Stainless Steel 321/321H Pipes

Silver Tubes is a leading trader and manufacturer of Stainless Steel 321 Pipes/ Stainless Steel 321H Pipes, which is stabilized against chromium carbide formation by the addition of titanium. Type 321 Pipes is a titanium-stabilised version of 304, used in particular applications within the sensitizing temperature range. Type 321H Pipes is a stabilized stainless steel which offers as its main advantage an excellent resistance to intergranular corrosion following exposure to temperature in the chromium carbide precipitation range from 800 Degree F to 1500 Degree F (427 Degree C to 816 Degree C). Grade 321 Pipes is not subject to weld decay intergranular corrosion when exposed to mildly corrosive environments. Resistance to sensitization of Grade 321H Pipes, coupled with its higher strength at high temperature makes it suitable in application where it will become sensitized, or where it has insufficient hot strength.

Steel 321H Pipe Traders, Supplier of Stainless Steel S32100/ S32109 Pipes, 321/321H TP Stainless Steel Pipe, ASTM A312 / SA 312 SS 321 Pipes, 321H Seamless Ferritic Stainless Steel and Austenitic Pipes, AISI 321 SS Pipes, SS 321 Fabricated Pipe, Manufacturer of 321H Large Diameter Stainless Steel Pipes, AISI 321/321H SS Heavy wall Pipe Stockholders, Corrosion Resistance SS 1.4541 / 1.4878 Pipe Dealers in India.

The welded SS 321 Pipes must never be used in highly oxidizing environments as it is liable to 'Knife-line' attack. A limitation with SS 321H Pipes is that titanium does not transfer well across a high temperature arc, so is not recommended as a welding consumable. 321 Stainless Steel Pipes is a much better option in operating temperature environments in excess of 500 Degree C and therefore has its own merits. 321H Stainless Steel Pipes offers higher creep and stress rupture properties and, particularly, also be considered for exposure where sensitization and intergranular corrosion are concern.

Stockists of SS 321H Welded Pipes, 321 Stainless Steel Seamless Pipe, 321H Stainless Steel ERW Pipes, SS 321 Electropolished Pipes, Stainless Steel 321/321H Piping, 321H Steel Colour Coated Pipe, Welded Large Diameter Austenitic Steel 321 Pipe, Steel 321 Polished Pipe, A358 SS 321/321H EFW Pipe, 321H Stainless Steel Pressure Pipe, SUS 321/321H SS High-temperature Pipe Exporters.

    • Stainless Steel 321/321H Pipes Processing Services

      • 321/321H Stainless Steel Pipe Polishing
      • Stainless Steel 321/321H Pipe Beveling
      • Heat Treatment, Annealing, Pickling of 321H Pipes
      • 100% X-Ray Welding for 321/321H Large Diameter Custom Size Stainless Steel Pipes
      • Special Testing Requirements – Destructive Testing, Non Destructive Testing etc.
      • Cold Drawing Services
      • Ultrasonic Testing of 321/321H Pipes
    • Stainless Steel 321/321H Pipe Specifications

      • Material - Stainless Steel
      • Thickness - 0.3mm – 50 mm
      • Outside Diameter- 6.00 mm OD up to 914.4 mm OD
      • Sizes - UP TO 24" NB
      • Type - Seamless/ERW/Welded/Fabricated/CDW
      • Length - Single, Double Random & Required Length
      • Form - Round, Square, Rectangular, Hydraulic Etc.
      • Schedule - SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS
      • Standard - ASTM, DIN, ASME, GB, AISI, JIS, ISO, etc other International Standards
      • Specifications - ASTM A312, A358 / ASME SA312, SA358
    • SS 321 Equivalent Standard

      • STANDARD - Grade 321
      • UNS - S32100
      • WERKSTOFF NR. - 1.4541

      321H SS Equivalent Standard

      • STANDARD - Grade 321H
      • UNS - S32109
      • WERKSTOFF NR. - 1.4878
    • Applications

      • Widely used in cranes
      • Dump trucks
      • In bridges and other structural steel works
      • Transportation equipment
      • Automobile industry
      • Agriculture equipment
      • Roof supports
      • Spiral Cases and penstocks in power plants
      • Machine building
      • Steel constructions
      • Framework structures
      • Containers
      • Pylons and other architectural structures
      • Offshore industries

Stainless Steel 321/321H Pipes ASTM Grades Specifications

ASTM A312 : Seamless and straight-seam welded austenitic pipe intended for high temperature and general corrosive service. Filler metal not permitted during welding.

ASTM A358 : Electric fusion welded austenitic pipe for corrosive and/or high temperature service. Typically only pipe up to 8 inch is produced to this specification. Addition of filler metal is permitted during welding.

ASTM A790 : Seamless and straight-seam welded ferritic/austenitic (duplex) pipe intended for general corrosive service, with a particular emphasis on resistance to stress corrosion cracking.

ASTM A409 : Straight-seam or spiral-seam electric fusion welded large diameter austenitic light-wall pipe in sizes 14" to 30" with walls Sch5S and Sch 10S for corrosive and/or high

ASTM A376 : Seamless austenitic pipe for high temperature applications.

ASTM A813 : Single-seam, single- or double- welded austenitic pipe for high temperature and general corrosive applications.

ASTM A814 : Cold-worked welded austenitic pipe for high temperature and general corrosive service

Type 321/321H Stainless Steel Chemical Composition

Grade C Mn Si P S Cr Ni Ti N
SS 321 0.08 max. 2.00 max. 0.75 max. 0.045 max. 0.03 max. 17.0 – 19.0 9.0-12.0 5 x (C+N) min. 0.1
SS 321H 0.04 – 0.10 2.00 max. 0.75 max. 0.045 max. 0.03 max. 17.0 – 19.0 9.0-12.0 5 x (C+N) min. 0.1

Grade 321/321H SS Mechanical Properties

Grade Density Melting Range,℃ Tensile Strength (Mpa) Yield Strength (Mpa) Elongation % Hardness (Brinell)
SS 321 / 321H 7.92 98 - 1446 515 205 40 217

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Stainless Steel 321/321H Pipe

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Stainless Steel 321/321H Pipes

Austenitic Stainless Steel 321/321H Pipe

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Austenitic SS 321/321H Pipe

UNS S32100/S32109 Pipes

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UNS S32100/S32109 Pipes

ASTM A312 / ASTM A358 Steel 321/321H Pipe

321 Stainless steel round pipe, SS DIN 1.4878 Square Pipes, Stainless Steel S32100 rectangular Pipe, S32109 SS Oval Pipe, DIN 1.4541 SS A358 Pipe, 321/321H Seamless Stainless Steel Pipe, Suppliers and Exporters of 321 Stainless Pipe, 321H SS Hollow Section, 24″Stainless Steel 321/321H Pipe, 36″SS 321 Pipes, NB Size Stainless Steel 321/321H Pipes, 20″Steel 321/321H Pipe, buy High Quality 321/321H Stainless Steel Pipes

ASTM A312 / ASTM A358 Steel 321/321H Pipe
  • SS Pipes

    SS 321/321H Pipes

  • Stainless Steel Pipes

    321/321H Steel Piping

  • SUS SS Pipes

    SS SUS 321/321H Pipe

  • AISI SS Pipe

    AISI SS 321/321H Pipe

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