STS304LTB Enquiry | Print this page
KS STS304LTB Details
KS STS304LTB Standard Download
Category | Type | Grade | Microstructure | Designations |
---|---|---|---|---|
Grades | Stainless Steels | STS304LTB | Austenite | Korea - KS , D 3577 (2007) - Stainless steel for boiler and heat exchanger tubes |
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 | - | - |
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 |
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 |
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 |
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 |