Excellent mechanical properties and corrosion resistance.
Elevated Temperatures (up to 1000°F / 538°C)
Maintains strength and oxidation resistance.
Low Temperatures
Retains toughness and ductility down to cryogenic temperatures.
産業用途
産業部門
アプリケーション
オイルとガス
Downhole equipment, subsea pipelines.
石油化学
Heat exchangers, chemical processing equipment.
マリン
Offshore platforms, seawater handling systems.
発電
Condensers, boiler components.
形状・サイズ・製造規格
製品形態
利用可能な形状
利用可能なサイズ
製造基準
シート
プレート、シート
Various thicknesses
ASTM B688, ASTM B709
バー
丸棒、六角棒
Diameter range
ASTM B805
チューブ/パイプ
継目無管、溶接管
Various dimensions
ASTM B690, ASTM B775
規格と対応グレード
国/地域
標準/グレード
アメリカ合衆国
UNS S31277
ヨーロッパ
1.4529
ドイツ
X1NiCrMoCuN20-18-7
フランス
Z1NCDU20.18.06Az
溶接、加工、研磨、熱処理
プロセス
詳細
溶接
Excellent weldability using TIG, MIG methods.
処理
Cold and hot forming processes. Machinable with standard methods.
研磨
Achieves smooth finishes suitable for sanitary applications.
熱処理
Solution annealing at 2100°F (1150°C) followed by rapid quenching.
冷間加工、メリット、デメリット
側面
詳細
冷間加工
Excellent formability and cold workability.
利点
High resistance to chloride-induced stress corrosion cracking. Good mechanical properties over a wide temperature range.
短所
Higher initial cost compared to standard stainless steels. Requires expertise in welding to prevent sensitization.
類似製品
商品名
比較
Alloy 926 (UNS N08926)
Higher molybdenum content, similar applications in aggressive environments.
Alloy 254 SMO (UNS S31254)
Higher chromium and molybdenum content, excellent resistance to pitting and crevice corrosion.
類似製品の比較
性質・特徴
INCOLOY Alloy 27-7MO (UNS S31277)
Alloy 926 (UNS N08926)
Alloy 254 SMO (UNS S31254)
ニッケル含有量 (%)
26.0 – 28.0
24.0 – 26.0
18.0 – 20.0
クロム含有量 (%)
26.0 – 28.0
19.0 – 21.0
19.5 – 20.5
モリブデン含有量 (%)
6.0 – 7.0
6.0 – 7.0
6.0 – 6.5
Copper Content (%)
1.5～2.5
1.5～3.0
0.5 – 1.0
Nitrogen Content (%)
0.25 – 0.30
0.15 – 0.25
0.18 – 0.22
引張強さ (ksi)
115分
100分
100分
降伏強さ (ksi)
55分
45分
45分
伸長 （％）
40分
40分
35 min
Resistance to SCC
高い
高い
高い
Typical Applications
Oil and gas, petrochemical, marine
Chemical processing, marine
Chemical processing, marine
This structured presentation provides a detailed overview of INCOLOY Alloy 27-7MO (UNS S31277), encompassing its chemical composition, mechanical properties, performance characteristics at different temperatures, industry applications, available shapes and sizes, production standards, welding and processing capabilities, as well as the advantages, disadvantages, and comparable products. Each section is organized into tables to ensure clarity and accessibility of technical specifications and comparisons.
