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JIS SUS 329J 3LTP Details

SUS 329J 3LTP Application:Stainless steel pipes

Category Type Grade Microstructure Designations
Grades Stainless Steels SUS 329J 3LTP Austenitic-Ferritic(Duplex steel) Japan - JIS , G 3459 (2012) - Stainless steel pipes

Chemical composition(wt.%) of SUS 329J 3LTP grade: G 3459 (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Si - 1.00
Mn - 2.00
P - 0.04
S - 0.03
Cr 21.00 24.00
Ni 4.50 6.50
Mo 2.50 3.50
N 0.08 0.20
Stainless steel pipes

Mechanical properties of grade SUS 329J 3LTP G 3459 (2012)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
282 (≥) 255 (≥) 13 31 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical properties of grade SUS 329J 3LTP G 3459 (2012)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
313 (≥) 319 (≥) 14 21 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 122
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
672 169 142

SUS 329J 3LTP - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
KSUS329J3L NKK Japan
Rolled Stainless Steels
SUS 329J 3L JIS Japan
Stainless steel bars
SUS 329J 3LTB JIS Japan
Stainless steel boiler and heat exchanger tubes
SUS 329J 3LTP JIS Japan
Stainless steel pipes
SUS 329J3 LTPY JIS Japan
Large diameter welded stainless steel pipes

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