High Nickel Alloys

Product Details:

SMO 254 Coil in 6 mm thickness × 2000 mm width is a high-alloy austenitic stainless steel flat product engineered for extreme corrosion resistance in highly aggressive environments. SMO 254 is characterized by very high chromium, nickel, and molybdenum content along with nitrogen addition, providing exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in chloride-rich and seawater applications.

The 6 mm thick coil offers high mechanical strength, excellent toughness, and reliable dimensional consistency, making it suitable for heavy-duty fabrication and forming operations. SMO 254 exhibits superior weldability and formability when proper procedures are followed, and its austenitic structure ensures good performance over a wide temperature range. The 2000 mm wide coil is especially advantageous for large-scale industrial fabrication, pressure equipment, and structural components requiring fewer weld joints and enhanced integrity.

Equivalent and standard designations for SMO 254 include UNS S31254, EN 1.4547 / X1CrNiMoCuN20-18-7, ASTM A240 / A480, and it is commonly referred to in the market as 254 SMO. These equivalents confirm its acceptance across major international standards for critical corrosion-resistant applications.

SMO 254 coils of 6 mm thickness × 2000 mm width are extensively used in desalination plants, offshore and marine structures, heat exchangers, chemical processing equipment, pulp and paper industries, and oil and gas applications where long service life and maximum corrosion resistance are essential.

These SMO 254 Coils are supplied by Raj Metals, Mumbai. For technical specifications, availability, and commercial inquiries, please contact +91 81045 97964.

Product Details:

Nichrome 80/20 Wire in 0.80 mm diameter is a high-resistance nickel–chromium alloy wire widely used for heating and resistance applications. Nichrome 80/20 is composed of approximately 80% nickel and 20% chromium, with very low levels of impurities, ensuring consistent electrical performance, excellent oxidation resistance, and long service life at elevated temperatures.

The 0.80 mm diameter wire provides uniform resistivity, stable surface quality, and precise dimensional control, which are essential for reliable heating elements and resistance coils. The alloy forms a protective chromium oxide layer during operation, allowing it to withstand continuous and cyclic heating without rapid degradation.

Nichrome 80/20 wire offers good ductility and formability, making it easy to wind into coils or fabricate into heating elements. It maintains stable resistance characteristics over extended operating periods and performs efficiently at temperatures up to approximately 1200°C in air.

Purity / Composition:
Nichrome 80/20 typically contains ~99% combined nickel and chromium, with nickel ~79–81% and chromium ~19–21%, and only trace amounts of iron and other residual elements. This high purity level contributes to its stable resistance, oxidation resistance, and predictable performance.

Equivalent and standard designations include NiCr 80/20, UNS N06080, EN 2.4869 / NiCr8020, DIN NiCr 80/20, and ASTM B344.

These Nichrome 80/20 Wires, 0.80 mm diameter, are supplied by Raj Metals, Mumbai. For technical specifications, availability, and commercial inquiries, please contact +91 81045 97964.

Product Details:

Nimonic 75 Sheet in 6 mm thickness × 1200 mm width × 2000 mm length is a high-performance nickel–chromium alloy flat product designed for applications requiring excellent oxidation resistance, good mechanical strength, and stability at elevated temperatures. Nimonic 75 is a solid-solution strengthened alloy that performs reliably in high-temperature environments where resistance to scaling and thermal degradation is critical.

The 6 mm thick sheet offers good structural strength, uniform metallurgical properties, and ease of fabrication. Nimonic 75 exhibits excellent formability and weldability and retains good ductility and toughness even after prolonged exposure to high temperatures. Its high chromium content provides outstanding resistance to oxidation and hot corrosion in air and combustion atmospheres.

Nimonic 75 sheets are widely used in gas turbine components, heat shields, combustion chambers, exhaust systems, furnace parts, and high-temperature fasteners and fabrications. The 1200 × 2000 mm size is suitable for heavy-duty industrial fabrication requiring dimensional stability and long service life.

Equivalent and standard designations for Nimonic 75 include UNS N06075, EN 2.4951, Werkstoff 2.4951, ASTM B435, and BS HR 201, confirming compliance with major international material standards.

