Metinox Overseas offers Stainless Steel 310H Welded Pipes designed for use in harsh conditions with extreme temperatures and pressures, emphasizing the need for strength and resistance to corrosion under such conditions. These SS 310H stainless steel weld pipes meet the ASTM A312/SA312 standards as well as ASTM A358 with excellent quality materials and processes to ensure accurate dimensions as well as strength. These stainless steel weld pipes exhibit higher carbon content compared to the standard SS 310 stainless steel, with the UNS S31009 grade showing excellent resistance to creep properties, making them ideal for use in applications under extreme temperatures.
These welded pipes have a remarkable ability to withstand oxidation and scaling even at 1035�C in an intermittent service and 1150�C in a continuous service. The composition of the alloy, with a perfectly balanced mixture of chromium and nickel, makes it highly corrosion-resistant and able to withstand the highest level of operating conditions. At Metinox Overseas, it is ensured that all the stainless steel 310H welded pipes supplied to the clients after manufacturing are properly tested for quality and are clearly marked. These welded pipes are supplied to the international market and to the domestic market for the purposes of petrochemicals, power plants, furnaces, heat exchangers, refineries, and chemical plants.
| Specification Parameter | Technical Details & Range |
| Standard | ASTM A312 / ASME SA312 |
| Pipe Type | Welded (ERW, EFW, or Plasma Arc Welded) |
| Size Range | 1/2" NB to 24" NB |
| Outside Diameter (OD) | 6.00 mm to 914.4 mm |
| Thickness Range | 0.3 mm to 50 mm |
| Schedules | SCH 5, 10, 40, 80, 80S, 160, XS, XXS |
| Form | Round, Square, and Rectangular Pipes |
| Length | Single Random, Double Random, and Cut-to-Length |
| End Type | Plain End (PE), Beveled End (BE), Threaded |
| Surface Finish | 2B, No.1, No.4, No.8 Mirror Finish; Custom Polishing |
| Delivery Condition | Annealed & Pickled, Polished, Bright Annealed, Cold Drawn |
| EN 10216-5 (Equivalent) | 310H Welded Steel Pipes (1.4845) for Pressure Purposes |
| EN 10217-7 (Equivalent) | 310H Welded Steel Pipes (1.4845) for Pressure Purposes |
| Grade | C (%) | Mn (%) | Si (%) | P (%) | S (%) | Cr (%) | Mo (%) | Ni (%) | Fe (%) |
| SS 310H | 0.04 - 0.10 | 2.00 max | 1.00 max | 0.045 max | 0.030 max | 24.00 - 26.00 | � | 19.00 - 21.00 | 53.885 min |
| Grade | Tensile Strength (min) | Yield Strength (0.2% Proof) (min) | Elongation (min) | Hardness (HRB) max | Hardness (HB) max |
| SS 310H | 75,000 psi / 515 MPa | 30,000 psi / 205 MPa | 40% | 95 | 217 |
| Physical Property | Value / Metric Units |
| Density | 8000 kg/m� |
| Elastic Modulus | 193 GPa |
| Mean Coeff. of Thermal Expansion (0-100 �C) | 17.2 �m/m��C |
| Mean Coeff. of Thermal Expansion (0-315�C) | 17.8 �m/m��C |
| Mean Coeff. of Thermal Expansion (0-538�C) | 18.4 �m/m��C |
| Thermal Conductivity (at 100�C) | 14.2 W/m�K |
| Thermal Conductivity (at 500�C) | 18.5 W/m�K |
| Specific Heat (at 100�C) | 500 J/kg�K |
| Electrical Resistivity | 720 nO�m |
| Standard | UNS | Werkstoff Nr. | JIS (Japan) | BS (UK) | GOST (Russia) | EN Designation |
| SS 310H | S31009 | 1.4948 / 1.4845* | SUS 310H | 310S16* | 20Ch23N18* | X5CrNi18-10* / X8CrNi25-21 |
The welded steel pipes 310H are produced with the help of high-quality austenitic stainless steel, which has great strength and resistance to oxidation at high temperatures.
The Stainless steel 310H welded pipes come with good corrosion resistance and strength, which makes them suitable for many indurtsires some of which are listed below.
These types of pipes are common in furnaces, boilers, heat exchangers, and superheaters where high levels of oxidation resistance and thermal stability are needed.
Nowadays used in thermal and nuclear power plants in steam line, heat recovery, and high-pressure heat vessels.
Applied in refineries, petrochemical plants and the processing of high temperature and high-pressure fluids and gases operating in severe conditions.
The 310H welded pipes are also appropriate in the chemical reactors, process piping and heat handling systems due to their high resistance to oxidation and chemical corrosion.
Perfect on industrial piping networks with large diameters in need of long service, strength, and the ability to withstand extreme temperatures.
Applied in the structural members and industrial machinery, and in fabrication systems which are subject to high temperatures and mechanical load, reliability and longevity are guaranteed.
Choose Metinox Overseas � Your Reliable SS 310H Welded Pipe Manufacturer, Supplier & Exporter.
Let us support your most demanding high-temperature projects with quality, precision, and performance.
They are used in high-temperature applications such as furnaces, boilers, heat exchangers, power plants, and petrochemical industries.
310H has a higher carbon content than 310, which gives it better strength and creep resistance at high temperatures.
Yes, 310H welded pipes are specifically designed for continuous service in high-temperature environments.
Yes, it offers excellent resistance to oxidation and corrosion, especially at elevated temperatures.
Stainless Steel 310H can typically operate at temperatures up to around 1100�C in oxidizing environments.
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