Location » Home » Grades > Stainless Steels > STS304LTB

KS STS304LTB Details

Tags

STS304LTB Application:Stainless steel for boiler and heat exchanger tubes

Category Type Grade Microstructure Designations
Grades Stainless Steels STS304LTB Austenite Korea - KS , D 3577 (2007) - Stainless steel for boiler and heat exchanger tubes

Chemical composition(wt.%) of STS304LTB grade: D 3577 (2007)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.030
Cr 18.00 20.00
Ni 9.00 13.00
Mo - -
N - -
Stainless steel for boiler and heat exchanger tubes

Mechanical properties of grade STS304LTB D 3577 (2007)

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)
333 (≥) 381 (≥) 23 23 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical properties of grade STS304LTB D 3577 (2007)

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
351 (≥) 871 (≥) 13 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 324
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
618 767 771

STS304LTB - 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
STS304L KS Korea
Special alloys steel for chemical plant
STS304LTB KS Korea
Stainless steel for boiler and heat exchanger tubes
STS304LTBS KS Korea
Stainless steel sanitary pipes
STS304LTPY KS Korea
Large diameter welded stainless steel pipes
STS304LWSA KS Korea
Stainless steel wires for cold heading and cold forging
STS304LWSB KS Korea
Stainless steel wires for cold heading and cold forging
STS304LCA KS Korea
Cold - rolled formed stainless steel equal leg angles
STS304LFB KS Korea
Stainless steel blooms and billets for forgings
STS304LTP KS Korea
Stainless lined steel pipe
STS304LN KS Korea
Stainless steel bars

Enquiry