Monel 400 Material Properties
UNS N04400 / W.Nr. 2.4360 Overview
Explore the chemical composition, corrosion resistance, mechanical properties, and temperature characteristics of monel 400 for optimal resistance, strength, and stability
Monel 400 Chemical Composition
Monel 400 Material Properties Overview
As a leading supplier & manufacturer in China, Arialloy supply cost effective Monel 400 Products.
Monel 400 (UNS N04400 / W.Nr. 2.4360 and 2.4361) is a nickel copper alloy offering high strength, excellent corrosion resistance, and good toughness over a wide range of temperatures. Its high nickel content provides strong resistance to many reducing environments, while copper improves resistance to seawater, non oxidizing chloride solutions, and alkaline media. Small amounts of iron and manganese contribute to the alloy’s mechanical properties and corrosion performance. As a single phase solid solution alloy, Monel alloy 400 cannot be strengthened by precipitation heat treatment, but its strength can be substantially increased through cold working. The alloy maintains good ductility and toughness in both annealed and cold worked conditions.
Monel 400 also combines good weldability, formability, and thermal conductivity with excellent resistance to many corrosive environments. It is particularly resistant to hydrofluoric acid and provides good resistance to hydrochloric acid, sulfuric acid, seawater, and many alkaline solutions under suitable conditions. The alloy retains excellent toughness at low temperatures and maintains useful mechanical properties over a broad temperature range. Its properties can be adjusted through annealing, stress relieving, and controlled cold working to meet different strength and ductility requirements.
Monel 400 Corrosion Resistance
Monel 400 offers excellent resistance to corrosion in many reducing environments and provides particularly strong resistance to seawater, brackish water, and non oxidizing chloride solutions. It exhibits exceptional resistance to hydrofluoric acid in a wide range of concentrations and temperatures, and also resists many forms of hydrochloric and sulfuric acids under reducing conditions. The alloy generally provides excellent resistance to stress corrosion cracking in fresh and industrial waters.
Its corrosion performance depends strongly on temperature, aeration, concentration, and flow conditions. Under flowing seawater conditions, corrosion rates are very low, while stagnant conditions can increase the risk of localized corrosion such as pitting and crevice attack. Resistance is reduced in strongly oxidizing environments, and oxidizing acids such as nitric acid are generally considered unsuitable conditions for Monel alloy 400.
Monel 400 Mechanical Properties
In the annealed condition, Monel 400 typically exhibits tensile strengths of 517 to 620 MPa (75 to 90 ksi), yield strengths of 172 to 345 MPa (25 to 50 ksi), and elongations of approximately 40%. The alloy provides a useful balance of strength and ductility, allowing fabrication while maintaining good toughness. Because monel 400 is strengthened primarily by cold working, tensile and yield strengths can increase significantly as the degree of deformation increases.
Heat treatment does not provide precipitation hardening for this alloy. Annealing is mainly used to restore ductility and reduce the effects of cold deformation, while stress relieving can reduce residual stresses with limited changes to the basic material characteristics. Cold worked conditions can provide substantially higher strength than the annealed condition while retaining useful toughness.
Monel 400 Temperature Characteristics
Monel 400 maintains useful mechanical properties over a wide temperature range and retains excellent toughness at subzero temperatures. Its nickel copper composition provides good stability at low temperatures, while strength gradually decreases as temperature increases. The alloy has a melting range of approximately 1300 to 1350°C (2370 to 2460°F) and retains useful properties at moderately elevated temperatures.
The mean coefficient of thermal expansion is approximately 13.9 μm/m °C from 21 to 93°C, while thermal conductivity is approximately 21.8 W/m °C at room temperature. Monel alloy 400 can retain useful properties to approximately 540°C in oxidizing atmospheres and at higher temperatures under reducing conditions, although the allowable temperature depends strongly on the service environment and mechanical requirements.
Monel 400 Products
Nickel Alloy 400 Product Types
With advanced equipment and expert craftsmanship, we create durable, high performance nickel alloy 400 products tailored to each project’s needs
Monel 400 Data Sheet
Monel Alloy 400 Data Sheet
Access / download the monel 400 data sheet to gain in depth insights into precise physical and processing parameters
お客様のプロジェクトに最適なニッケル合金材料が確実に選定されるよう
物理的性質
| 密度 | g/cm3 | 8.80 | |
|---|---|---|---|
| lb/in.3 | 0.318 | ||
| 融点範囲 | °F | 2370 - 2460 | |
| °C | 1300 - 1350 | ||
| Modulus of Elasticity | Tension | 103 ksi | 26.0 |
| Compression | 103 ksi | 26.0 | |
| Torsion | 103 ksi | 9.5 | |
| Poisson’s Ratio | 0.32 | ||
| Curie Temperature | °F | 70 - 120 | |
| °C | 21 - 49 | ||
機械的特性
| Form and Condition | 引張強度 | 降伏強度 (0.2% オフセット) | Elongation, % | Hardness | |||
|---|---|---|---|---|---|---|---|
| ksi | MPa | ksi | MPa | Brinell (3000-kg) | Rockwell B | ||
| Rod and Bar | |||||||
| Annealed | 75-90 | 517-620 | 25-50 | 172-345 | 60-35 | 110-149 | 60-80 |
| Hot-Finished (except Hexagons over 2 1/8 inches and Angles) | 80-110 | 552-758 | 40-100 | 276-690 | 60-30 | 140-241 | 75-100 |
| Hot-Finished Hexagons over 2 1/8 inches and Angles | 75-100 | 517-690 | 30-55 | 207-379 | 50-30 | 130-184 | 72-90 |
| Cold-Drawn, Stress-Relieved | 84-120 | 579-827 | 55-100 | 379-690 | 40-22 | 160-225 | 85-20C |
| プレート | |||||||
| Hot-Rolled, As-Rolled | 75-95 | 517-655 | 40-75 | 276-517 | 45-30 | 125-215 | 70-96 |
| Hot-Rolled, Annealed | 70-85 | 482-586 | 28-50 | 193-345 | 50-35 | 110-140 | 60-76 |
| シート | |||||||
| Annealed | 70-85 | 482-586 | 30-45 | 207-310 | 45-35 | - | 65-80 |
| Cold-Rolled, Hard | 100-120 | 690-827 | 90-110 | 621-758 | 15-2 | - | 93 min. |
| Strip, Cold-Rolled | |||||||
| Annealed | 70-85 | 482-586 | 25-45 | 172-310 | 55-35 | - | 68 max. |
| Spring Temper | 100-140 | 690-965 | 90-130 | 621-896 | 15-2 | - | 98 min. |
| Tube and Pipe, Seamless | |||||||
| Cold-Drawn, Annealed | 70-85 | 482-586 | 25-45 | 172-310 | 50-35 | - | 75 max. |
| Cold-Drawn, Stress-Relieved | 85-120 | 586-827 | 55-100 | 379-690 | 35-15 | - | 85-100 |
| Heat-Exchanger, Annealed | 70-85 | 482-586 | 28-45 | 193-310 | 50-35 | - | 75 max. |
| Heat-Exchanger, Stress-Relieved | 85-105 | 586-724 | 55-90 | 379-621 | 35-15 | - | 85-97 |
| Hot-Extruded | - | - | - | - | - | - | - |
| No.1 Temper (Annealed) | 85 max. | 586 max. | 30-45 | 207-310 | 45-30 | - | 73 max. |
| No.2 Temper (Half-Hard) | 85-105 | 586-724 | 55-80 | 379-552 | 30-10 | - | 75-97a |
| No.3 Temper (Full-Hard) | 110-130 | 758-896 | 90-110 | 621-758 | 10-3 | - | 95-27C |
| Wire, Cold Drawn | |||||||
| Annealed | 70-95 | 482-655 | 30-55 | 207-379 | 45-25 | - | - |
| No.1 Temper | 85-100 | 586-690 | 50-75 | 345-517 | 30-20 | - | - |
| Quarter-Hard | 95-120 | 655-827 | 65-95 | 448-655 | 25-15 | - | - |
| Half-Hard | 110-135 | 758-931 | 85-120 | 586-827 | 15-8 | - | - |
| Three-Quarter-Hard | 125-150 | 862-1034 | 100-135 | 690-931 | 8-5 | - | - |
| Full-Hard-Spring Temper | 145-180 | 1000-1241 | 125-170 | 862-1172 | 5-2 | - | - |
Monel 400 Standards
UNS N04400 / W.Nr. 2.4360 Specifications & Standards
製造から検査に至るまで、当社は厳しい品質基準を満たし、公差や化学組成に関する要件に対応しています。
ASTM B163
凝縮器および熱交換器用チューブ
ASTM B165
シームレスパイプ・チューブ
ASTM B829
シームレスパイプ・チューブ
ASTM B725
溶接管
ASTM B775
溶接管
ASTM B730
溶接管
ASTM B751
溶接管
ASTM B366
溶接継手
ASTM B164
Rod, Bar and Wire
ASTM B564
鍛造品
ASTM B127
板、シート、ストリップ
AWS A5.14 ERNiCu-7
溶加材
AWS A5.11 ENiCu-7
溶接棒
Monel 400 SHOW
Nickel Alloy 400 Showcase
From initial samples to large scale production, we supply high quality monel 400 products and help you achieve your manufacturing goals.



























