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SUS 321

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Japan JIS SUS321 不锈钢棒 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SUS321 / SUS 321
Category Grade Standard Region/Area Standard Content
Metals SUS 321 JIS G4303 Japan 不锈钢棒

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

Element Min Max Similar
Ti - - -
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 9.0000 13.0000 -
Mn - 2.0000 -
Cr 17.0000 19.0000 -
C - 0.0800 -
Ti - - -
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 9.0000 13.0000 -
Mn - 2.0000 -
Cr 17.0000 19.0000 -
C - 0.0800 -
Ti - - -
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 9.0000 13.0000 -
Mn - 2.0000 -
Cr 17.0000 19.0000 -
C - 0.0800 -
Ti - - -
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 9.0000 13.0000 -
Mn - 2.0000 -
Cr 17.0000 19.0000 -
C - 0.0800 -
Ti - - -
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 9.0000 13.0000 -
Mn - 2.0000 -
Cr 17.0000 19.0000 -
C - 0.0800 -

Mechanical Properties of steel grade SUS 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)
594 (≥) 288 (≥) 11 34 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade SUS 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
34 - -     0.11 -  
391 939 - 14.3 122   -  
136 - 12 24.2   324 433

Heat Treatment of steel grade SUS 321

Heat treated : 1574°C - 1935°C

Technological Curves of steel grade SUS 321

Cross Reference Table (Equivalent Grade) of SUS 321

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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