Home > Stainless Steel > Stainless Steel 310 and 310S Seamless Pipes
**Maria Pipes and Tubes**, located in Kuala Lumpur, Malaysia, stands out as a premier manufacturer and supplier of **Stainless Steel 310 and 310S Seamless Pipes**. Our pipes are meticulously crafted using both seamless and welded techniques, all while adhering to international standards like ASTM A312 / ASME SA312. This ensures they perform exceptionally well in high-temperature and corrosive environments. We provide a diverse selection of sizes, ranging from small-diameter tubes to large structural sections, and offer various finishes and end preparations tailored to your specific engineering requirements.
Stainless Steel 310 and 310S Seamless Pipes are mainly made of chromium (24-26%) and nickel (19-22%), providing good oxidation resistance and high thermal properties Their mechanical characteristics include a yield strength of 205 MPa, 200 . tensile strength of 510 MPa and elongation of 40%. These pipes provide excellent corrosion and corrosion resistance, making them ideal for high-temperature applications, such as furnaces and heating appliances Advantages include exceptional durability, ease of construction and portability strongly in challenging environments, making them desirable in a variety of industries.
Range : 6NB to 1200NB
Outer Diameter : 1/8″ NPS to 12″ NPS
Thickness : 0.6 mm to 12.7 mm
Schedules : SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS.
Length : Single Random, Double Random & Cut Length
Specifications : ASTM A312 / ASTM SA312
Types : Round, Square, Rectangle, Hydraulic, Honed Tubes
End : Plain End, Beveled End
| STANDARD | UNS | WERKSTOFF NR. |
| SS 310 | S31000 | 1.4841 |
| SS 310S | S31008 | 1.4845 |
| Ni | 19 – 22 | 19 – 22 |
| Fe | Balance | Balance |
| Cr | 24 – 26 | 24 – 26 |
| C | 0.25 max | 0.08 max |
| Si | 1.50 max | 1.50 max |
| Mn | 2 max | 2 max |
| P | 0.045 max | 0.045 max |
| S | 0.030 max | 0.03 max |
| Grade | 310 | 310S |
| Tensile Strength (MPa) min | 515 | 515 |
| Yield Strength 0.2% Proof (MPa) min | 205 | 205 |
| Elongation (% in 50mm) min | 40 | 40 |
| Hardness | ||
| Rockwell B (HR B) max | 95 | 95 |
| Brinell (HB) max | 217 | 217 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
**Grade 310** boasts a chemical makeup of 24–26% chromium and 19–21% nickel, which gives it remarkable oxidation and heat resistance. On the other hand, **Grade 310S**, with its lower carbon content (≤0.08%), enhances weldability and minimizes the risk of sensitization and intergranular corrosion after welding. Both grades are known for their impressive mechanical properties, including a tensile strength of about 515 MPa, a yield strength of roughly 205 MPa, and an elongation of 40%. They also maintain a density of around 7.9 g/cm³ and a melting point close to 1400 °C.
**Applications** for these pipes are extensive, particularly in high-temperature and demanding environments. They are widely utilized in **heat treatment furnaces, boiler systems, superheaters, radiant tubes**, and components that undergo thermal cycling. Their excellent resistance to oxidation and corrosion makes them perfect for industries such as petrochemical, pharmaceutical, power generation, and marine. Notably, Grade 310S is especially suited for applications where welding integrity is paramount.
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 310 | S31000 | 310S24 | – | 1.4841 | X15CrNi25-20 | – | SUH 310 |
| 310S | S31008 | 310S16 | – | 1.4845 | X8CrNi25-21 | 2361 | SUS 310S |
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 310 and 310S | 7750 | 200 | 15.9 | 16.2 | 17.0 | 14.2 | 18.7 | 500 | 720 |
Yes, we offer custom sizes for Stainless Steel 310 and 310S Seamless Pipes to meet your specific requirements. Our team at Maria Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@mariapipes.com.
Stainless Steel 310 and 310S Seamless Pipes are widely used at high temperatures due to their excellent anti-oxidation properties and common industrial applications are to build power plants, petrochemical industries and heat exchangers. Their ability to withstand harsh environmental conditions makes them suitable for furnace components, chemical processing systems and air filters. In addition, this type of pipe is used in the food and pharmaceutical industries, where hygiene and corrosion resistance are required. The versatility of 310 and 310S stainless steel makes it ideal for both construction and industrial applications.
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