HASTELLOY® alaşımı 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.

Kimyasal bileşim

ÖğeKompozisyon (%)
Nikel (Ni)66.0 min
Krom (Cr)21.0 – 23.5
Demir (Fe)5.0 – 7.0
Molibden (Mo)6.0 – 8.0
Bakır1.0 – 2.5
Manganez (Mn)Maksimum 1,0
Silikon (Si)0.70 max
Karbon (C)0.05 – 0.15
Kükürt (S)00,015 maksimum
Fosfor (P)00,015 maksimum

Mekanik özellikler

MülkDeğer
Çekme Dayanımı, ksi (MPa)110 (760) dk
Akma Dayanımı (%0,2 ofset), ksi (MPa)52 (360) min
Uzama (2 inç cinsinden)40 dakika
Hardness, Rockwell C (HRC)25 – 35

Farklı Sıcaklıklarda Performans

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

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

Endüstri Uygulamaları

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

Sanayi SektörüUygulamalar
Kimyasal İşlemeReactors, heat exchangers, and piping systems handling aggressive chemicals such as acids and chlorides.
Kağıt Hamuru ve KağıtEquipment for bleach plants, digesters, and evaporators exposed to corrosive media.
Petrol ve GazComponents in refineries and petrochemical plants exposed to sour gas environments containing hydrogen sulfide.
İlaçPharmaceutical processing equipment requiring resistance to harsh chemicals.

Şekiller, Boyutlar ve Üretim Standartları

Ürün FormuMevcut ŞekillerMevcut BoyutlarÜretim Standartları
Sheets/PlatesPlakalar, ÇarşaflarThickness: 0.025″ – 1.000″ (0.64mm – 25.4mm)ASTM B582
BarlarYuvarlak çubuklar, altıgen çubuklarDiameter: 0.25″ – 6.0″ (6.35mm – 152.4mm)ASTM B582
Tüpler/BorularDikişsiz borular, kaynaklı borularOD: 0.5″ – 6.0″ (12.7mm – 152.4mm)ASTM B619, ASTM B622

Standartlar ve İlgili Sınıflar

Ülke/BölgeStandart/Sınıf
AmerikaUNS N06007
Avrupa2.4618
AlmanyaNiCr23Mo16Cu
FransaNC23FeDU

Kaynak, İşleme, Parlatma, Isıl İşlem

İşlemDetaylar
KaynakAşındırıcı ortamlarda güçlü ve güvenilir bağlantılar sağlayan TIG, MIG yöntemleri kullanılarak mükemmel kaynaklanabilirlik.
İşlemeGeleneksel yöntemler kullanılarak işlenebilir, imalat süreçlerinde esneklik sunar.
ParlatmaGelişmiş korozyon direnci ve estetik çekicilik için pürüzsüz yüzeyler elde etme kapasitesi.
Isı tedavisiAnnealing at 2050°F (1121°C) followed by rapid quenching optimizes material properties and performance.

Soğuk İşleme, Avantajları ve Dezavantajları

Bakış açısıDetaylar
Soğuk İşlemeOda sıcaklığında sünekliği ve şekillendirilebilirliği korur, şekillendirmeyi ve imalatı kolaylaştırır.
AvantajlarıExceptional resistance to a wide range of aggressive chemicals, high mechanical strength, and reliability in extreme environments.
DezavantajlarıHigher initial cost compared to conventional stainless steels, limited availability of specific shapes and sizes.

benzer ürünler

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

Benzer Ürünlerin Karşılaştırılması

Özellik/ÖzellikHastelloy G™Hastelloy C-276Hastelloy C-22
Nikel İçeriği (%)66.057.056.0
Molibden İçeriği (%)6.0 – 8.015.0 – 17.012.5 – 14.5
Krom İçeriği (%)21.0 – 23.514.5 – 16.520.0 – 22.5
Çekme Dayanımı (ksi)110 dakika110 dakika115 min
Akma Dayanımı (ksi)52 min52 min55 min
Korozyon DirenciExcellent in oxidizing and reducing acids, including sulfuric, nitric, and hydrochloric acid.Excellent in a wide range of corrosive environments, including strong oxidizers and reducing agents.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.