Stainless Steel Impex is a leading manufacturer, supplier, exporter, and stockist of premium quality Alloy N-155 (Multimet) Sheets & Plates manufactured from high-grade UNS R30155 / EN 1.4974 alloy. Designed for demanding high-temperature environments, Alloy N-155 sheets and plates offer exceptional strength, oxidation resistance, corrosion resistance, and excellent mechanical stability. These products are widely used in aerospace, gas turbines, power generation, heat treatment equipment, petrochemical plants, and other high-temperature industrial applications. We supply Alloy N-155 sheets and plates in hot rolled, cold rolled, perforated, chequered, polished, and shim forms in a wide range of sizes and thicknesses.
Manufactured in accordance with international quality standards, our Alloy N-155 products provide outstanding weldability, machinability, high-temperature strength, and long service life. Every sheet and plate undergoes stringent quality inspections, including PMI testing, dimensional verification, mechanical testing, and surface inspection to ensure superior quality and dependable performance. We also offer customized sizes, finishes, and prompt worldwide delivery with secure export packaging.
Standard: AMS, AMS, API
Plate Length & Sizes : 1000 mm x 2000 mm, 1000 mm x 2000 mm, 1220 mm x 2440 mm, 1500 mm x 3000 mm, 2000 mm x 2000 mm, 2000 mm x 4000 mm, 1220 mm x 2440 mm, 1500 mm x 3000 mm, 2m, 2.44m, 3m, 36″ X 120″ or 48″ X 144″, Cut to size available
Thickness: 0.1mm to 100 mm Thk
Width: 10-2500mm
Production: Hot-Rolled (HR) / Cold-Rolled (CR)
Specialize sheets, Plates : Perforated Sheet, Chequered Plates
Form : Plates, Sheets, Plain Sheet, Shim Sheet
Hardness : Quarter Hard, Soft, Hard, Half Hard, Spring Hard etc.
Grade: Alloy N-155 Sheet, Plates / UNS-R30155
Alloy N-155 Sheets, Plates Equivalent Grades
STANDARD: Alloy N-155
Material No: 1.4974
UNS: R30155
EN Designation: X12CrCoNi21-20
AISI/SAE: 661
Alloy: N-155
Advantages
- Excellent high-temperature strength and oxidation resistance for continuous service in demanding industrial environments.
- Manufactured from premium UNS R30155 alloy under strict international quality standards for superior durability and long service life.
- Every sheet and plate undergoes PMI testing, dimensional inspection, mechanical testing, and surface quality verification, ensuring nearly zero manufacturing defects.
- Available in customized thicknesses, widths, lengths, finishes, and cut-to-size options according to customer specifications.

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