Sachiya Steel International is a well-known firm that supplies a wide range of Stainless Steel 321 Buttweld Fittings, which is non-magnetic and offered in different sizes. This Stainless Steel 321 Butt Weld Fittings is often used in super-heater and afterburner parts, along with compensators and expansion bellows.

Our Stainless Steel 321H Butt Weld Fittings is used extensively for applications where the addition of titanium and its stabilizing effect as a carbide forming element allows it to be welded and / or used within the carbide precipitation range 430 Degree C – 870 Degree C without the risk of inter-granular corrosion.

This Stainless Steel 321 Pipe Fittings is well known in reference literature and more information can be obtained in this way. Our Stainless Steel 321H Pipe Fittings is also used in refinery equipment and high temperature chemical process equipment.

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Titanium addition in this Stainless Steel 321 Elbow is made to reduce or eliminate chromium carbide precipitation – resulting from welding or exposure to high temperatures. Our Stainless Steel 321H Tee is as well used for heating element tubing and heat exchangers.

This Stainless Steel 321 Reducer is used extensively in the aircraft and missile industries. Our Stainless Steel 321H Cross is often used in Expansion joints and Pharmaceutical production. These Stainless Steel 321Bend is very resistant to oxidation and inter-granular corrosion up to 850 º C in dry air service conditions.

 

Stainless Steel 321/321H Pipe Fittings Specifications

Specifications : ASTM A403 / ASME SA403
Size : 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)
Standards
: ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Thickness : 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS available with NACE MR 01-75
Type : Seamless / Welded / Fabricated

 

SS 321/321H Pipe Fittings Chemical Composition

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

Stainless Steel 321/321H Buttweld Fittings Mechanical Properties

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 %

Equivalent Grades for 321/321H Stainless Steel Pipe Fitting

STANDARD WERKSTOFF NR. UNS JIS EN
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X12CrNiTi18-9

 

SS 321/321H Buttweld Pipe Fittings Application Industries

  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals
  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry

 

Stainless Steel 321/321H Buttweld Fitting Test Certificates

We at Sachiya Steel International provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.

• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc.

 

 

Stainless Steel 321 Buttweld Fittings

Sachiya Steel International is a well-known firm that supplies a wide range of Stainless Steel 321 Buttweld Fittings, which is non-magnetic and offered in different sizes.

Product Brand: Sachiya Steel International

Product In-Stock: InStock

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