Navrang Steel has established a strong presence in the steel industry by supplying, distributing, and exporting Stainless Steel 321 Welded Pipes. We have all of the regular shapes and lengths, as well as custom products. We accept bulk orders from our clients worldwide at competitive market costs. We never fail to follow the national as well as global quality standards. The SS 321 Grade is a Chromium-Nickel Alloy of Stainless Steel material. Because they are used for subterranean chemical treatments and operations, these Stainless Steel 321 Welded Pipes offer high resistance to liquid corrosion. Several shapes, lengths, and endings are available with customizable sizes based on our Client’s needs. Compared to other Stainless Steel grades, SS 321 and 321H Welded Pipes offer a higher class of resilience to intergranular corrosion.
Stainless Steel 321H Welded Pipes also has the properties of being resistant to air corrosion, sterilizing solutions, and other organic and inorganic substances. The chemical concentration of SS 321H welded pipes has a new titanium additive that is four times the carbon content in the combination, which decreases the mechanism of chromium carbide precipitation. As a result, SS 321 Welded Pipes have improved welding characteristics and function well when subjected to high temperatures. Stainless steel 321H Welded Pipes are also resistant to sensitization. These welded pipes are generally used in heat exchangers, exhaust stacks & aircraft exhaust manifolds, refinery equipment, furnace parts, thermal oxidizers, expansion joints, multipurpose storage units, and food processing machines.
Table of Content
Specification | ASTM A312 / ASME SA312 |
Size | 5.0 mm – 1219.2 mm |
Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
Thickness Range | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
Type | Seamless / ERW / Welded / Fabricated / CDW |
Form | Round Welded Pipes/Tubes, Square Welded Pipes/Tubes, Rectangular welded Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes |
Length | Single Random, Double Random & Required Length End: Plain End, Beveled End, Treaded |
End Protection | Plastic Caps |
Surface Finish | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Welded Pipes, Finish as per customer Requirements |
Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
Schedule | SCH5, SCH10, SCH40, STD, SCH80, SCH160 |
Pipe End | Plain End, Beveled End, Treaded. |
UNS Designation & International Equialent for SS 321 Welded Pipes | |||||||||
Type | UNS | WNR. | JIS | EN | BS | AFNOR | GOST | ||
321 | S32100 | 1.4541 | SUS321 | X6CrNiTi18-10 | 321S31 | Z6CNT18-10 | 08KH18N10T / 08KH18N12T / 12KH18N10T | ||
321H | S32109 | 1.4878 | SUS321H | X8CrNiTi18-10 | 321S12 / 321S51 | Z6CNT18-10 | 12KH18N10T |
Grade | C | Mn | Si | P | S | Cr | Ni |
SS 321 | 0.08 max | 2.0 max | 1 max | 0.045 max | 0.03 max | 17-19 | 9-12 |
SS 321H | 0.04-0.1 | 2.0 max | 1 max | 0.045 max | 0.03 max | 17-19 | 9-12 |
Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
SS 321 | 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
SS 321H | 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
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Navrang Steel is a prominent manufacturer, supplier, stockist and exporter of Pipes, Forged Fittings, Fasteners, and other industrial products. We stock and supply all these products in various materials, such as Stainless Steel, Duplex and Super Steel, Nickel Alloy, inconel, monel, hastelloy, and various other ferrous and non-ferrous materials.
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