Kanakratna Steelage Private Limited

Monel Nut Bolts are premium fastening components made from the Monel family of nickel-copper alloys, primarily Monel 400 (UNS N04400) and Monel K500 (UNS N05500). These alloys are renowned for their exceptional resistance to seawater, acids, alkalis, and high-temperature environments.

Unlike conventional stainless steel or carbon steel fasteners, Monel nut bolts are specifically designed for use in corrosive and marine environments, such as shipbuilding, desalination plants, offshore oil & gas rigs, and chemical processing industries.

Key attributes of Monel Nut Bolts:

• Outstanding corrosion resistance in seawater, hydrofluoric acid, and alkaline environments.

• High mechanical strength across a wide temperature range.

• Resistance to stress corrosion cracking (SCC) and pitting corrosion.

• Long service life with minimal maintenance costs.

• Monel 400: Annealing at 760–980°C for stress relief.

• Monel K500: Solution annealing + age hardening at 480–620°C.

• Purpose: Restore ductility, increase strength, and enhance corrosion resistance.

• PMI (Positive Material Identification)

• Mechanical Testing – Tensile, hardness, impact.

• Hydrostatic Pressure Testing

• NDT – Ultrasonic, dye penetrant, radiography.

• Salt Spray Test (ASTM B117) – For marine durability.

• Supplied in bulk cartons, wooden crates, or pallets.

• Rust-preventive coatings applied.

• Plastic thread protectors for bolts.

• Markings: Grade, Size, Heat Number, Manufacturer Logo.

Additional Information:

• Packaging Details: The packaging of the product is done using an effective method of packaging. It all includes- • Shrink-wrapping • Bubble wrapping • Carton boxes • Wooden crates/pallets/boxes

Monel bolts are premium fasteners manufactured from nickel-copper alloys, mainly Monel 400 (UNS N04400) and Monel K500 (UNS N05500). They are highly sought after in industries where corrosion resistance, seawater durability, and mechanical strength are critical.

Unlike stainless steel or brass bolts that fail in marine, acidic, or alkaline conditions, Monel bolts retain their tensile strength, anti-galling properties, and resistance to chloride-induced corrosion even in the harshest operating environments.

• Tensile Strength: 480 – 620 MPa

• Yield Strength: 170 MPa

• Elongation: 35%

• Hardness: ~80 HRB

• Tensile Strength: 965 MPa

• Yield Strength: 655 MPa

• Elongation: 20%

• Hardness: ~28 – 35 HRC

• Density: 8.8 g/cm³

• Melting Range: 1300 – 1350 °C

• Thermal Conductivity: 21.8 W/m·K

• Non-magnetic (Monel 400), magnetic when age-hardened (K500).

• Mechanical Tests: Tensile, yield, elongation, hardness.

• Corrosion Tests: Salt spray, pitting resistance.

• NDT Methods: Ultrasonic, eddy current, dye penetrant.

• PMI Testing: Alloy grade verification.

• Dimensional Inspection: Ensures compliance with ASME / DIN tolerances.

Additional Information:

• Production Capacity: IN TONS
• Delivery Time: READY STOCK
• Packaging Details: The packaging of the product is done using an effective method of packaging. It all includes- • Shrink-wrapping • Bubble wrapping • Carton boxes • Wooden crates/pallets/boxes

Introduction

Monel pipe fittings are specialized connection components made from nickel-copper alloys like Monel 400 (UNS N04400) and Monel K500 (UNS N05500). They are designed to connect, divert, reduce, or terminate pipelines in marine, chemical, oil & gas, aerospace, and power generation industries.

Unlike standard stainless steel or brass fittings, Monel fittings offer exceptional resistance to seawater, acidic and alkaline solutions, and chloride stress cracking. These fittings ensure long-term reliability and safety in environments where other alloys corrode or fail prematurely.

Common Monel pipe fittings include:

• Butt-weld fittings: Elbows, tees, reducers, stub ends, caps.

• Forged fittings: Couplings, unions, bushings, plugs, nipples.

• Compression fittings: Ferrule fittings, tube connectors, adapters.

