mass fraction)(wt.%) of the 321

C
Si
Mn
P
S
Cr Ni
 0.08 1.00  2.00  0.045  0.030  17.0-19.0  9.0-12.0 
Mo Al Cu Nb Ti V Ce
        5*(C+N)~0.70     
N Co Pb B Other    
 0.10            
             

Mechanical Properties of steel grade 321

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)
534 (≥) 772 (≥) 43 32 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade 321

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
31 - -     0.14 -  
456 782 - 41.3 234   -  
484 - 42 43.2   241 132

Heat Treatment of steel grade 321

Heat treated : 1738°C - 1411°C

Technological Curves of steel grade 321

Cross Reference Table (Equivalent Grade) of 321

Grade Standard Country Application
SUS321FB JIS Japan austenitic special steel
SUS321HFB JIS Japan austenitic special steel
SUS321LTP JIS Japan austenitic special steel
SUS321HTP JIS Japan austenitic special steel
SUS321TKA JIS Japan ferritic stainless steel
321S31 austenitic special steel
321S51(1010) austenitic special steel
321S51(1105) austenitic special steel
321S31 austenitic special steel
A35-586 321F20 AFNOR France Resistant to high boron steel(NF A 36-580(1983))
STS321 Austenitic Steel
STS321 Austenitic Steel
CNS 321 China CNS standard stainless steel austenite size
STS321TKA KS standard mechanical and structure with stainless steel pipe(KS D3536-1992)
SS 2321 SS Sweden Swedish SS standard stainless steel and heat resistant steel
S32168 UNS USA Stainless steel bars
S32169 China Stainless steel bars
E8321 Spain structural alloy steel
411321 The Czech republic Structural steel
11321 The Czech republic Structural steel

Available Suppliers

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
  • Do you supply this 321?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top