These Nimonic 75 Sheets, 6 mm × 1200 × 2000 mm, are supplied by Raj Metals, Mumbai. For technical specifications, availability, and commercial inquiries, please contact +91 81045 97964.

Product Details:

Monel K500 Sheet – 1.5 mm Thickness × 1250 mm × 2500 mm is a high-strength nickel-copper alloy that combines the excellent corrosion resistance of Monel 400 with significantly higher mechanical strength and hardness achieved through precipitation hardening. This alloy performs exceptionally well in both marine and chemical environments, particularly where resistance to seawater, salt spray, and aggressive chemicals is required along with superior mechanical performance. The specified sheet size of 1.5 mm thickness with 1250 × 2500 mm dimensions is widely used for fabrication, cladding, and precision-engineered components.

Monel K500 is internationally recognized under various equivalent designations such as UNS N05500, ASTM Alloy K500, DIN / EN 2.4375, and is commonly referred to as Nickel-Copper Alloy K500. Sheets are typically manufactured in accordance with ASTM B127 / ASME SB127, ensuring controlled chemistry, uniform mechanical properties, and excellent surface quality. The alloy contains additions of aluminum and titanium, which allow it to be age-hardened, resulting in high yield strength while maintaining very good corrosion resistance and non-magnetic behavior in the annealed condition.

In terms of performance, Monel K500 sheets exhibit high tensile and yield strength, excellent fatigue resistance, and very good toughness over a wide range of temperatures. The material shows outstanding resistance to corrosion in seawater, brine solutions, acids, alkalis, and sour gas environments, and also resists erosion and cavitation. These properties make Monel K500 sheets ideal for applications such as marine hardware, offshore structures, pump and valve components, chemical processing equipment, springs, fasteners, and aerospace and oil & gas components where strength and corrosion resistance are both critical.

Monel K500 Sheet – 1.5 mm × 1250 mm × 2500 mm, manufactured and supplied by RAJ METALS, Mumbai, is offered with assured quality, dimensional accuracy, and material test certification as per ASTM and international standards.
RAJ METALS – Mumbai | Contact: +91 81045 97964

Product Details:

The Super Duplex 32750 Plate in 5mm thickness and size 1500mm x 6000mm is engineered for applications demanding extremely high strength and outstanding corrosion resistance. Its dual-phase microstructure of approximately 50% austenite and 50% ferrite gives it superior mechanical properties compared to standard duplex grades—particularly high yield strength, almost double that of conventional stainless steels. This grade exhibits exceptional resistance to pitting and crevice corrosion in chloride-rich environments due to its high Cr–Mo–N content, making it suitable for aggressive seawater, marine, and chemical-processing conditions. Even at 5mm thickness, the plate maintains excellent toughness, weldability, and thermal stability, enabling fabricators to bend, cut, or weld the material while preserving structural integrity.

Super Duplex 32750 also provides excellent performance in high-pressure systems, subsea equipment, desalination plants, pulp and paper digesters, and heat exchangers where long-term reliability is critical. Its resistance to chloride stress-corrosion cracking ensures durability in harsh environments, while its high PREN (Pitting Resistance Equivalent Number) makes it one of the most dependable materials for offshore and corrosive service applications.

Manufactured & Supplied by Raj Metals Mumbai
+91 81045 97964

Product Details:

Features -

• Material: Nimonic 80A – a nickel-chromium alloy with added titanium and aluminum

• Key Properties: Excellent high-temperature strength, creep resistance, and oxidation resistance

• Application Areas: Widely used in aerospace, gas turbines, and high-performance engine parts

• Performance: Maintains mechanical integrity in extreme thermal and corrosive environments

Product Details:

Features -

• Material: Nickel-Chromium alloy (Nimonic 80A)

• Key Properties:

  • Excellent high-temperature strength

  • Superior oxidation and corrosion resistance

  • Good creep and stress-rupture resistance

• Applications:

  • Aerospace components

  • Gas turbine parts

  • Heat-resistant fasteners and fixtures

 

• Typical Use Cases:

  • Turbine blades

  • Exhaust valves

  • High-performance engine parts

Product Details:

