AMS 5647 Stainless Steel 304 Ring
Multinox Inc is one of the biggest steel manufacturer, supplier, and stockist of Stainless Steel 304 Rings.
Stainless Steel 304 rings are the gold standard for durability. Stainless Steel 304 alloy is constructed to withstand heavy-duty applications with good corrosion resistance. This grade is designed for environmental conditions, offering excellent formability, high-temperature resistance, and tensile strength (up to 515 MPa). This is the most popular chromium nickel alloy option in the market, often sourced for components in chemical processing where a buff-free surface finish is highly considered. SS 304 rings are engineered to meet rigorous quality standards in accordance with A240 and ASME SA182 international standards. Multinox is a trusted brand for providing superior quality material with full traceability and complete test certificates such as Mill Test Certificates (MTC) and destructive and non-destructive tests based on the customer's requirements.
The Stainless Steel 304 Rings key feature is a combination of resistance to oxidation and resistance to several rusting environments. This grade alloy also holds high mechanical properties and guarantees minimum yield strength (up to 205 MPa) and elongation (40%) while maintaining the same performance across various environments. For thermal stability, 304 alloy is the reliable choice as it maintains mechanical strength and ductility across a wide range of temperatures, generally an ideal choice for cryogenic temperatures to medium-high temperatures, including heat exchanger components.
Stainless Steel 304 rings are preferred across demanding operations, mainly food processing units, architectural interiors, and marine or saltwater environments, thanks to full compliance with RoHS and REACH, which also ensure environmental safety for international shipment deliveries. Stainless Steel 304 Rings are often used across industrial and manufacturing applications such as chemical processing tanks, food and beverage industries, and conveyor systems. Architecture and construction applications include handrails, structural supports, and exterior components that demand significant longevity. 304 Rings are also used across automotive and aerospace industrial units.
Multinox's 304 Stainless Steel Rings are available in standard and custom-made sizes and finishes (mill finish, high polish mirror-like, satin, or brushed finish) depending on customer requirements to match both aesthetic and industrial requirements. Multinox offers 304 SS rings in consistent quality with unmatched price points. We include full traceability, including chemical composition of chromium (18-20%) and significant additions of nickel to maintain good physical properties. We offer extensive flexibility to choose between plate-cut for budget-friendliness or forged seamless for superior architectural robustness in high-stress atmospheres.
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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
0.07 Max
Carbon
Mn
2.00 Max
Manganese
Si
1.00 Max
Silicon
P
0.045 Max
Phosphorus
S
0.015 Max
Sulfur
Cr
17.50 - 19.50
Chromium
Ni
8.00 - 10.50
Nickel
N
0.10 Max
Nitrogen
Fe
Balance
Iron
Equivalent Grades
UNS
S30400
Unified Numbering System
Werkstoff
1.4301
Material Number
EN
X5CrNi18-10
European Standard
JIS
SUS 304
Japanese Standard
BS
304S31
British Standard
AFNOR
Z7CN18-09
French Standard
GB
0Cr18Ni9
Chinese Standard
GOST
08Kh18N10
Russian Standard
Mechanical Properties
520 - 720 MPa
Tensile Strength
210 MPa Min
Yield Strength
210 MPa
Compressive Strength
45% Min
Elongation
201 - 229 HB
Hardness
HRB 80 - 90
Rockwell Hardness
193 GPa
Modulus of Elasticity
7.93 g/cm³
Density
Weight Chart
| Outside Diameter (mm) | Thickness (mm) | Approx. Weight (kg) |
|---|---|---|
| 200 | 25 | 6.0 |
| 300 | 30 | 14.0 |
| 400 | 40 | 30.0 |
| 500 | 50 | 55.0 |
| 600 | 60 | 95.0 |
| 800 | 80 | 225.0 |
| 1000 | 100 | 440.0 |
| 1200 | 120 | 760.0 |
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.