要件をアップロードしてください
まずは、ご連絡先情報に加え、製品の種類、寸法、数量、および必要な規格をご記入ください。CAD図面、仕様書、または特別な公差要件がある場合は、それらをアップロードしてください。
見積もりとデザインレビューの依頼
12時間以内に、詳細な見積書と、製造性(DFM)に関するフィードバックを盛り込んだ(カスタム)設計案をお送りいたします。これにより、お客様のカスタムプロジェクトのコスト面での実現可能性を確保し、かかる費用について明確な見通しをご提供いたします。
ご注文の確認と生産開始
お見積もりとデザインをご承認いただくと、確認の連絡をいただいた翌朝、お客様のプロジェクトは当社の制作スケジュールに組み込まれます。
配送・お届けについて
通常、受注生産品は20~45営業日以内に発送されます。在庫品およびサンプルは48時間以内に発送されます。
たった4つのステップ
Custom Monel 400 Quotation Process
綿密な打ち合わせから最終納品に至るまで、私たちは custom monel 400 product ご注文は簡単で便利です。卓越したカスタマーサービスにより、お客様のニーズを先読みし、専門的なソリューションをご提供するとともに、納期厳守をお約束します。
Monel 400 Supplier - Arialloy
生産から品質管理まで、すべての工程を完璧を目指してきめ細かく調整しています
Arialloy monel alloy 400 manufacturer has always been at the forefront of the industry. With its unremitting pursuit of quality, precision, and professional solutions, Arialloy has gradually established a complete production system and rapid supply capabilities. By continuously improving manufacturing processes, adopting cutting edge equipment, and adhering to strict quality control, Arialloy ensures that every product meets the highest requirements for durability, precision, and international standards

