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Premium Monel 400 (UNS N04400) bar, tube, plate supplier. High-temperature nickel alloy for aerospace, chemical processing. ASTM/ASME compliant. Get quote.
By Shanghai Hangbo Alloy Group Co., Ltd. | ISO 9001:2015 Certified | 2026

Quick Answer: What Is Monel 400? (60-80 words)
Monel 400 (UNS N04400 / W.Nr. 2.4360) is a high-performance nickel-copper solid-solution alloy that is only hardenable by cold working. It is renowned for its exceptional resistance to a wide variety of corrosive environments, particularly flowing seawater, hydrofluoric acid, sulfuric acid, and alkalies. With high strength and toughness over a wide temperature range, it is the standard material for marine engineering and chemical processing equipment.
Key Advantages
| Channel | Details |
|---|---|
| Website | www.nickel-alloy.com |
| sales@hangboalloy.com | |
| hangbo@nickel-alloy.com | |
| WhatsApp / Phone | +86 13611656360 |
| Skype | +86 13611656360 |
| Address | Shanghai, China |
Response time: within 10 minutes. ISO 9001:2015 Certified Manufacturer.
Shanghai Hangbo Alloy Group Co., Ltd. — Your Trusted Partner in High-Performance Nickel-Copper Alloys.
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Applications of Monel 400
Monel 400 (UNS N04400) is widely used in marine engineering valves and pumps, chemical processing equipment, hydrocarbon processing, heat exchangers, oil and gas piping. The alloy maintains excellent mechanical properties at temperatures from cryogenic to 1000F (538C), making it suitable for demanding high-temperature service environments.
Standards & Specifications: ASTM B127, ASME SB127, ASTM B164











