Products Description
Inconel 600 seamless pipe (UNS N06600 / W.Nr.2.4816 / GH3600) is a nickel-chromium-iron based solid solution strengthened alloy pipe material manufactured without weld seams. Unlike welded pipes which have longitudinal welds, seamless pipes are formed from solid round billets through hot extrusion or cold drawing/cold rolling processes, eliminating the potential failure point of weld seams. They have inherent advantages in terms of pressure-bearing capacity, sealing performance, and uniformity of structure.
This alloy is designed with a high nickel content (≥72%) and medium chromium (14-17%) as its core components. It focuses on comprehensive properties such as high-temperature oxidation resistance, anti-carburization, resistance to strong alkalis, and resistance to chloride stress corrosion cracking. It is a classic material that has been rigorously tested in harsh conditions such as heat treatment furnaces, chemical caustic evaporation equipment, and nuclear power steam generators.
Product performance parameters
Chemical Composition (Typical Values, Weight %)
| Element | Content (%) | Element | Content (%) |
|---|---|---|---|
| Nickel (Ni) + Cobalt (Co) | ≥ 72.0 | Manganese (Mn) | ≤ 1.00 |
| Chromium (Cr) | 14.0 – 17.0 | Silicon (Si) | ≤ 0.50 |
| Iron (Fe) | 6.0 – 10.0 | Copper (Cu) | ≤ 0.50 |
| Carbon (C) | ≤ 0.15 | Sulfur (S) | ≤ 0.015 |
Applicable Standards：ASTM B163 / B167 / B516, ASME SB-163 / SB-167, AMS 5580, GB/T 15007, DIN 17751 (W.Nr.2.4816)
Mechanical Properties (Minimum Values at Room Temperature, Solution Annealed)
| Property | Typical Value | Note |
|---|---|---|
| Tensile Strength σb | ≥ 550 MPa | Annealed typical: 580–650 MPa |
| Yield Strength σ0.2 | ≥ 240 MPa | 0.2% offset yield strength |
| Elongation δ5 | ≥ 30% | Annealed typical: 35-45% |
| Hardness | ≤ 90 HRB | Brinell Hardness ≤ 195 HB |
Physical Properties (at Room Temperature)
| Property | Typical Value |
|---|---|
| Density | 8.47 g/cm³ |
| Melting Range | 1354 – 1413 ℃ |
| Modulus of Elasticity | 214 GPa |
| Thermal Conductivity | 14.8 W/m·K |
| Electrical Resistivity | 1030 nΩ·m |
| Coefficient of Thermal Expansion | 13.3 μm/m·℃ (20-100℃) |
Inconel 600 Seamless Tube - Key Performance Advantages
Resistant to severe medium corrosion: Performs stably in media containing chloride, high-purity water, caustic soda, organic acids, and dry chlorine gas, effectively resisting pitting, uniform corrosion and stress corrosion cracking, significantly extending the pipeline replacement cycle and reducing operation and maintenance costs.
Outstanding high-temperature oxidation resistance and anti-carburization property: Forms a dense Cr₂O₃ oxide layer rapidly in high-temperature environments, effectively preventing the penetration of oxygen and carbon, and showing no obvious peeling or thinning during long-term use, ensuring the strength and structural integrity of the pipe wall.
High-temperature creep and microstructure stability: Exhibits excellent anti-plastic deformation ability under continuous high-temperature loads, suitable for critical pipeline systems such as boilers, heat exchangers, and steam main pipes with heavy loads.
Seamless structure and dimensional accuracy: Utilizes hot extrusion/cold drawing (cold rolling) seamless process, with no weld defects in the pipe body, uniform wall thickness, strict tolerance control, balanced pressure-bearing and reliable sealing, suitable for high-pressure corrosive fluid systems.
Good welding and processing compatibility: Standard solution heat treatment system ensures excellent welding and forming performance, supporting on-site processing requirements such as bending, flange connection, and welding, meeting engineering installation needs.
Factory strength
The production base of Jiangsu Cunrui Metal Products Co., Ltd. is located in Wuxi, Jiangsu Province, covering an area of 18,000 square meters. It is equipped with complete production and testing facilities, including advanced cold drawing/cold rolling units, precise heat treatment systems and precise testing instruments. We strictly follow strict production standards, covering the entire process from raw material selection, hot forming/cold processing to final product inspection. Every shipment undergoes systematic quality checks such as chemical composition, mechanical properties, dimensional accuracy and non-destructive testing to ensure that all delivered products meet international quality standards.
Production Control and Quality Assurance
Our Inconel 600 seamless tubes are subject to full-process quality control in accordance with standards such as ASTM B167:
- High-quality nickel-based alloy billets (certified directly supplied by Baosteel, etc.) are received and undergo spectral analysis and component re-inspection.
- Precise temperature-controlled solution heat treatment (rapid cooling at 1010-1040°C) ensures stable microstructure, corrosion resistance, and consistent mechanical properties.
- Full-process non-destructive testing: ultrasonic testing (UT), eddy current testing (ET), and hydraulic testing.
- Each batch is accompanied by material certificates (MTC), test reports, and traceability documents for furnace batch numbers, which support third-party re-inspections (SGS/BV/TÜV).
- Compliant with ISO 9001:2015 and other certification systems, suitable for international tenders and overseas projects.
Specification range and customization services
We offer a full range of seamless Inconel 600 tubes and support standard and non-standard configurations:
- Outer diameter: 6mm – 610mm (customizable)
- Wall thickness: 1mm – 60mm (customizable)
- Length: Customized lengths or multiples of lengths, cut according to customer requirements
- Processing services: Cutting, chamfering, coating, polishing, acid washing, bending, pipe assembly, etc.
- Delivery condition: Cold drawn/cold rolled, solution treated, acid washed/ bright annealed (matched to standards and working conditions)
Main application fields
- Chemical and petrochemical industry: caustic soda evaporator, chlorine gas reactor, ethylene cracking furnace tubes, catalytic regenerator piping, fatty acid heater
- Nuclear power industry: steam generator heat transfer tubes, core cooling pipes, control rod conduits, nuclear-grade instrument tubes
- Heat treatment and metallurgy: furnace tubes, radiant tubes, muffle furnaces, carburizing furnace components, baskets, annealing furnace parts
- Aerospace: engine combustion chamber components, exhaust systems, fuel pipelines, thermocouple sleeves
- Environmental protection and energy: incinerator piping, waste heat recovery systems, molten salt pipelines
Choose our advantages
- Compliance with standards: 100% meets the ASTM B167 / ASME SB-167 / AMS 5580 standards, with traceable corrosion resistance performance and test data
- Precise material selection: Based on the medium, temperature, and pressure, suitable specifications are precisely recommended to avoid the risk of incorrect material selection
- Stable delivery: Mainstream specifications are available in stock, and quick responses to emergency and bulk orders are provided
- Engineering experience: Services global power, petrochemical, and nuclear power projects, familiar with material solutions for harsh conditions
- After-sales support: Provides technical selection, installation guidance, and material re-inspection support
