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Ojas Pipes and Tubes is a reliable manufacturer and supplier in Kolkata, India, offering high-quality Stainless Steel 317 and 317L EFW Pipes. Known for their accuracy in engineering, reliability, and customer-oriented service, Ojas provides products of international standard. These pipes are apt for use in situations that demand high chemical attack resistance and high temperature. With its emphasis on timely delivery and quality assurance, Ojas has become renowned for stainless steel excellence. Its SS 317 and 317L EFW pipes cater to various industries such as petrochemical, pharma, food processing, and marine.
Stainless Steel 317 and 317L EFW Pipes find wide application in industries that demand superior corrosion resistance and high-temperature strength. Applications are varied and include equipment used in chemical and petrochemical processing, pulp and paper production, food and beverage manufacturing, and marine conditions. These pipes are best suited for carrying acidic and chloride-based fluids, with long-term strength and minimal maintenance needs. Their superior weldability and formability also qualify them for use in heat exchangers, condensers, pressure vessels, and piping systems. The 317L grade is particularly favored in welded applications because of its resistance to sensitization and intergranular corrosion following welding.
Specification | ASTM A358 / ASME SA358 |
Specification | A / SA358 CLASS 1, A / SA358 CLASS 2, A / SA358 CLASS 3, A / SA358 CLASS 4, A / SA358 CLASS 5 |
Grades | 304, 304L, 304H, 309S, 310S, 316, 316L, 316H, 317L, 321, 321H, 347, 347H, 904L ETC. |
Type | EFW, ELECTRIC FUSION WELDED |
Outer Diameter Size | Electric Fusion Welded / ERW- 8″ NB To 110″ NB (Nominal Bore Size) |
Wall Thickness | Schedule 10 To Schedule 160 (3 mm to 100 mm Thickness) |
Length | 01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size. |
Ends | Plain Ends / Beveled Ends |
Delivery Conditions | As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered |
Coating | Electropolish, Mechanical Polish, Satin Finish, Passivated |
Dimension | All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME |
Value Added Services | Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment |
Packaging | Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector |
Material Test Certificate | Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC |
STANDARD | UNS | WERKSTOFF NR. | EN | JIS |
SS 317 | S31700 | 1.4449 | – | SUS 317 |
SS 317L | S31703 | 1.4438 | X2CrNiMo18-15-4 | SUS 31 |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
SS 317 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 18.00 – 20.00 | 3.00 – 4.00 | 11.00 – 15.00 | 57.845 min |
SS 317L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 18.00 – 20.00 | 3.00 – 4.00 | 11.00 – 15.00 | 57.89 min |
Tensile Strength | Yield Strength (0.2%Offset) | Elongation | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | |||
Psi – 75000, MPa – 515 | Psi – 30000, MPa – 205 | 35 % | 95 | 217 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Stainless Steel 317 and 317L EFW Pipes from Ojas Pipes and Tubes guarantees excellent corrosion resistance, high strength, and durability. Designed for diverse industrial applications, it delivers reliable performance in tough environments while maintaining competitive pricing for cost-effective solutions.
NPS Designator | Outside Diameter | Nominal Wall Thickness | ||||||||
in. | mm | Schedule 5SA | Schedule 10SA | Schedule 40SA | Schedule 80SA | |||||
in. | mm | in. | mm | in. | mm | in. | mm | |||
8 | 8.625 | 219.08 | 0.109 | 2.77 | 0.148 | 3.76 | 0.322 | 8.18 | 0.500 | 12.70 |
10 | 10.750 | 273.05 | 0.134 | 3.40 | 0.165 | 4.19 | 0.365 | 9.27 | 0.500B | 12.70B |
12 | 12.750 | 323.85 | 0.156 | 3.96 | 0.180 | 4.57 | 0.375B | 9.52B | 0.500B | 12.70B |
14 | 14.000 | 355.60 | 0.156 | 3.96 | 0.188B | 4.78B | … | … | … | … |
16 | 16.000 | 406.40 | 0.165 | 4.19 | 0.188B | 4.78B | … | … | … | … |
18 | 18.000 | 457.20 | 0.165 | 4.19 | 0.188B | 4.78B | … | … | … | … |
20 | 20.000 | 508.00 | 0.188 | 4.78 | 0.188B | 4.78B | … | … | … | … |
22 | 22.000 | 558.80 | 0.188 | 4.78 | 0.218B | 5.54B | … | … | … | … |
24 | 24.000 | 609.60 | 0.218 | 5.54 | 0.250 | 6.35 | … | … | … | … |
30 | 30.000 | 762.00 | 0.250 | 6.35 | 0.312 | 7.92 | … | … | … | … |
Physical Properties (Room Temperature) |
||
Specific Heat (0-100°C) |
500 |
J.kg-1.°K-1 |
Thermal Conductivity |
14.6 |
W.m -1.°K-1 |
Thermal Expansion |
16.5 |
mm/m/°C |
Modulus Elasticity |
193 |
GPa |
Electrical Resistivity |
7.4 |
μohm/cm |
Density |
7.99 |
g/cm |
We offer custom sizes for Stainless Steel 317 and 317L EFW Pipes to meet your specific needs. Our dedicated team at Ojas Pipes and Tubes provides tailored solutions for all your piping and tubing requirements. For more information, contact us at sales@ojaspipesandtubes.co.in.
Stainless Steel 317 and 317L EFW Pipes is widely used in applications requiring high corrosion resistance and strength. Its primary application is in the chemical and fuel industry, where corrosive chemicals and high temperatures are dealt with. It is used in oil and gas refineries, chemical manufacturing, food processing, and pulp and paper industries. These pipelines are also good for the marine environment due to their resistance to roughness and cracks. In addition, the low carbon content of 317L makes it suitable for welded structures where it is important to prevent carbide precipitation.
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