Excellent mechanical properties and corrosion resistance.
Elevated Temperatures (up to 1000°F / 538°C)
保持強度和抗氧化性。
低溫
Retains toughness and ductility down to cryogenic temperatures.
產業應用
工業部門
應用領域
油和氣
Downhole equipment, subsea pipelines.
石油化工
Heat exchangers, chemical processing equipment.
海洋
Offshore platforms, seawater handling systems.
發電
Condensers, boiler components.
形狀、尺寸及生產標準
產品形態
可用形狀
可供選擇的尺寸
生產標準
床單
板材、片材
各種厚度
ASTM B688, ASTM B709
酒吧
圓棒、六角棒
直徑範圍
ASTM B805
管材/管道
無縫管、焊管
各種尺寸
ASTM B690, ASTM B775
標準及對應等級
國家/地區
標準/等級
美國
UNS S31277
歐洲
1.4529
德國
X1NiCrMoCuN20-18-7
法國
Z1NCDU20.18.06Az
焊接、加工、拋光、熱處理
過程
細節
焊接
Excellent weldability using TIG, MIG methods.
加工
冷成型和熱成型製程。可採用標準方法加工。
拋光
實現適合衛生應用的光滑表面。
熱處理
Solution annealing at 2100°F (1150°C) followed by rapid quenching.
冷加工的優點和缺點
方面
細節
冷加工
優良的成型性和冷加工性。
優點
High resistance to chloride-induced stress corrosion cracking. Good mechanical properties over a wide temperature range.
缺點
Higher initial cost compared to standard stainless steels. Requires expertise in welding to prevent sensitization.
類似產品
產品名稱
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.
同類產品比較
屬性/特徵
INCOLOY Alloy 27-7MO (UNS S31277)
Alloy 926 (UNS N08926)
Alloy 254 SMO (UNS S31254)
鎳含量(%)
26.0 – 28.0
24.0 – 26.0
18.0 – 20.0
鉻含量(%)
26.0 – 28.0
19.0 – 21.0
19.5 – 20.5
鉬含量(%)
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
拉伸強度 (ksi)
115 分鐘
100分鐘
100分鐘
屈服強度 (ksi)
55分鐘
45分鐘
45分鐘
伸長率(%)
40分鐘
40分鐘
35 min
Resistance to SCC
High
High
High
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.
