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JIS SUS 309S Details

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SUS 309S Application:Stainless steel wires

Category Type Grade Microstructure Designations
Grades Stainless Steels SUS 309S Austenite Japan - JIS , G 4309 (1999) - Stainless steel wires

Chemical composition(wt.%) of SUS 309S grade: G 4309 (1999)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 22.00 24.00
Ni 12.00 15.00
Mo - -
N - -
Stainless steel wires

Mechanical properties of grade SUS 309S G 4309 (1999)

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)
613 (≥) 655 (≥) 22 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical properties of grade SUS 309S G 4309 (1999)

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
452 (≥) 151 (≥) 11 13 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 431
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
852 569 723

SUS 309S - 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
SUS 309 STB JIS Japan
Stainless steel boiler and heat exchanger tubes
SUS 309 STP JIS Japan
Stainless steel pipes
SUS 309S JIS Japan
Stainless steel bars
SUS 309S JIS Japan
Hot-rolled stainless steel plates, sheet and strip
SUS 309S JIS Japan
Cold-rolled stainless steel plate, sheet and strip
SUS 309S JIS Japan
Stainless steel wire rods
SUS 309S JIS Japan
Stainless steel wires
SUS 309S JIS Japan
Heat-resisting steel bars and wire rods
SUS 309S JIS Japan
Heat-resisting steel plate, sheet and strip
SUS 309S JIS Japan
Cold finished stainless steel bars
SUS 309S TPY JIS Japan
Large diameter welded stainless steel pipes
KSUS309S NKK Japan
Rolled Stainless Steels
SUS 309STP JIS Japan
Stainless steel pipes
SUS 309STP Y JIS Japan
Large diameter welded stainless steel pipes

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