Stainless Steel 321 / 321H Forged Fittings
Arrow Piping Solutions is a leading manufacturer and supplier of SS 321 / 321H Forged Fittings, designed to offer exceptional performance in high-temperature and corrosive environments. The increased carbon content in 321H enhances strength and creep resistance, making it ideal for demanding industrial applications.
We manufacture SS 321 / 321H Forged Fittings in varied sizes, thicknesses, and specifications, tailored to client requirements. With our advanced facilities and technical expertise, we deliver fittings known for their high strength, resistance to abrasion and corrosion, and durable construction.
Stainless Steel 321 / 321H Forged Fittings Range:
- SS 321 / 321H Forged Coupling
- SS 321 / 321H Hex Bushing
- Stainless Steel 321 / 321H Plug
- Stainless Steel 321 High Pressure Forged Pipe Fittings
- ASTM A182 SS 321 Threaded Union
- 321H Stainless Steel Socketweld 45° Elbow
- SS 321 / 321H 90° Socket Weld Cross
- Stainless Steel 321 / 321H Threaded Elbow
- Stainless Steel 321 Screwed Half Coupling
- Stainless Steel 321 S/W Reducing Tee
- Stainless Steel 321 Threaded Cap
Specifications
| Specification | ASTM A182 / ASME SA182 |
|---|---|
| Dimension Standards | ASME B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, MSS-SP-97, BS3799 |
| Size Range | 1/8" NB to 4" NB |
| Type | Socketweld, Screwed-Threaded (NPT/PT) |
| Pressure Rating | Threaded: 2000 / 3000 / 6000 LBS Socketweld: 3000 / 6000 / 9000 LBS |
Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
|---|---|---|---|---|
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
Arrow Piping Solutions ensures safe packaging and prompt shipping of SS 321 / 321H Forged Fittings, using boxes, wooden cartons, and pallets to avoid damage in transit.
Chemical Composition of Stainless Steel 321 / 321H Forged Fittings
| 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 |
Mechanical Properties of Stainless Steel 321 / 321H Forged Fittings
| 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% |
Manufacturing Standards
| ASTM A182 – ASME SA182 | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| ASME B16.9 | Factory-Made Wrought Buttwelding Fittings |
| ASME B16.11 | Socket Welding and Threaded Forged Fittings |
| MSS SP-43 | Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications |
| MSS SP-95 | Swage(d) Nipples and Bull Plugs |
| BS3799 | Specification for Steel pipe fittings, screwed and Socket-welding for the petroleum industry |
Applications of SS 321 / 321H Forged Fittings
- Chemical Industry
- Petrochemical Industry
- Marine & Power Transmission Industry
- Power Plants
- Energy Industries
- Pharmaceutical Processing
- Modern Architecture
- Home Appliances
- Water Waste Projects
- Synthetic Fiber Manufacturing
- Heat Exchangers
- Fluid Piping
- Dairy and Food Processing
- Furniture Industry
Arrow Piping Solutions provides unmatched quality, quick delivery, and competitive pricing on SS 321 / 321H Forged Fittings. Contact us for bulk inquiries, custom orders, or detailed technical assistance.