SS 321 pipes can be either used to allow inlet of raw material of liquid form or as an outlet of scrap solutions. In both cases, the firmness needs to be accurate. SS 321 pipes have a strong combination of various essential and robust metals, making the alloy very tensile and durable. Abrasive and erosive structures and situations turn them unturned. SS 321H pipes do not get rust when working in aqueous conditions. Hydroxides and chlorides have no adverse effect on SS 321 pipes. Sustaining to high work pressure and stress are the peculiar characteristics of such SS 321H pipes. They are immune to caustic agents too. SS 321 H pipes can prove their working definition even in higher thermal conditions.These are suitable to use in flues and spiral welded pipes. The pipes are best for use in the annealed temperatures without any deformation to the steel pipes.
SS 321 / 321H Pipes Specifications
ASTM A312, A358 / ASME SA312, SA358
SS 321 / 321H Pipes Dimensions
ANSI/ASME B36.19M, ANSI/ASME B36.10M
SS 321 / 321H Seamless Pipe Size
1 / 2" NB - 16" NB
SS 321 / 321H Welded Pipe Size
1 / 2" NB - 24" NB
SS 321 / 321H EFW Pipe Size
6" NB - 24" NB
SS 321 / 321H Pipes 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
SS 321 / 321H Pipes Schedule Thickness Range
SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
SS 321 / 321H Pipes End Types
Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends)
SS 321 / 321H Pipes Manufacturing Techniques
Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded
SS 321 / 321H Pipes Shapes
Hydraulic, Round, Rectangle, Square, Hex, Honed
STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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