• Tensile Strength: 480 – 620 MPa

• Yield Strength: 170 MPa

• Elongation: 35%

• Hardness: 80 HRB

• Tensile Strength: 965 MPa

• Yield Strength: 655 MPa

• Elongation: 20%

• Hardness: 28 – 35 HRC

• Density: 8.8 g/cm³

• Melting Range: 1300 – 1350 °C

• Thermal Conductivity: 21.8 W/m·K

• Non-magnetic (400), partly magnetic (K500).

• Mechanical Tests: Tensile, yield, elongation, hardness.

• Corrosion Tests: Salt spray, pitting resistance.

• Non-Destructive Tests: UT, radiography, dye penetrant.

• PMI Testing: Alloy verification.

• Dimensional Inspection: ASME / ASTM compliance.

Additional Information:

• Production Capacity: AS PER ORDER
• Delivery Time: READY STOCK
• Packaging Details: The packaging of the product is done using an effective method of packaging. It all includes- • Shrink-wrapping • Bubble wrapping • Carton boxes • Wooden crates/pallets/boxes

Monel fasteners are high-performance fastening components made from nickel-copper alloys, primarily Monel 400 (UNS N04400) and Monel K500 (UNS N05500). They are highly valued for their excellent corrosion resistance, superior strength, and toughness in both freshwater and seawater environments, as well as chemical and industrial atmospheres.

These fasteners are used where ordinary stainless steels or brass would fail due to pitting, stress corrosion cracking, or accelerated corrosion. Monel fasteners perform exceptionally well in marine, oil & gas, chemical, aerospace, and defense industries.

Monel fasteners include bolts, nuts, screws, washers, studs, anchors, and custom fasteners — supplied in hot forged, cold forged, or machined conditions.

• Mechanical Testing – Tensile, yield, elongation, hardness.

• Corrosion Testing – Salt spray, pitting tests.

• NDT Methods – Ultrasonic, eddy current, dye penetrant.

• PMI (Positive Material Identification) – Ensures alloy authenticity.

• Dimensional Inspection – Threads, head geometry, tolerances.

Additional Information:

• Production Capacity: IN TONS
• Delivery Time: READY STOCK
• Packaging Details: The packaging of the product is done using an effective method of packaging. It all includes- • Shrink-wrapping • Bubble wrapping • Carton boxes • Wooden crates/pallets/boxes

Monel fittings are industrial components manufactured from nickel-copper alloys, primarily Monel 400 (UNS N04400) and Monel K500 (UNS N05500). These fittings include elbows, tees, reducers, couplings, unions, cross fittings, stub ends, caps, plugs, nipples, ferrule fittings, and socket weld fittings.

They are highly valued for their exceptional resistance to seawater, acids, alkalis, and chloride-induced corrosion. This makes Monel fittings the preferred choice for marine engineering, chemical processing, desalination plants, offshore platforms, oil & gas refineries, aerospace, and defense industries.

Unlike stainless steel or brass fittings, Monel maintains mechanical strength, ductility, and anti-galling properties even under harsh conditions such as hydrofluoric acid, sulfuric acid, and brine solutions.

• Tensile Strength: 480 – 620 MPa

• Yield Strength: 170 MPa

• Elongation: 35%

• Hardness: ~80 HRB

• Tensile Strength: 965 MPa

• Yield Strength: 655 MPa

• Elongation: 20%

• Hardness: 28 – 35 HRC

• Density: 8.8 g/cm³

• Melting Range: 1300 – 1350 °C

• Thermal Conductivity: 21.8 W/m·K

• Magnetic Properties: Non-magnetic (400), partly magnetic (K500).

• Mechanical Tests: Tensile, yield, elongation, hardness.

• Corrosion Tests: Salt spray, pitting, and crevice corrosion tests.

• NDT: Ultrasonic, magnetic particle, dye penetrant.

• PMI Testing: Alloy grade verification.

Additional Information:

• Production Capacity: CAN MANAGE BULK ORDERS
• Delivery Time: READT STOCK
• Packaging Details: The packaging of the product is done using an effective method of packaging. It all includes- • Shrink-wrapping • Bubble wrapping • Carton boxes • Wooden crates/pallets/boxes