Nickel Alloy 205 (UNS N02205): Product Introduction
Nickel Alloy 205, designated as UNS N02205, is a commercially pure nickel alloy known for its excellent mechanical properties and corrosion resistance in various environments. This article provides a comprehensive introduction to Nickel Alloy 205, covering its chemical composition, mechanical properties, performance at different temperatures, industry applications, shapes and sizes, production standards, welding and processing capabilities, advantages and disadvantages, and a comparison with similar alloys.
化学組成
Nickel Alloy 205 is a pure nickel alloy with high nickel content and minimal impurities:
| 要素 | 構成 （％） |
|---|---|
| ニッケル(Ni) | 99.0分 |
| 鉄(Fe) | 0最大.40 |
| マンガン(Mn) | 0最大.35 |
| シリコン（Si） | 0最大.35 |
| 銅 | 0最大.25 |
| カーボン(C) | 0最大.15 |
| 硫黄(S) | 0最大.01 |
機械的性質
Nickel Alloy 205 exhibits excellent mechanical properties suitable for various applications:
| 財産 | 価値 |
|---|---|
| 引張強さ、ksi (MPa) | 65 – 85 (450 – 585) |
| 降伏強さ (0.2% オフセット)、ksi (MPa) | 15 – 35 (105 – 240) |
| 伸び (% 単位 2 インチ) | 40分 |
| 硬度、ロックウェル B (HRB) | 70 max |
性能特性
Nickel Alloy 205 offers several performance advantages:
- 耐食性: Excellent resistance to corrosion in both reducing and oxidizing environments, including acids, alkalis, and neutral salts.
- 温度耐性: Maintains mechanical properties at high temperatures, suitable for elevated temperature applications.
- 電気伝導率と熱伝導率: High electrical and thermal conductivity, making it suitable for electrical components and heat exchangers.
産業用途
Nickel Alloy 205 finds widespread use in various industries due to its unique properties:
| 産業部門 | アプリケーション |
|---|---|
| 化学処理 | Equipment and components for handling acids, alkalis, and chemicals in processing plants. |
| エレクトロニクス | Electrical connectors, switches, and components requiring high electrical conductivity and corrosion resistance. |
| マリン | Marine applications requiring resistance to seawater and brine solutions. |
形状とサイズ
Nickel Alloy 205 is available in various forms and sizes to meet diverse application needs:
- フォーム: シート、プレート、バー、チューブ、パイプ、ワイヤー。
- サイズ: 板厚は0.1mm～50mm、丸棒は直径1mm～300mmまで対応可能です。
製造基準
Nickel Alloy 205 conforms to international production standards ensuring quality and reliability:
| 製品形態 | 利用可能な形状 | 利用可能なサイズ | 製造基準 |
|---|---|---|---|
| プレート/シート | シート、プレート | 厚さ：0.1mm～50mm | ASTM B162、DIN 17750 |
| バー/ロッド | 丸棒、角棒 | 直径：1mm～300mm | ASTM B160、DIN 17752 |
| パイプ/チューブ | シームレス、溶接 | 外径：1mm～300mm | ASTM B161、ASTM B163 |
溶接・加工
Nickel Alloy 205 offers good weldability and processing characteristics:
- 溶接： Can be welded using various methods including TIG, MIG, and resistance welding. It is important to use appropriate filler metals to maintain corrosion resistance.
- 機械加工性: 焼鈍状態で良好な被削性を示します。機械加工には超硬ツーリングをお勧めします。
長所と短所
| 側面 | 詳細 |
|---|---|
| 利点 | High corrosion resistance in a wide range of environments, excellent mechanical properties over a wide temperature range, good electrical and thermal conductivity. |
| 短所 | Higher cost compared to some other nickel alloys, limited availability in some forms and sizes. |
類似合金との比較
Nickel Alloy 205 (UNS N02205) is often compared with other commercially pure nickel alloys such as Nickel 200 (UNS N02200) and Nickel 201 (UNS N02201). Here’s a brief comparison:
| 合金の種類/特性 | Nickel Alloy 205 (UNS N02205) | ニッケル 200 合金 (UNS N02200) | ニッケル 201 合金 (UNS N02201) |
|---|---|---|---|
| 化学組成 | High nickel content with low impurities, suitable for various corrosive environments. | ニッケル含有量が高く炭素が少ないため、還元環境に適しています。 | High nickel content with low carbon, improved ductility compared to Nickel 200. |
| 耐食性 | Excellent resistance to acids, alkalis, and neutral salts. Susceptible to oxidation in high-temperature oxidizing environments. | Excellent resistance to acids, alkalis, and neutral salts, with susceptibility to oxidation in certain conditions. | Good resistance to many corrosive environments, improved ductility compared to Nickel 200. |
| アプリケーション | Chemical processing, electronics, marine applications requiring corrosion resistance and high electrical conductivity. | 化学処理、エレクトロニクス、食品取り扱い。 | Electrical components, chemical processing requiring high purity and corrosion resistance. |
This detailed article introduces Nickel Alloy 205 (UNS N02205), highlighting its chemical composition, mechanical properties, performance characteristics, industry applications, available forms and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and a comparison with similar alloys. Engineers and professionals seeking a robust, corrosion-resistant material with excellent mechanical properties for demanding environments will find Nickel Alloy 205 suitable for a wide range of applications.