The Inconel 625 plate, supplied by Raj Metals, Mumbai (+91 81045 97964), is a high-performance nickel-chromium-molybdenum-niobium alloy renowned for its exceptional corrosion resistance and high strength at both elevated and cryogenic temperatures. The plate measures 25 mm in thickness, 215 mm in width, and 290 mm in length, making it suitable for demanding applications in chemical processing, marine, aerospace, and nuclear industries where resistance to pitting, crevice corrosion, and stress corrosion cracking is critical. Inconel 625 plates are produced to standards such as UNS N06625, ASTM B443, and ASTM B446, ensuring consistent mechanical properties and metallurgical quality. Equivalent grades in other standards include DIN / EN 2.4856 (NiCr22Mo9Nb), JIS SN06625, and ISO NiCr22Mo9Nb, facilitating global compatibility and specification compliance. The alloy’s excellent weldability, oxidation resistance, and toughness make it ideal for use in heat exchangers, pressure vessels, flanges, valves, and other critical components exposed to harsh environments.

Product Details:

Stainless Steel 904L Sheets in 1 mm thickness × 1220 mm width × 2440 mm length are high-alloy austenitic stainless steel flat products known for their exceptional resistance to corrosion, particularly in aggressive chemical and acidic environments. SS 904L is characterized by a very high nickel and chromium content, along with the addition of molybdenum and copper, which together provide outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in sulphuric, phosphoric, and acetic acid media.

These sheets are non-magnetic in the annealed condition and exhibit excellent formability, weldability, and toughness across a wide temperature range. Due to their low carbon content, SS 904L sheets are less prone to carbide precipitation during welding, ensuring strong weld integrity without the need for post-weld heat treatment. The standard mill-finished surface ensures uniform thickness, smooth finish, and reliable dimensional accuracy, making them suitable for fabrication and precision applications.

SS 904L sheets of size 1 mm × 1220 mm × 2440 mm are extensively used in chemical processing equipment, heat exchangers, pollution control systems, pharmaceutical and fertilizer plants, oil and gas components, seawater handling systems, and high-end architectural and industrial applications where superior corrosion resistance and long service life are critical.

Product Details:

The XM-19 Round Bar with Diameter 50 mm is a high-strength, nitrogen-strengthened austenitic stainless steel product designed for applications requiring superior mechanical properties along with excellent corrosion resistance. XM-19 is well known for providing significantly higher yield and tensile strength than conventional 300-series stainless steels while retaining good ductility, toughness, and non-magnetic characteristics in the solution-annealed condition.

In terms of grade identification and international equivalents, XM-19 is covered under ASTM A276 / ASTM A479 specifications for stainless steel bars and corresponds to UNS S20910. It is also commonly referred to as Nitronic® 50 in commercial terminology. Under European standards, it is broadly aligned with EN 1.3964, while in DIN systems it is recognized as X5CrMnNiN21-9-4. These equivalent names ensure global acceptance and ease of specification across international engineering projects.

From a metallurgical and performance standpoint, XM-19 offers excellent resistance to general corrosion, pitting, and crevice corrosion, along with good resistance to stress corrosion cracking. The nitrogen addition enhances strength without compromising corrosion resistance, making this grade particularly suitable for load-bearing components. Compared to SS 304 and SS 316, XM-19 provides nearly double the yield strength, allowing for reduced cross-section and weight savings in design.

The 50 mm diameter XM-19 round bar is widely used in applications such as pump shafts, valve stems, fasteners, marine hardware, pressure components, structural parts, and oil & gas equipment where a combination of high strength, corrosion resistance, and reliability is critical. The material also exhibits good machinability and weldability when proper procedures are followed.

This XM-19 Round Bar Ø50 mm is manufactured by Raj Metals, Mumbai, ensuring consistent quality, proper traceability, and compliance with relevant ASTM and international standards.
Contact: Raj Metals, Mumbai | +91 81045 97964

Product Details:

The XM-19 Round Bar with Diameter 32 mm is a high-strength, nitrogen-strengthened austenitic stainless steel product designed for applications requiring superior mechanical properties along with excellent corrosion resistance. XM-19 is well known for providing significantly higher yield and tensile strength than conventional 300-series stainless steels while retaining good ductility, toughness, and non-magnetic characteristics in the solution-annealed condition.

