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CNS 321

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CNS 317J1 CNS 347
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Description

China CNS CNS 321 CNS standard stainless steel austenite size and CNS 321 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: CNS 321
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy CNS 321 CNS China CNS standard stainless steel austenite size
CNS 310S
CNS 316
CNS 316L
CNS 316N
CNS 316LN
CNS 316J1
CNS 316J1L
CNS 317
CNS 317L
CNS 317J1

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Ti(%)
Max 0.08 Max 1.00 Max 2.00 Max 0.045 Max 0.030 17.00-19.00 9.00-13.00 Max 5xC%

Mechanical Properties of steel grade CNS 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)
583 (≥) 815 (≥) 11 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade CNS 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
32 - -     0.23 -  
411 574 - 24.3 112   -  
131 - 11 11.2   144 341

Heat Treatment of steel grade CNS 321

Heat treated : 1659°C - 1811°C

Technological Curves of steel grade CNS 321

Cross Reference Table (Equivalent Grade) of CNS 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 UK austenitic special steel
321S51(1010) UK austenitic special steel
321S51(1105) UK austenitic special steel
321S31 UK austenitic special steel
A35-586 321F20 AFNOR France Resistant to high boron steel(NF A 36-580(1983))
STS321 KS Korea Austenitic Steel
STS321 KS Korea Austenitic Steel
CNS 321 CNS China CNS standard stainless steel austenite size
STS321TKA KS Korea 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 GBT China Stainless steel bars
E8321 UNE Spain Spain structural alloy steel
411321 CSN Czech Republic The Czech republic Structural steel
11321 CSN Czech Republic The Czech republic Structural steel
CNS 317J1 CNS 347
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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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