Monel 400 Knowledge
Nickel Alloy 400 Wiki
Arialloyは、お客様の選択に影響を与えるあらゆる要素について、お客様と共に検討いたします
化学組成、機械的特性、温度特性、価格、製造工程などを含む

Inconel 686 対 Inconel 686
Inconel 601にアルミニウムを添加することで、高温下において表面に安定した酸化アルミニウム(Al₂O₃)層の形成が促進されます。この保護膜は、著しく

Inconel 600 対 Inconel 601
Inconel 合金600(UNS N06600 / W.Nr. 2.4816)は、高温下での優れた耐食性と機械的安定性を実現するために設計された、代表的なニッケル・クロム・鉄系超合金です。この合金は、

Monel 400 対 Inconel 600
この表が示すように、Monel 400にはニッケルと銅が大量に含まれているため、海水や多くの酸による腐食に対して優れた耐性を発揮しますが、一方でクロムが
More Monel Grades
Monel Alloy Grades
Explore the full range of monel alloys to expand your material choices and ensure you find the perfect nickel alloy
Custom Monel 400 FAQs
当社の専門家チームが、お客様のビジョンを現実のものにするため、あらゆる段階でサポートいたします。関連するサポートについては、よくある質問(FAQ)をご覧ください。
To purchase monel 400, send your requirements directly to sales@arialloy.com or submit the form below. Our sales team will prepare a quotation based on your specifications. Once you approve the quotation, you can send us your Purchase Order, and we will issue a Proforma Invoice. Manufacturing will begin after receipt of the required prepayment, and we will contact you when production is completed.
We have an experienced sales team ready to handle your monel 400 inquiries. In most cases, you will receive our quotation within 24 hours. Should we need additional details or be unable to quote, we will contact you without delay.
Monel 400 is normally quoted under FOB terms, which means the buyer generally selects a freight forwarder to manage the shipment. We will coordinate with your appointed forwarder on all required local operations. If you would rather have us take care of shipping, we can arrange it and check the freight charges for you.
Since alloys contain multiple metallic elements, their pricing is strongly affected by the cost of the metals used to make them. For superalloys, key materials such as nickel and copper account for a substantial part of the overall price. When these raw metal prices move, the alloy price usually follows.
All of our monel 400 materials are melted internally. Our factory operates over 30 vacuum melting and electroslag remelting furnaces, available in four capacities 50 kg, 200 kg, 1,000 kg, and 5,000 kg. This flexible equipment setup enables us to support smaller MOQs as well as larger production batches.
Yes, material test reports for monel 400 are issued according to industry standards prior to dispatch. They cover the applicable material standard, chemical analysis, mechanical test results, dimensions, and heat number to verify compliance.
We maintain strict control over material ratios throughout the monel 400 melting process and use chemical analysis to monitor the alloy chemistry. Once finished, the material undergoes PMI testing, with independent laboratory analysis available upon request.









