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.
산업 응용
산업 분야
애플리케이션
석유 및 가스
Downhole equipment, subsea pipelines.
석유화학
Heat exchangers, chemical processing equipment.
선박
Offshore platforms, seawater handling systems.
발전
Condensers, boiler components.
Shape, Size, and Production Standards
제품 형태
사용 가능한 모양
사용 가능한 크기
생산 표준
시트
플레이트, 시트
Various thicknesses
ASTM B688, ASTM B709
바
둥근 막대, 육각형 막대
Diameter range
ASTM B805
튜브/파이프
심리스 튜브, 용접 파이프
Various dimensions
ASTM B690, ASTM B775
표준 및 해당 등급
국가/지역
표준/등급
미국
UNS S31277
유럽
1.4529
독일
X1NiCrMoCuN20-18-7
프랑스
Z1NCDU20.18.06Az
용접, 가공, 연마, 열처리
프로세스
세부
용접
Excellent weldability using TIG, MIG methods.
처리
Cold and hot forming processes. Machinable with standard methods.
세련
Achieves smooth finishes suitable for sanitary applications.
열처리
Solution annealing at 2100°F (1150°C) followed by rapid quenching.
냉간 가공, 장점 및 단점
측면
세부
냉간 가공
Excellent formability and cold workability.
장점
High resistance to chloride-induced stress corrosion cracking. Good mechanical properties over a wide temperature range.
단점
Higher initial cost compared to standard stainless steels. Requires expertise in welding to prevent sensitization.
유사한 제품
상품명
비교
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.
유사 제품 비교
속성/특징
INCOLOY Alloy 27-7MO (UNS S31277)
Alloy 926 (UNS N08926)
Alloy 254 SMO (UNS S31254)
니켈 함량(%)
26.0 – 28.0
24.0 – 26.0
18.0 – 20.0
크롬 함량(%)
26.0 – 28.0
19.0 – 21.0
19.5 – 20.5
몰리브덴 함량(%)
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
인장 강도(ksi)
115분
100분
100분
항복강도(ksi)
55분
45분
45분
신장률(%)
40분
40분
35 min
Resistance to SCC
높은
높은
높은
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.
