Trusted Manufacturer & Supplier of Circles & Rings in Oman – Stainless Steel, Carbon Steel, Alloy Steel & Nickel Alloys for Industrial Applications
Mstar Enterprises is a leading manufacturer of circles and rings in Oman, producing high-quality stainless steel, carbon steel, alloy steel, duplex, and nickel alloy products. Our circles and rings are engineered for precision fabrication, heavy-duty machining, and pressure-critical applications, ensuring consistent material integrity, dimensional accuracy, and compliance with international industrial standards. our products are designed to perform under the most demanding operating conditions.
As a trusted supplier of circles and rings in Oman, Mstar Enterprises delivers certified materials to EPC contractors, engineering consultants, and procurement teams across the Sultanate. With a strong logistics network covering major industrial hubs such as Muscat, Sohar, Duqm, Salalah, Rusayl, Nizwa, Sur, and Al Buraimi, we ensure timely delivery and reliable supply for projects in shipbuilding, marine, automotive, aerospace, heavy engineering, and general manufacturing sectors.
Mstar Enterprises also serves as a reputable exporter of circles and rings from Oman, catering to industrial and heavy engineering projects worldwide. Our products meet international quality standards and come with EN 10204 certification, full material traceability, and the option for project-specific customization. We provide blank circles, flange rings, gasket rings, spacer & washer rings, split rings, profile-cut, and forged rings to meet diverse industrial and EPC project requirements.
By combining manufacturing excellence, local supply efficiency, and global export capabilities, Mstar Enterprises is Oman’s preferred partner for circles and rings. Our materials are trusted for critical applications in oil & gas, petrochemical, power generation, construction, and heavy engineering projects. Backed by rigorous quality control, reliable logistics, and technical support, we ensure that our circles and rings consistently meet the high expectations of engineers, contractors, and procurement teams across Oman and abroad.
Providing High-Quality Industrial Blank Circles, Flange Rings, Gasket Rings, Spacer & Washer Rings, Split Rings, Profile-Cut, and Forged Rings Across Oman’s Major Cities and Industrial Hubs – Muscat, Sohar, Duqm, Salalah, Rusayl, Nizwa, Sur
Technical Specifications of Steel Circles & Rings for Oman
| Category | Details |
|---|---|
| Standards & Codes | ASTM: A240, A276, A240 (Stainless Steel); A105 (Carbon Steel); 182 (Alloy Steel); B168, B381 (Nickel Alloys) ASME: Section II, related codes as applicable EN / DIN: EN 10088 |
| Grades Available | Stainless Steel: 304, 304L, 316, 316L, 310, 321, 347, 904L Carbon Steel: ASTM A105, A350 LF2, A36, A516 Gr. 60/70, AISI 1018, 1045, 1060 Alloy Steel: ASTM A182 F5, F9, F11, F22, A29 / A322 (4140, 4340) Duplex & Super Duplex: UNS S31803 / S32205 (2205), UNS S32750 (2507), UNS S32760 High Nickel Alloys: Inconel 600, 625, 718; Monel 400, K500; Hastelloy C22, C276; Incoloy 800, 825; Nickel 200 / 201 Others: Copper Nickel (70/30, 90/10), Brass, Bronze, Titanium, Aluminium |
| Diameter Range | Up to 2000 mm or as per customer requirement |
| Thickness | 3 mm to 150 mm or custom as required |
| Forms & Manufacturing | Hot Rolled, Cold Rolled, Forged, CNC Machined, Plasma/Waterjet Cut |
| Surface Finishes | Mill Finish, Polished, Bright, Pickled, Black |
| Mechanical & Chemical Testing | Tensile Strength, Yield Strength, Elongation, Hardness (Rockwell/Brinell/Vickers), Charpy Impact Chemical Composition Analysis (Spectro/OES) Positive Material Identification (PMI) |
| Non-Destructive Testing | Ultrasonic Testing (UT), Eddy Current Testing, Visual & Dimensional Inspection, Straightness Check |
| Certification | Mill Test Certificates (MTC) as per EN 10204 3.1 / 3.2 Certificate of Compliance Heat Number Traceability Third-Party Inspection (SGS, BV, TUV, Intertek) available |
| Packaging | Standard export bundles & strapped Wooden crates/skids End-protected VCI film or corrosion inhibitor wrapping Custom marking, barcoding, and project-specific packaging available |
| Applications in Saudi Arabia | Oil & Gas (onshore & offshore platforms) Petrochemical Plants (Jubail, Yanbu) Refineries & Desalination Plants Power Plants & Energy Projects Construction & Infrastructure (bridges, metro, high-rise) Marine & Shipbuilding Heavy Machinery & Engineering Components |
| Supply Notes | Stock availability and MOQ depend on grade & form Lead times vary by size, grade, and finish Express delivery available to Riyadh, Jeddah, Dammam, Jubail, Al Khobar, and Yanbu |
Surface Finish of Circles & Rings
| ASF | As Cut / As Sheared Finish | MF | Machined / Turned Finish |
|---|---|---|---|
| BB | Shot Blasted / Grit Blasted | SF | Plain / Self Finish |
| P&P | Pickled & Passivated | POL | Polished / Ground Finish |
| HDG | Hot Dip Galvanized | BO | Black Oxide |
| OIL | Oiled / Anti-Rust Coated | VCI | VCI Film Protected |
Certified Circles & Rings Exported Across Oman
Mstar Enterprises is a leading supplier of circles and rings across Oman, designed for precision machining, heavy-duty fabrication, and high-pressure applications. Made from certified stainless steel, carbon steel, alloy steel, duplex, and nickel alloys, our products offer superior material integrity, dimensional precision, and compliance with international industrial standards.
- Key Cities & Industrial Hubs: Muscat, Sohar Industrial Port, Duqm SEZ, Salalah Free Zone, Rusayl, Nizwa, Sur, Al Buraimi
- Industries Served: Oil & Gas, Petrochemical, Power Generation, Construction, Shipbuilding, Marine, Automotive, Aerospace, Heavy Engineering, Manufacturing
Supported by an efficient logistics network, Mstar Enterprises guarantees timely delivery and consistent supply across Oman. Backed by EN 10204 certification, full traceability, and project-specific customization, our circles and rings are trusted by EPC contractors, engineers, and procurement teams for industrial, energy, and infrastructure projects.
