HASTELLOY alloy B-2 (UNS N10665) is a nickel-molybdenum alloy known for its excellent resistance to reducing acids such as hydrochloric acid, sulfuric acid, and phosphoric acid. It offers robust mechanical properties and reliability across a wide range of temperatures, making it suitable for various demanding applications in corrosive environments.
Kimyasal bileşim
Öğe
Kompozisyon (%)
Nikel (Ni)
65,0 dk
Molibden (Mo)
26.0 – 30.0
Demir (Fe)
Maksimum 2,0
Krom (Cr)
Maksimum 1,0
Kobalt (Co)
Maksimum 1,0
Manganez (Mn)
Maksimum 1,0
Silikon (Si)
00,10 maksimum
Karbon (C)
0.02 maks.
Fosfor (P)
00,040 maksimum
Kükürt (S)
00,030 maksimum
Mekanik özellikler
Mülk
Değer
Çekme Dayanımı, ksi (MPa)
110 (760) dk
Akma Dayanımı (%0,2 ofset), ksi (MPa)
51 (350) dk
Uzama (2 inç cinsinden)
40 dakika
Sertlik, Rockwell B (HRB)
88 max
Farklı Sıcaklıklarda Performans
HASTELLOY B-2 demonstrates reliable performance across various temperature ranges:
Oda Sıcaklığı:Offers outstanding resistance to reducing acids, ensuring longevity in chemical processing equipment.
Yüksek Sıcaklıklar (1000°F / 538°C'ye kadar):Maintains high strength and corrosion resistance in challenging industrial environments.
Düşük Sıcaklıklar:Retains ductility and toughness even at cryogenic temperatures, suitable for applications requiring resilience in extreme conditions.
Endüstri Uygulamaları
HASTELLOY alloy B-2 finds widespread use in several key industries:
Sanayi Sektörü
Uygulamalar
Kimyasal İşleme
Reactor vessels, heat exchangers, and piping systems handling aggressive acids like sulfuric, hydrochloric, and phosphoric acids.
Petrokimya
Equipment for processing acids and chemicals in refineries and chemical plants.
İlaç
Pharmaceutical processing equipment requiring corrosion resistance to acids.
Kağıt Hamuru ve Kağıt
Digesters, bleach plants, and equipment for corrosive chemical environments in paper production.
Şekiller, Boyutlar ve Üretim Standartları
Ürün Formu
Mevcut Şekiller
Mevcut Boyutlar
Üretim Standartları
Çarşaflar
Plakalar, Çarşaflar
Kalınlık: 0,025″ – 4,000″ (0,64mm – 101,6mm)
ASTM B333
Barlar
Yuvarlak çubuklar, altıgen çubuklar
Çap: 0,25″ – 4,0″ (6,35mm – 101,6mm)
ASTM B335
Tüpler/Borular
Dikişsiz borular, kaynaklı borular
Dış Çap: 0,5″ – 8,0″ (12,7 mm – 203,2 mm)
ASTM B619, ASTM B622
Standartlar ve İlgili Sınıflar
Ülke/Bölge
Standart/Sınıf
Amerika
UNS N10665
Avrupa
2.4617
Almanya
NiMo28
Fransa
NiMo28
Kaynak, İşleme, Parlatma, Isıl İşlem
İşlem
Detaylar
Kaynak
Excellent weldability using TIG, MIG methods, suitable for joining components in corrosive environments without compromising integrity.
İşleme
Machinable using conventional methods, offers flexibility in fabrication processes to meet specific design requirements.
Parlatma
Capable of achieving smooth finishes for enhanced corrosion resistance, critical in applications requiring sanitary conditions.
Isı tedavisi
Solution annealing at 1950°F (1065°C) followed by rapid quenching ensures optimal material properties and performance under stress.
Soğuk İşleme, Avantajları ve Dezavantajları
Bakış açısı
Detaylar
Soğuk İşleme
Retains ductility and formability at room temperature, facilitating shaping and forming processes in manufacturing.
Avantajları
Exceptional resistance to reducing acids, high mechanical strength, and reliability in aggressive chemical environments.
Dezavantajları
Higher initial cost compared to conventional stainless steels, limited availability in certain shapes and sizes may require custom fabrication solutions.
benzer ürünler
Ürün Adı
Karşılaştırmak
HASTELLOY Alloy C-276 (UNS N10276)
Higher molybdenum content, broader corrosion resistance in severe environments, suitable for a wider range of chemicals.
HASTELLOY Alloy B-3 (UNS N10675)
Enhanced thermal stability, superior resistance to hydrochloric acid and other strong acids, ideal for applications requiring extended service life in aggressive chemical environments.
Benzer Ürünlerin Karşılaştırılması
Özellik/Özellik
HASTELLOY Alloy B-2 (UNS N10665)
HASTELLOY Alloy C-276 (UNS N10276)
HASTELLOY Alloy B-3 (UNS N10675)
Nikel İçeriği (%)
65,0 dk
57.0
65.0
Molibden İçeriği (%)
26.0 – 30.0
16.0
28.0
Krom İçeriği (%)
Maksimum 1,0
16.0
1.5
Çekme Dayanımı (ksi)
110 dakika
100 dakika
110 dakika
Akma Dayanımı (ksi)
51 dakika
40 dakika
40 dakika
Korozyon Direnci
Excellent in reducing environments, withstands sulfuric, hydrochloric, and phosphoric acids.
Wide range of corrosive environments, excellent resistance to oxidizing and reducing acids.
Exceptional resistance to strong acids including hydrochloric acid, sulfuric acid, and other harsh chemicals.
This article provides a comprehensive overview of HASTELLOY alloy B-2 (UNS N10665), highlighting 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 advantages, disadvantages, and comparisons with similar products. Each section is presented in a structured table format to ensure clarity and accessibility of technical information, catering to engineers, manufacturers, and professionals in the chemical and industrial sectors.
