ASTM A312 253MA Stainless Steel Seamless Tube
ASTM A312 253MA Stainless Steel Seamless Tube
316L stainless steel coil is an austenitic low-carbon steel. Due to its high molybdenum content and low carbon content, it exhibits excellent corrosion resistance, especially in chloride-rich environments. Its main advantages include excellent weldability (extremely low risk of carbide precipitation), good mechanical strength, and toughness, making it ideal for demanding applications such as chemical, shipbuilding, and food processing. Depending on the application, its surface treatment processes range from basic hot-rolling finishes to polishing and other special surface treatments.
What are the properties of 316L stainless steel?
Due to its higher nickel and molybdenum content, this grade of stainless steel is more resistant to pitting and crevice corrosion than 304 stainless steel. Furthermore, 316/316L stainless steel exhibits excellent tensile strength, creep strength, and stress fracture strength at high temperatures, while also possessing excellent formability and weldability.
ASTM A312 S30815 stainless steel tube is a high-performance seamless austenitic stainless steel tube designed for extreme high-temperature oxidizing environments. It exhibits excellent and long-lasting oxidation and scaling resistance in air-fired environments, and is particularly suitable for high-temperature ranges from 900°C to 1100°C.
ASTM A312 S30815 Stainless Steel Seamless Pipe Chemical Composition
| Grade |
C max |
Si max |
Mn max |
P max |
S max |
Cr | Ni | Mo | N |
| S30815 | 0.05~0.10 | 1.4~2.0 | 0.80 | 0.030 | 0.030 | 20.0-22.0 | 10.0-12.0 | / | 0.14-0.20 |
ASTM A312 S30815 Stainless Steel Seamless Pipe Physical properties
| Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (mm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat | Electrical Resistivity (nW.m) | |||
| 0-100°C | 0-600°C | 0-1000°C | at 20°C | at 1000°C | 0-100°C (J/kg.K) | |||
| 7800 | 200 | 17 | 18.5 | 19.5 | 15 | 29 | 500 | 850 |
ASTM A312 S30815 Stainless Steel Seamless Pipe Mechanical properties
| Tensile Str (MPa) min | Yield Str 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | |||
| 600 | 310 | 40 | 95 | 217 |
What are the main application areas of ASTM A312 S30815 stainless steel tubes?
Heat Treatment Industry: Radiant tubes, guide rails, furnace rollers (non-high load), annealing furnaces, carburizing furnaces, quenching furnaces, and tempering furnaces for heat exchangers.
Ceramics and Glass Industry: Kiln roller bottoms, heat exchangers, and burner lances.
Steel Industry: Furnace rollers, radiant tubes, and annealing hoods for continuous annealing furnaces (CAL) and hot-dip galvanizing lines (CGL).
Waste Incineration: Grate, superheater tube supports, and flue gas heat exchangers.
Petrochemical Industry: High-temperature heat exchangers (air preheaters), converter tube supports, low-temperature convection section components for pyrolysis furnaces (temperature < N08811 applicable range), high-temperature ducts, and high-temperature valve components.
Power Industry: Superheater suspension systems, supports, and sealing plates for biomass/waste-to-energy boilers; gas turbine combustion chamber linings.
Others: High-temperature fasteners and high-temperature sensor sleeves.
Gnee Steel specializes in the production of a wide range of stainless steel products. Gnee Steel's product packaging includes: Steel Strapping: Pipes with an outer diameter of 3 inches or less are typically strapped together with polypropylene film to prevent rust during ocean shipping, and then secured with steel strapping. Wooden Cases/Crates: Pipes are typically packaged in wooden cases or crates to protect the pipes during transportation, especially those that are longer or have larger diameters. Seaworthy Export Packaging: Suppliers typically use standard seaworthy export packaging methods, which may include a variety of materials and techniques to protect the pipes during transportation. Tarpaulin Packaging: This prevents rain, seawater, and other external factors from penetrating the export crates during transportation. Gnee Steel specializes in the production and sale of alloy materials. Gnee Steel's products are widely used in the aerospace, chemical, power, automotive, and nuclear energy sectors, and we can provide customized alloy material solutions based on customer needs. For alloy material pricing or customized alloy material solutions, please contact us for a quote: ru@gneesteelgroup.com
