Stainless Steel 321 Ring
Multinox Inc. is a manufacturer, supplier, and stockist of Stainless Steel 321 Rings.
Stainless Steel 321 Rings are high-performance options built for demanding industries for high corrosion resistance and significant stabilization. These rings are titanium-stabilized austenitic stainless steel that prevents thermal stress, oxidation, and intergranular corrosion in various environments. Alloy 321 contains chromium and nickel to provide consistent material strength. Clients often demand 321 rings for components that are exposed to heat, pressure, vibration, and extreme corrosive media. It features an excellent combination of strength, durability, and mechanical properties that is unavoidable in various heat applications.
SS 321 rings provide excellent corrosion resistance across high-temperature environments and are widely preferred where standard grade conventional steels fail to provide the exact same performance. The titanium presence helps to build and maintain corrosion resistance for a longer period of time, so prolonged use is not a problem. 321 rings are essentially engineered to provide continuous resistance to applications that require high intermittent temperatures and where there is a high risk of degradation. This grade of rings resists chromium carbide precipitation at grain boundaries even at elevated temperature zones.
Our high-performing 321 rings are consistently manufactured with high-quality standards as we carefully give attention to dimensional precision, surface finish and quality, structural robustness, and different application requirements. We have forged rings and plate-cut rings in different sizes, thicknesses, diameters, and finishes. We are RoHS- and REACH-compliant for international supply chains. Custom-made sizes and specifications for Stainless Steel 321 Rings are available based on drawings, technical specifications, and industry-relevant standards.
Stainless Steel 321 Rings feature excellent fabricability and workability in different temperatures and are used across a wide range of industries. Applications include power generation equipment, heat exchangers, thermal processing units, pressure vessels, aerospace components, industrial machinery, and exhaust systems. Request a quote and contact us today for SS 321 Rings manufactured based on your technical and operational specifications.
Specifications
| Material | Stainless Steel |
| Form | Seamless Rolled Ring, Forged Ring |
| Manufacturing Process | Open Die Forging, Ring Rolling, CNC Machining |
| Outside Diameter (OD) | 145 mm to 3000 mm |
| Inside Diameter (ID) | As per Customer Requirement |
| Maximum Thickness | 300 mm |
| Maximum Face Height | Up to 49 Inches (1245 mm) |
| Maximum Weight | 60,000 lbs (Approx. 27,200 kg) |
| Tolerance | ±0.003" (or as per customer drawing) |
| Surface Finish | Rough Machined, Fully Machined, Bright, Black, Polished |
| Heat Treatment | Annealed, Solution Annealed, Normalized, Quenched & Tempered, As Required |
| Testing | PMI, Ultrasonic Test (UT), Liquid Penetrant Test (LPT), NDT, Hardness Test, Dimensional Inspection |
| Certification | EN 10204 3.1, Mill Test Certificate (MTC) |
| Standards | ASTM, ASME, DIN, EN, ISO (Depending on Material Grade) |
| Applications | Oil & Gas, Petrochemical, Chemical Processing, Marine, Power Plants, Heat Exchangers, Pressure Vessels, Aerospace, Heavy Engineering, Offshore, Fabrication |
| Packaging | Wooden Boxes, Pallets, Bubble Wrap, Export Worthy Packaging |
Chemical Composition
C
0.08% (321)
0.04–0.10% (321H)
0.04–0.10% (321H)
Carbon
Mn
2.00%
Manganese
Cr
17.0–19.0%
Chromium
Si
1.00%
Silicon
P
0.045%
Phosphorous
S
0.030%
Sulphur
Ni
9.0–12.0%
Nickel
Ti
5(C+N)–0.70% (321)
4(C+N)–0.70% (321H)
4(C+N)–0.70% (321H)
Titanium
N
0.10%
Nitrogen
Equivalent Grades
EN
1.4541
Euronorm (321)
EN Name
X6CrNiTi18-10
European Designation (321)
JIS
SUS 321
Japanese Standard
UNS
S32100
Unified Numbering System
SS
2337
Swedish Standard
Mechanical Properties
205 MPa
30,000 psi (Min)
30,000 psi (Min)
Yield Strength (0.2% Offset)
40% (Min)
Elongation (2 in.)
515 MPa
75,000 psi (Min)
75,000 psi (Min)
Ultimate Tensile Strength
217 HB (Max)
Brinell Hardness
Size Range
| Parameter | Available Size |
|---|---|
| Outer Diameter (OD) | 145 mm to 3000 mm |
| Inner Diameter (ID) | As per customer drawing |
| Thickness | Up to 300 mm |
| Face Height | Up to 49" |
| Tolerance | ±0.003" |
| Maximum Weight | 60,000 lbs |
| Manufacturing Process | Seamless Rolled Ring / Forged Ring |
Recent Export Deliveries
🇸🇦
Saudi Aramco Total
Al Jubail, Saudi Arabia
304 SS Round Bars, 50mm OD, ASTM A276
Delivered in 7 days
🇺🇸
Hess Corporation
New York City, USA
SS 304 Hex Bars, 40mm A/F, Cold Drawn
Delivered in 14 days
🇬🇧
Shell PLC
London, United Kingdom
304 SS Flat Bars, 100×20mm, Bright Finish
Delivered in 14 days
🇦🇪
ADNOC
Abu Dhabi, UAE
304 SS Square Bars, 40mm, Forged Grade
Delivered in 5 days
🇿🇦
Sasol Limited
Johannesburg, South Africa
SS 304 Hollow Bars, 80mm OD × 20mm wall
Delivered in 21 days
🇩🇪
BASF SE
Ludwigshafen, Germany
304 SS Round Bars 25–100mm, EN 10204 3.2
Delivered in 18 days
Availability of Stainless Steel Rings
| Stainless Steel 304 Ring | Stainless Steel 304L Ring |
| Stainless Steel 316 Ring | Stainless Steel 316L Ring |
| Stainless Steel 316Ti Ring | Stainless Steel 310 Ring |
| Stainless Steel 317L Ring | Stainless Steel 321 Ring |
| Stainless Steel 347 Ring | Stainless Steel 347H Ring |
| Stainless Steel 410 Ring | Stainless Steel 416 Ring |
| Stainless Steel 420 Ring | Stainless Steel 430 Ring |
| Stainless Steel 440 Ring | Stainless Steel 440C Ring |
| Stainless Steel 446 Ring | ASTM A268/A268M UNS S44600 Ring |
| ASTM A268/A268M EN 1.4749 Ring | 17-4PH Stainless Steel Ring |
| 15-5PH Stainless Steel Ring |
Latest Prices of Rings
Multinox INC offers Rings at one of the most competitive prices in India. Request the latest Rings Pricelist using the contact form here.