Stainless Steel 321 and 321H Socketweld Fittings are essential components in various industrial applications, known for their exceptional corrosion resistance, high-temperature strength, and durability. These fittings are widely used in industries such as chemical processing, petrochemical, food processing, and more. Here, we'll explore the key features and benefits of these fittings in 350 words.
Stainless Steel 321 and 321H are austenitic stainless steel alloys that contain chromium and nickel, offering excellent resistance to corrosive environments. They are specifically designed for high-temperature applications, with 321H being the higher-carbon version to improve high-temperature strength.
Table Of Content
The socketweld fittings in these alloys are popular due to their ease of installation and reliable performance. They come in various types, including socketweld elbows, tees, couplings, and more, allowing for versatile use in different piping systems.
Key Features and Benefits:
ASTM A182 / ASME SA182
ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
1/8” NB to 4” NB (Socketweld, Forged)
2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Socketweld Fittings, Forged Fittings
EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
90º Elbows, 45º Elbows, Tees, Cross, Couplings, Reducer Inserts, Pipe Nipple, Unions
STANDARD | UNS | WNR. | EN | JIS |
SS 321 | S32100 | 1.4541 | X6CrNiTi18-10 | SUS 321 |
SS 321H | S32109 | 1.4878 | X12CrNiTi18-9 | SUS 321H |
% | Cr | Ni | C | Si | Mn | P | S | N | Ti | Fe |
321 | min:17.0 max:19.0 |
min: 9.0 max:12.0 |
max:0.08 | max:0.75 | max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 |
Balance |
321H | min:17.0 max:19.0 |
min: 9.0 max:12.0 |
min:0.04 max:0.10 |
min:18.0 max:20.0 |
max:2.0 | max:0.045 | max:0.03 | max:0.10 | min:5*(C+N) max:0.70 |
Balance |
Grade | Tensile Strength ksi (min.) |
Yield Strength 0.2% Offset ksi (min.) |
Elongation - % in 50 mm (min.) |
Hardness (Brinell) MAX |
321/321H | 75 | 30 | 40 | 217 |
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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