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
成形性、冷間加工性に優れています。
利点
High resistance to chloride-induced stress corrosion cracking. Good mechanical properties over a wide temperature range.
短所
通常のステンレスに比べイニシャルコストが高くなります。感作を防ぐには溶接の専門知識が必要です。
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分
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.
