Inconel 600 (UNS N06600, W.Nr.2.4816) for ship manufacturing is the classic high-temperature nickel-chromium solid solution alloy with over 60 years of proven marine service history. It delivers an unbeatable combination of 1093℃ oxidation resistance, alkaline corrosion immunity and non-magnetic properties, making it the industry standard for steam power systems, exhaust systems and magnetic-sensitive components in all vessel types.
As the most cost-effective high-temperature marine alloy, Inconel 600 maintains excellent mechanical properties from cryogenic temperatures up to 1093℃, with outstanding thermal fatigue resistance. Emily PIPE supplies classification society-certified Inconel 600 seamless pipes, tubes, bars and forgings with full traceability from ingot to finished component.
| Item | Details |
|---|---|
| Executive Standards | 1. International Material Standards: ASTM B167 (Seamless Pipe/Tube), ASTM B166 (Bar/Rod), ASTM B564 (Forgings)
2. Marine Standards: ABS, DNV, LR, BV, CCS, RINA 3. Pressure Vessel Standards: ASME Section VIII Div.1 4. Testing Standards: ASTM E8, ASTM G31 (Corrosion), ASTM E243 (Eddy Current) |
| Material Grade | 1. Standard Marine Grade: Inconel 600 (UNS N06600), annealed condition
2. High-Temperature Grade: Specially processed for boiler and exhaust applications 3. Non-Magnetic Grade: Certified magnetic permeability ≤1.010 4. Equivalent Grades: NS3102 (China), Nicrofer 7216 (Germany), Alloy 600 (USA) |
| Chemical Composition (Weight %) | 1. Nickel (Ni): 72.0% minimum (matrix stabilization and corrosion resistance)
2. Chromium (Cr): 14.0-17.0 (primary element for oxidation and carburization resistance) 3. Iron (Fe): 6.0-10.0 (improves formability and reduces cost) 4. Carbon (C): ≤0.15 5. Manganese (Mn): ≤1.00 6. Silicon (Si): ≤0.50 7. Sulfur (S): ≤0.015 Note: The high nickel content provides exceptional alkaline and chloride SCC resistance, while chromium delivers superior high-temperature oxidation protection |
| Mechanical Properties (Annealed State) | 1. Tensile Strength (RT): 550-760 MPa
2. 0.2% Yield Strength (RT): ≥240 MPa 3. Elongation (δ5): ≥30% 4. Reduction of Area: ≥50% 5. Hardness (HB): 120-200 6. Magnetic Permeability: ≤1.010 (non-magnetic at all temperatures) 7. Maximum Continuous Service Temperature: 1093℃ |
| Dimensional Tolerance | 1. Seamless Pipes/Tubes: Ø6-50mm ±0.15mm; Ø50-150mm ±0.3mm; Wall thickness ±0.08-0.12mm
2. Bars/Rods: Ø6-50mm ±0.3mm; Ø50-300mm ±0.6mm; Straightness ≤0.3mm/m 3. Forgings: Custom dimensions per drawing, tolerance ±0.5mm 4. Length Tolerance: ±2mm (1-12m); custom lengths up to 18m available |
| Why This Material Is Used in Ship Manufacturing | 1. Unmatched Steam Power System Performance:
– The industry standard for boiler superheater tubes, reheater tubes and main steam piping – Resists oxidation and scaling in high-pressure steam up to 650℃ – Eliminates frequent tube failures that cause costly ship downtime 2. Superior Alkaline Corrosion Resistance: – Virtually immune to caustic embrittlement in high-temperature boiler water – Resists corrosion from sodium hydroxide and other alkaline chemicals – Ideal for feedwater heaters and condensate systems 3. Exceptional Non-Magnetic Properties: – Permanently non-magnetic at all operating temperatures – Magnetic permeability ≤1.010, the lowest among all marine nickel alloys – Used in compass housings, sonar domes and mine countermeasure vessels 4. Excellent Exhaust System Durability: – Withstands exhaust gas temperatures up to 900℃ – Resists corrosion from sulfur dioxide and other exhaust gases – Outperforms stainless steel by 5-10 times in marine exhaust applications 5. Superior Cost-Effectiveness: – 30-40% lower material cost than Inconel 625 – 10-15 times longer service life than 316L stainless steel – Reduces total cost of ownership by 60-70% compared to stainless steel |
| Application Scenarios and Corresponding Customers | 1. Steam Power Vessels:
– Applications: Boiler superheater tubes, reheater tubes, main steam pipes, feedwater heaters, condensate systems – Customers: China State Shipbuilding Corporation, Hyundai Heavy Industries, Samsung Heavy Industries, Maersk Line 2. Marine Exhaust Systems: – Applications: Exhaust manifolds, turbocharger components, exhaust stacks, silencers – Customers: Caterpillar Marine, MAN Energy Solutions, Wärtsilä, Rolls-Royce Marine 3. Naval and Military Vessels: – Applications: Compass housings, sonar domes, mine countermeasure vessel components, non-magnetic fasteners – Customers: US Navy, Royal Navy, Chinese People’s Liberation Army Navy, French Navy 4. Chemical and Product Tankers: – Applications: High-temperature chemical cargo piping, heat exchangers, pump and valve components – Customers: Stolt-Nielsen, Odfjell, Navig8, Maersk Tankers 5. Offshore Oil and Gas Platforms: – Applications: Steam generation systems, process piping, heat exchangers, fire water systems – Customers: ExxonMobil, Shell, BP, Chevron, China National Offshore Oil Corporation |
| Customer Requirements in This Industry | 1. Performance Requirements:
