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KS STS329J1 Details

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STS329J1 Application:Special alloys steel for chemical plant

Category Type Grade Microstructure Designations
Grades Stainless Steels STS329J1 Austenitic-Ferritic(Duplex steel) Korea - KS , D 3692 (2001) - Cold finished stainless steel bars
D 3698 (2008) - Cold rolled stainless steel plates, sheets and strip
D 3705 (2008) - Hot rolled stainless steel plates, sheets and strip
D 3706 (2008) - Stainless steel bars
D 3749 (2008) - Special alloys steel for chemical plant

Chemical composition(wt.%) of STS329J1 grade: D 3692 (2001)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn - 1.50
P - 0.040
S - 0.030
Cr 23.00 28.00
Ni 3.00 6.00
Mo 1.00 3.00
N - -
Special alloys steel for chemical plant

Mechanical properties of grade STS329J1 D 3692 (2001)

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)
474 (≥) 498 (≥) 32 11 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical properties of grade STS329J1 D 3692 (2001)

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
998 (≥) 776 (≥) 23 24 42 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
924 168 986

STS329J1 - 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
STS329J1 KS Korea
Special alloys steel for chemical plant
STS329J1TB KS Korea
Stainless steel for boiler and heat exchanger tubes
STS329J1TPY KS Korea
Large diameter welded stainless steel pipes
STS329J1FB KS Korea
Stainless steel blooms and billets for forgings
STS329J1TP KS Korea
Stainless lined steel pipe

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