HASTELLOY® 합금 G

HASTELLOY-Alloy-G

Super Alloy HASTELLOY® G™ (UNS N06007) Product Introduction

HASTELLOY® G™ (UNS N06007) is a highly corrosion-resistant nickel-chromium-iron-molybdenum alloy designed for extreme environments where resistance to oxidizing and reducing acids is critical. This article provides a comprehensive introduction to HASTELLOY® G™ alloy, detailing its chemical composition, mechanical properties, performance across different temperatures, industry applications, available shapes and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar products.

화학적 구성 요소

요소구성 (%)
니켈(Ni)66.0 min
크롬(Cr)21.0 – 23.5
철(Fe)5.0 – 7.0
몰리브덴(Mo)6.0 – 8.0
구리1.0 – 2.5
망간(Mn)최대 1.0
실리콘(Si)0.70 max
탄소(C)0.05 – 0.15
유황(S)0.015 최대
인(P)0.015 최대

기계적 성질

재산
인장 강도, ksi(MPa)110(760)분
항복 강도(0.2% 오프셋), ksi(MPa)52 (360) min
신율(2인치 단위의 %)40분
경도, 로크웰 C(HRC)25 – 35

다양한 온도에서의 성능

HASTELLOY® G™ alloy exhibits excellent performance across varying temperature ranges:

  • 실온: Exceptional resistance to oxidizing and reducing acids such as sulfuric acid, nitric acid, and hydrochloric acid.
  • 상승된 온도: Maintains high strength and corrosion resistance up to 1800°F (980°C), making it suitable for high-temperature chemical processing.
  • 저온: Retains ductility and toughness at cryogenic temperatures, ensuring reliability in extreme environments.

산업 응용

HASTELLOY® G™ alloy finds applications across various industries due to its superior corrosion resistance:

산업 분야애플리케이션
화학 처리Reactors, heat exchangers, and piping systems handling aggressive chemicals such as acids and chlorides.
Pulp and PaperEquipment for bleach plants, digesters, and evaporators exposed to corrosive media.
석유 및 가스Components in refineries and petrochemical plants exposed to sour gas environments containing hydrogen sulfide.
제약Pharmaceutical processing equipment requiring resistance to harsh chemicals.

모양, 크기 및 생산 표준

제품 형태사용 가능한 모양사용 가능한 크기생산 표준
시트/플레이트플레이트, 시트두께: 0.025″ – 1.000″ (0.64mm – 25.4mm)ASTM B582
둥근 막대, 육각형 막대직경: 0.25″ – 6.0″ (6.35mm – 152.4mm)ASTM B582
튜브/파이프심리스 튜브, 용접 파이프외경: 0.5″ – 6.0″ (12.7mm – 152.4mm)ASTM B619, ASTM B622

표준 및 해당 등급

국가/지역표준/등급
미국UNS N06007
유럽2.4618
독일NiCr23Mo16Cu
프랑스NC23FeDU

용접, 가공, 연마, 열처리

프로세스세부
용접TIG, MIG 방법을 사용하여 용접성이 뛰어나 부식 환경에서도 강력하고 안정적인 접합을 보장합니다.
처리기존 방법을 사용하여 가공이 가능하며 제조 공정에 유연성을 제공합니다.
세련향상된 내식성과 미적 매력을 위해 매끄러운 마감을 달성할 수 있습니다.
열처리1121°C(2050°F)에서 어닐링한 후 급속 담금질하면 재료 특성과 성능이 최적화됩니다.

냉간 가공, 장점 및 단점

측면세부
냉간 가공실온에서 연성 및 성형성을 유지하여 성형 및 제조를 용이하게 합니다.
장점Exceptional resistance to a wide range of aggressive chemicals, high mechanical strength, and reliability in extreme environments.
단점기존 스테인리스강에 비해 초기 비용이 높으며 특정 모양과 크기의 가용성이 제한적입니다.

유사한 제품

상품명비교
HASTELLOY C-276 (UNS N10276)Higher molybdenum content and broader resistance to oxidizing and reducing environments compared to G™ alloy.
하스텔로이 C-22 (UNS N06022)Higher chromium content and resistance to oxidizing and reducing acids, including wet chlorine and ferric and cupric chlorides.

유사 제품 비교

속성/특징Hastelloy G™Hastelloy C-276하스텔로이 C-22
니켈 함량(%)66.057.056.0
몰리브덴 함량(%)6.0 – 8.015.0 – 17.012.5 – 14.5
크롬 함량(%)21.0 – 23.514.5 – 16.520.0 – 22.5
인장 강도(ksi)110분110분115분
항복강도(ksi)52분52분55분
부식 저항Excellent in oxidizing and reducing acids, including sulfuric, nitric, and hydrochloric acid.강산화제, 환원제 등 광범위한 부식성 환경에서 탁월한 성능을 발휘합니다.Excellent in oxidizing and reducing acids, including wet chlorine and ferric and cupric chlorides.

This comprehensive article provides a detailed introduction to HASTELLOY® G™ alloy (UNS N06007), encompassing its chemical composition, mechanical properties, performance in various environments, industry applications, available forms and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar alloys. The structured format using tables ensures clarity and accessibility of technical information, catering to engineers, manufacturers, and professionals seeking corrosion-resistant materials for demanding applications.