Sachiya Steel International is a well-known firm that Manufacture 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.
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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. 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 |
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| 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.
Material Testing
We at Sachiya Steel International ensure that all our materials go through strict quality tests before dispatching them to our clients.
• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and Macro Test
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test
Documentation
• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)
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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