SUS 329J3 LTPY Stainless Steels to G 3468 (2011)

SUS 329J3 LTPY - Specification & Application

  • G 3468 (2011) - Large diameter welded stainless steel pipes

Large diameter welded stainless steel pipes

Chemical composition(wt.%) of SUS 329J3 LTPY grade: to G 3468 (2011)

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

SUS 329J3 LTPY - Detail

Large diameter welded stainless steel pipes

Mechanical properties of grade SUS 329J3 LTPY G 3468 (2011)

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)
227 (≥) 144 (≥) 33 41 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical properties of grade SUS 329J3 LTPY G 3468 (2011)

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
275 (≥) 228 (≥) 33 21 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 323
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
947 583 673

Equivalent Products

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