Scorodite offers top-quality welded pipes in stainless steel grade 317 & 317L that are reliable, pure, and resistant to aggressive environments. These pipes are useful in chemical and petrochemical applications and marine and high-heat applications where the end-user needs reliable welded piping with predictable mechanical properties to provide consistent output regardless of the conditions. The material provides extended service life and fabricates easily due to a higher molybdenum and a balanced low carbon content solution.
The stainless steel grades 317 and 317L are classified in the austenitic stainless steel family known for superior corrosion resistance due to the higher content of molybdenum. Grade 317 offers high yield strength; grade 317L offers better weldability due to its lower carbon content which minimizes carbide precipitation. Both grades are produced to conform with ASTM A312 and ASME SA312 which supports reliable quality assurance of dimensional tolerances, surface finish, tensile strength, and corrosion resistance. The pipe products correspond to common international standards including DIN 1.4438, JIS SUS317, EN 1.4438, UNS S31700 for 317 and UNS S31703 for 317L, including corresponding ISO standards.
The process of manufacturing welded pipes from stainless steel 317 and 317L involves forming and welding high quality plate or strip, then heat treatment and testing are applied. Due to higher molybdenum content, these materials are better at resisting pitting and crevice corrosion in chloride-rich environments. 317/317L welded pipes can be conceivably used in process equipment that may have varying and unpredictable pressure, and temperature. They maintain material strength even at high temperatures further justifying their occasional use in industrial markets. Scorodite consistently delivers stable surface finish, forming quality, and dimensional tolerances of all of its product lines. This is why that Scorodite, LLC is one of the Manufacturers of Stainless Steel 317/317L Welded Pipes with a trusted relationship among its customers.
These welded pipes deliver significant benefits, including a higher resistance to corrosion than 304 and 316, improved resistance to acids, such as sulfuric and acetic in addition to stability in weldability and strength of welded structural action in salty atmospheres. Since 317L is low carbon material, it is less prone to sensitization problems; making it possible not to require heat treatment for many applications. The welded pipes permit smooth forming, which is helpful simplifying fabrication for complex groups of assemblies. The welded pipe action and performance will compete with pipes made of similar materials in producing units like heat exchangers, condensers, and evaporators. They are also potential sources and suppliers of Stainless Steel 317/317L Welded Pipes.
The usage of these pipes can be seen in industrial, commercial, and process (specialized) applications. In chemical processing, they are key to resisting aggressive acids. They also provide hygienic product flow and sterile processing in pharmaceutical plants. In pulp and paper application, they can handle bleaching agents, while for marine engineering the grade can stand up to saltwater. In an oil and gas plant, it is for fluid transport at low to medium pressure. Scorodite has a wide supply chain in the world, so they are among the recognized Stainless Steel 317/317L Welded Pipes Stockists.
They have additional applications in the food processing industries, tube for heat exchangers, desalination systems, textile equipment, fertilizer manufacturing plant, and power generation plants. In these applications, the structures will provide long service life, uniform flow, and resist corrosion. Scorodite will ship these pipes worldwide and will supply custom lengths, wall thicknesses, and custom surface finish as requested by project engineers and EPC companies. The quality certifications for exporting will also provide a certain reliability to customers worldwide and are one of the leading Stainless Steel 317/317L Welded Pipes Exporters.
| Specifications | ASTM A312 / ASME SA312 |
|---|---|
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24″ NB available Ex-stock, OD Size available Ex-stock |
| Thickness | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Size | 1/2″ NB – 24″ NB |
| Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round Pipes, Square Pipes, Rectangular Pipes |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Treaded |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 317 |
min. max. |
– 0.03 |
– 2.0 |
– 0.75 |
– 0.045 |
– 0.03 |
16.0 18.0 |
2.00 3.00 |
10.0 14.0 |
– 0.10 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 317 | 485 | 170 | 40 | 95 | 217 |
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