HASTELLOY® alaşımı B-2

HASTELLOY-Alloy-b2

HASTELLOY Alloy B-2 (UNS N10665) Product Introduction

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

ÖğeKompozisyon (%)
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 max
Fosfor (P)00,040 maksimum
Kükürt (S)00,030 maksimum

Mekanik özellikler

MülkDeğer
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 SektörüUygulamalar
Kimyasal İşlemeReactor vessels, heat exchangers, and piping systems handling aggressive acids like sulfuric, hydrochloric, and phosphoric acids.
PetrokimyaEquipment for processing acids and chemicals in refineries and chemical plants.
İlaçPharmaceutical processing equipment requiring corrosion resistance to acids.
Kağıt Hamuru ve KağıtDigesters, bleach plants, and equipment for corrosive chemical environments in paper production.

Şekiller, Boyutlar ve Üretim Standartları

Ürün FormuMevcut ŞekillerMevcut BoyutlarÜretim Standartları
ÇarşaflarPlakalar, ÇarşaflarKalınlık: 0,025″ – 4,000″ (0,64mm – 101,6mm)ASTM B333
BarlarYuvarlak çubuklar, altıgen çubuklarÇap: 0,25″ – 4,0″ (6,35mm – 101,6mm)ASTM B335
Tüpler/BorularDikişsiz borular, kaynaklı borularDış Çap: 0,5″ – 8,0″ (12,7 mm – 203,2 mm)ASTM B619, ASTM B622

Standartlar ve İlgili Sınıflar

Ülke/BölgeStandart/Sınıf
AmerikaUNS N10665
Avrupa2.4617
AlmanyaNiMo28
FransaNiMo28

Kaynak, İşleme, Parlatma, Isıl İşlem

İşlemDetaylar
KaynakExcellent weldability using TIG, MIG methods, suitable for joining components in corrosive environments without compromising integrity.
İşlemeMachinable using conventional methods, offers flexibility in fabrication processes to meet specific design requirements.
ParlatmaCapable of achieving smooth finishes for enhanced corrosion resistance, critical in applications requiring sanitary conditions.
Isı tedavisiSolution annealing at 1950°F (1065°C) followed by rapid quenching ensures optimal material properties and performance under stress.

Soğuk İşleme, Avantajları ve Dezavantajları

Bakış açısıDetaylar
Soğuk İşlemeRetains ductility and formability at room temperature, facilitating shaping and forming processes in manufacturing.
AvantajlarıExceptional resistance to reducing acids, high mechanical strength, and reliability in aggressive chemical environments.
DezavantajlarıHigher initial cost compared to conventional stainless steels, limited availability in certain shapes and sizes may require custom fabrication solutions.

benzer ürünler

Ürün AdıKarşılaştırmak
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/ÖzellikHASTELLOY Alloy B-2 (UNS N10665)HASTELLOY Alloy C-276 (UNS N10276)HASTELLOY Alloy B-3 (UNS N10675)
Nikel İçeriği (%)65,0 dk57.065.0
Molibden İçeriği (%)26.0 – 30.016.028.0
Krom İçeriği (%)Maksimum 1,016.01.5
Çekme Dayanımı (ksi)110 dakika100 dakika110 dakika
Akma Dayanımı (ksi)51 dakika40 dakika40 dakika
Korozyon DirenciExcellent 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.