HASTELLOY® alaşımı C-276

HASTELLOY-Alloy-C-276

HASTELLOY C276 (UNS N10276) Product Introduction

HASTELLOY C276 (UNS N10276) is a highly versatile nickel-molybdenum-chromium alloy renowned for its exceptional corrosion resistance in a wide range of severe environments. This article provides a detailed and rich introduction to HASTELLOY C276, covering 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.

Kimyasal bileşim

ÖğeKompozisyon (%)
Nikel (Ni)57.0 min
Krom (Cr)14.5 – 16.5
Molibden (Mo)15.0 – 17.0
Demir (Fe)4.0 – 7.0
Tungsten (W)3.0 – 4.5
Kobalt (Co)Maksimum 2,5
Manganez (Mn)Maksimum 1,0
Vanadium (V)0.35 max
Silikon (Si)00,08 maksimum
Karbon (C)00,010 maksimum
Fosfor (P)0.040 max
Kükürt (S)0.030 max

Mekanik özellikler

MülkDeğer
Çekme Dayanımı, ksi (MPa)110 (760) dk
Akma Dayanımı (%0,2 ofset), ksi (MPa)52 (355) min
Uzama (2 inç cinsinden)40 dakika
Hardness, Rockwell C (HRC)28 – 36

Farklı Sıcaklıklarda Performans

HASTELLOY C276 exhibits excellent performance across varying temperature ranges:

  • Oda Sıcaklığı: Superior resistance to corrosive media including oxidizing and reducing environments.
  • Elevated Temperatures: Maintains high strength and corrosion resistance up to 2000°F (1093°C).
  • Düşük Sıcaklıklar: Retains ductility and toughness at cryogenic temperatures, suitable for extreme environments.

Endüstri Uygulamaları

HASTELLOY alloy C276 is widely used in several industries due to its exceptional corrosion resistance:

Sanayi SektörüUygulamalar
Kimyasal İşlemeReactors, heat exchangers, and piping systems handling acids, chlorides, and other corrosive chemicals.
PetrokimyaEquipment for sulfuric acid production, pollution control, and chemical processing units.
Oil and GasComponents exposed to sour gas environments containing hydrogen sulfide.
İlaçPharmaceutical processing equipment requiring resistance to aggressive chemicals.

Şekiller, Boyutlar ve Üretim Standartları

Ürün FormuMevcut ŞekillerMevcut BoyutlarÜretim Standartları
Sheets/PlatesPlakalar, ÇarşaflarThickness: 0.025″ – 1.000″ (0.64mm – 25.4mm)ASTM B575
BarlarYuvarlak çubuklar, altıgen çubuklarDiameter: 0.25″ – 6.0″ (6.35mm – 152.4mm)ASTM B574
Tüpler/BorularDikişsiz borular, kaynaklı borularOD: 0.5″ – 6.0″ (12.7mm – 152.4mm)ASTM B622, ASTM B619

Standartlar ve İlgili Sınıflar

Ülke/BölgeStandart/Sınıf
AmerikaUNS N10276
Avrupa2.4819
AlmanyaNiMo16Cr15W
FransaNC17D

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 corrosive chemicals, high mechanical strength, and reliability in harsh environments.
DezavantajlarıHigher initial cost compared to conventional stainless steels, limited availability of specific shapes and sizes.

benzer ürünler

Ürün AdıKarşılaştırmak
HASTELLOY C-22 (UNS N06022)Comparable corrosion resistance, with higher chromium and tungsten content in C-22 providing improved resistance to oxidizing media.
INCONEL 625 (UNS N06625)Lower molybdenum content, suitable for moderate to high temperature applications but with lower overall corrosion resistance compared to C276.

Benzer Ürünlerin Karşılaştırılması

Özellik/ÖzellikHastelloy C276Hastelloy C-22INCONEL 625
Nikel İçeriği (%)57.056.061.0
Molibden İçeriği (%)15.0 – 17.012.5 – 14.58.0 – 10.0
Krom İçeriği (%)14.5 – 16.520.0 – 22.520.0 – 23.0
Çekme Dayanımı (ksi)110 dakika115 min120 min
Akma Dayanımı (ksi)52 min55 min60 min
Korozyon DirenciExcellent in a wide range of corrosive environments, including strong oxidizers and reducing agents.Excellent in oxidizing and reducing acids, including sulfuric, hydrochloric, and acetic acid.Good resistance to oxidation and corrosion in high-temperature environments.

This comprehensive article provides a detailed introduction to HASTELLOY C276 (UNS N10276), covering 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.