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| Customization: | Available |
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| Type: | Ring |
| Standard: | AISI, ASTM, DIN, JIS, GB, BS |
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MONEL 400 (UNS N04400 / W.Nr. 2.4360) is a nickel-copper alloy known for its excellent resistance to seawater, acids, and alkalis, as well as its high strength and toughness over a wide temperature range.
It contains approximately 67% Nickel and 30% Copper, with small amounts of iron and manganese for enhanced strength and corrosion resistance.
This alloy performs exceptionally well in marine environments, chemical processing, and petrochemical applications, particularly where resistance and saltwater corrosion is required.
Key Features:
Excellent resistance to seawater and steam at high temperatures
High strength and toughness over a wide temperature range
Good weldability and formability
Resistant to hydrochloric and under reducing conditions
Typical Applications:
Marine and offshore engineering (valves, pumps, propeller shafts)
Chemical processing equipment
Heat exchangers and condensers
Storage and transport
Pulp and paper industry





Q1: What is MONEL 400 mainly used for?
A1: MONEL 400 is widely used in marine, chemical, and petrochemical industries due to its excellent corrosion resistance and mechanical strength.
Q2: What is the composition of MONEL 400?
A2: It typically contains Ni 63-70%, Cu 28-34%, Fe ≤2.5%, and Mn ≤2%.
Q3: What is the difference between MONEL 400 and MONEL K-500?
A3: MONEL K-500 adds aluminum and titanium, offering higher strength and hardness, while MONEL 400 provides better ductility and corrosion resistance.
Q4: What forms are available for MONEL 400?
A4: We supply bars, sheets, plates, rings, tubes, and pipes, customized according to drawings or specifications.
Q5: What standards does MONEL 400 comply with?
A5: Common standards include ASTM B127 (plates/sheets), ASTM B164 (bars/rods), ASTM B165 (tubes), and UNS N04400 / W.Nr. 2.4360.
Q6: Are inspection certificates provided?
A6: Yes, EN 10204 3.1 / 3.2 certificates are available, including full chemical analysis and mechanical test reports.
Q7: What is the delivery time?
A7: Usually 7-15 working days for stock materials, and 20-30 days for custom-machined or special-size rings.
Q8: Do you offer price discounts for large quantities?
A8: Yes. We provide big price discounts for bulk orders or long-term cooperation projects. Please contact us for a detailed quotation.
You can contact us through the following methods
Online support: Visit our website for live chat
Address: 300 Meters North of Liaoniu Road and Xindong Ring Road, Liaocheng High-Tech Zone, Liaocheng, Shandong, China
We look forward to providing you with high-quality products and services!
If you have any other questions, feel free to contact us, and we will do our best to assist you!