| Materialrd: | Austenitic Stainless Steel | Product: | SMLS Tubes |
|---|---|---|---|
| Standard: | ASTM A312/ASME SA312 | Grade: | UNS 31254 |
| Application: | Heat Exchanger / Boiler /Superheater Pipe，etc | Length: | Or As Required |
| Certificate: | ISO9001-2008， API 5L， API 5CT | Packing Details: | Ply-wooden Case /Iron Case/ Bundle With Plastic Cap |
ASTM A312 UNS 31254 SMLS Austenitic Stainless Steel Tubes
TONG CHUANG Group offers ASTM A312/ASME SA312 UNS 31254 SMLS austenitic stainless steel tubes with high quality which generally are used in heat exchangers， boilers， and other high-temperature application.
ASTM A312/ASME SA312 This specification covers seamless， straight-seam welded， and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.
Specifications
| Standard | ASTM A312/ASME SA312 |
| Name of Material | SMLS Tube， Austenitic Stainless Steel |
| Keywordas | Tubes for high pressure and high-temperature applications; Seamless / Welded austenitic steel pipes，etc |
| Size | OD 1/8"-48" or required by clientes |
| Length | length ≤12mts in container or required by clients |
| Quantity | Feet，metres，or number of lengths |
Advantages
1. ASTM A312 UNS 31254 tubes are highly resistant to corrosion， making them suitable for use in harsh environments such as chemical processing plants and offshore oil rigs.
2. These tubes have excellent mechanical properties， including high tensile strength and good toughness， which allows them to withstand high-pressure and high-temperature applications.
3. ASTM A312 UNS 31254 tubes are designed to have good heat resistance， making them suitable for use in extreme temperature conditions， such as cryogenic applications.
4. These tubes can be used in a wide range of applications， including chemical processing， oil and gas industries， and petrochemical plants. They are also suitable for use in marine environments due to their resistance to seawater corrosion.
5. ASTM A312 UNS 31254 tubes can be easily welded， bent， and fabricated， making them a convenient choice for various installation requirements.
6. Due to their corrosion resistance and high-strength properties， ASTM A312 UNS 31254 tubes have a long service life， reducing the need for frequent replacements and maintenance.
Overall， ASTM A312 UNS 31254 tubes offer a combination of corrosion resistance， strength， versatility， and longevity， making them a preferred choice for demanding applications in various industries.
Grade of ASTM A312/ ASME SA312 We Can Offer:
TP304，TP304L，TP304H，TP310S，TP310H，TP316L，TP316H，TP310S，TP310H，TP317，TP317L
TP321，TP321H，TP347，TP347H，TP904L，S30815， S31254，etc.
Test Required
Transverse Tension Tests / Flattening Test / Flaring Test / Etching Tests / Hardness Test
Chemical Composition max%
| UNS | C | Mn | P | S | Si | Cr | Ni | Mo | N | Cu |
| S31254 | 0.02 | 1 | 0.03 | 0.01 | 0.8 | 19.5-20.5 | 17.5-18.5 | 6.0-6.5 | 0.18-0.22 | 0.5-1 |
Annealing Requirements
| UNS | Heat Treating Temperature | Cooling/Testing Requirements |
| S31254 | 2100°F [1150°C] | Quenched in water or rapidly cooled by other means. |
Mechanical Property Nominal Wall Thickness=T
| T | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) |
t ≤ 0.187 in. | 310min | 675 min | 35 min |
t > 0.187 in. | 310min | 655 min | 35 min |
Applications
Offshore Oil Rigs
Chemical Processing Plants
Power Generation
Petrochemicals Industries
Gas Processing
Heavy-duty Applications
Marine Environments
Water Treartment Systems
Oil & Gas Industries
High Temperature Applications
Thermal Processing Equipment