– High-Temperature Strength: Must maintain sufficient strength at operating temperatures up to 650℃ – Oxidation Resistance: Must resist oxidation and scaling in high-temperature steam and exhaust gases – Alkaline Corrosion Resistance: Must resist caustic embrittlement in boiler water – Non-Magnetic Properties: Must meet strict magnetic permeability standards for naval applications – Thermal Fatigue Resistance: Must withstand cyclic heating and cooling without cracking 2. Quality and Compliance Requirements: – Classification Society Certification: Must provide ABS, DNV, LR or equivalent certification – Full Traceability: Must provide complete traceability from raw material to finished product – Third-Party Inspection: Must allow inspection by classification society surveyors – Material Certification: Must provide EN 10204 3.2 mill test reports – Environmental Compliance: Must meet MARPOL and IMO environmental regulations 3. Manufacturing Requirements: – Precision Dimensional Tolerances: Must meet tight tolerances for proper fit and assembly – Surface Quality: Must have smooth surfaces to reduce flow resistance and corrosion initiation – Internal Quality: Must be free from inclusions, porosity and segregation (100% UT/ET verified) – Consistent Quality: Must have uniform chemical composition and mechanical properties – Heat Treatment Control: Must undergo proper annealing to achieve required properties |
| Common Related Products in This Industry | 1. Inconel 600 Seamless Pipes/Tubes: For boiler, steam and exhaust systems
2. Inconel 600 Welded Pipes: Cost-effective for large-diameter exhaust and process piping 3. Inconel 600 Bars/Rods: For valve stems, shafts, fasteners and non-magnetic components 4. Inconel 600 Forgings: Custom forgings including flanges, valve bodies and pump casings 5. Inconel 600 Fasteners: Bolts, nuts, screws, studs and washers for high-temperature service 6. Inconel 600 Welding Materials: ERNiCr-3 electrodes and wires for marine welding 7. Inconel 600 Sheets and Plates: For exhaust liners, tank liners and structural components 8. Inconel 600 U-Bend Tubes: Custom bent tubes for marine heat exchangers and condensers 9. Inconel 600 Machined Components: Precision-machined valves, fittings and exhaust parts 10. Custom Fabricated Assemblies: Pre-fabricated piping spools and exhaust manifolds |
| Why Choose Us (Emily PIPE) | 1. 20+ Years of Marine Alloy Expertise: We have supplied Inconel 600 products to over 200 shipbuilding projects worldwide
2. Full Classification Society Certification: Our production line is certified by ABS, DNV, LR, BV and CCS 3. Full-Process Quality Control: We implement 100% ultrasonic, eddy current and hydrostatic testing on all products 4. Complete International Certifications: Our products meet all major international marine standards 5. Advanced Customization Capability: We can produce custom sizes, lengths and shapes per your drawings 6. Global Marine Supply Chain Experience: We have extensive experience delivering to shipyards worldwide 7. Professional Technical Support: Our metallurgical engineers provide expert material selection guidance 8. One-Stop Solution: We provide complete solutions from raw material supply to pre-fabricated assemblies |
| Supplementary Industry Information | 1. Comprehensive Test Reports: Each batch comes with a full MTR including chemical analysis, mechanical properties and NDT results. Magnetic permeability test reports available upon request
2. Full Material Traceability: Every product has a unique heat number and complete traceability documentation 3. Value-Added Processing: We offer precision cutting, CNC bending, welding, end processing and surface finishing services 4. Emergency Response Service: We maintain strategic inventory to support urgent ship repair requirements 5. Market Growth: The global Inconel 600 market for shipbuilding is projected to grow at a CAGR of over 4% through 2030, driven by steam power vessel modernization and naval construction 6. Sustainability Commitment: All our products are manufactured using sustainable practices and are 100% recyclable |
| Packaging | 1. Plastic Caps: All pipe/bar ends are protected with heavy-duty polyethylene caps with internal sealing rings
2. Waterproof Film: Each product is individually wrapped in waterproof and anti-corrosion film 3. Bundle Packing: Products of the same size are bundled with steel straps and wooden spacers 4. Wooden Case: Bundles are packed in sturdy fumigated wooden cases with steel reinforcement for international shipping 5. Export Standard Packing: All packaging complies with international export standards and ISPM 15 regulations 6. Marking: Each package is clearly marked with product specifications, heat number, batch number, quantity and destination |
Looking for Inconel 600 pipe, bar or forging for shipbuilding? Send us your dimensions, application requirements and classification society standards. We will provide a customized quotation and technical data sheet within 12 hours.