In terms of grade identification and international equivalents, XM-19 is covered under ASTM A276 / ASTM A479 specifications for stainless steel bars and corresponds to UNS S20910. It is also commonly referred to as Nitronic® 50 in commercial terminology. Under European standards, it is broadly aligned with EN 1.3964, while in DIN systems it is recognized as X5CrMnNiN21-9-4. These equivalent names ensure global acceptance and ease of specification across international engineering projects.

From a metallurgical and performance standpoint, XM-19 offers excellent resistance to general corrosion, pitting, and crevice corrosion, along with good resistance to stress corrosion cracking. The nitrogen addition enhances strength without compromising corrosion resistance, making this grade particularly suitable for load-bearing components. Compared to SS 304 and SS 316, XM-19 provides nearly double the yield strength, allowing for reduced cross-section and weight savings in design.

The 32 mm diameter XM-19 round bar is widely used in applications such as pump shafts, valve stems, fasteners, marine hardware, pressure components, structural parts, and oil & gas equipment where a combination of high strength, corrosion resistance, and reliability is critical. The material also exhibits good machinability and weldability when proper procedures are followed.

This XM-19 Round Bar Ø32 mm is manufactured by Raj Metals, Mumbai, ensuring consistent quality, proper traceability, and compliance with relevant ASTM and international standards.
Contact: Raj Metals, Mumbai | +91 81045 97964

Product Details:

SS 904L Round Bar Dia 22mm is a high-alloy austenitic stainless steel round bar known for its outstanding corrosion resistance in highly aggressive environments, especially against acids and chloride-rich conditions. It is commonly known by equivalent names such as ASTM A276 904L, UNS N08904, EN 1.4539, and X1NiCrMoCu25-20-5 (DIN / Werkstoff 1.4539). This grade contains high Nickel and Chromium with added Molybdenum and Copper, giving excellent resistance to pitting, crevice corrosion, stress corrosion cracking, and strong performance in sulphuric acid and chemical service. SS 904L round bars (22mm diameter) are widely used in chemical processing plants, fertilizer industries, heat exchangers, desalination systems, marine equipment, refinery components, acid handling systems, and pharmaceutical machinery, where long service life and maximum corrosion resistance are required.

Product Details:

Nimonic 80A Round Bars are nickel-chromium based superalloy bars known for their excellent strength, oxidation resistance and creep resistance at high temperatures. These bars offer outstanding mechanical stability, good corrosion resistance and superior performance in extreme thermal environments. Nimonic 80A is widely used in aerospace, gas turbines, power generation, petrochemical and high-temperature engineering applications. Available in various diameters, lengths and surface finishes, these round bars are suitable for critical and heavy-duty industrial use.

Product Details:

Nimonic 80/80A Round Bars in 180mm diameter are high-temperature, nickel-chromium-based superalloy bars manufactured as per ASTM B637, designed for exceptional strength, creep resistance, and oxidation stability at elevated temperatures. These alloys contain Nickel as the primary element with Chromium, Titanium, and Aluminum additions, which promote age-hardening and deliver excellent rupture strength. Because of their ability to retain mechanical properties at temperatures up to 800–900°C, Nimonic 80/80A bars are widely used in demanding high-temperature environments where conventional stainless steels or lower nickel alloys cannot perform.

The 180mm diameter Nimonic 80/80A Round Bar provides impressive tensile strength, fatigue resistance, and dimensional stability, making it suitable for precision-machined components. Typical applications include turbine blades, exhaust valves, high-temperature fasteners, gas turbine parts, furnace equipment, aerospace components, and power-generation hardware. The alloy’s microstructure remains stable due to controlled carbide and γ′ (gamma prime) precipitation, ensuring long service life even under cyclic thermal stress.

Nimonic 80A, being the improved version of Nimonic 80, offers better creep resistance and higher elevated-temperature performance, which is why industries prefer it for mission-critical operations. The alloy also provides good resistance to oxidation and scaling, making it highly reliable for long-term operation in combustion and heat-treating systems. Bars in 180mm diameter are usually supplied in solution-treated or age-hardened condition, ready for machining or further processing as per client requirements.

For genuine supply, technical guidance, and export-grade material, Nimonic 80/80A Round Bars in 180mm diameter are available with Raj Metals located in Mumbai.
For inquiries, please contact: +91 81045 97964.