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.
Komposisi Kimia
Elemen
Komposisi (%)
Nikel (Ni)
66.0 min
Kromium (Cr)
21.0 – 23.5
Besi (Fe)
5.0 – 7.0
Molibdenum (Mo)
6.0 – 8.0
Tembaga
1.0 – 2.5
Mangan (Mn)
1,0 maks
Silikon (Si)
0.70 max
Karbon (C)
00,05 – 0,15
Belerang (S)
00,015 maks
Fosfor (P)
00,015 maks
Sifat Mekanik
Milik
Nilai
Kekuatan Tarik, ksi (MPa)
110 (760) menit
Kekuatan Hasil (offset 0,2%), ksi (MPa)
52 (360) min
Perpanjangan (% dalam 2 inci)
40 menit
Kekerasan, Rockwell C (HRC)
25 – 35
Performa pada Suhu Berbeda
HASTELLOY® G™ alloy exhibits excellent performance across varying temperature ranges:
Suhu Kamar:Exceptional resistance to oxidizing and reducing acids such as sulfuric acid, nitric acid, and hydrochloric acid.
Suhu Tinggi:Maintains high strength and corrosion resistance up to 1800°F (980°C), making it suitable for high-temperature chemical processing.
Suhu Rendah:Retains ductility and toughness at cryogenic temperatures, ensuring reliability in extreme environments.
Aplikasi Industri
HASTELLOY® G™ alloy finds applications across various industries due to its superior corrosion resistance:
Sektor Industri
Aplikasi
Pengolahan Kimia
Reactors, heat exchangers, and piping systems handling aggressive chemicals such as acids and chlorides.
Pulp dan Kertas
Peralatan untuk pabrik pemutih, pencernaan, dan evaporator yang terkena media korosif.
Minyak dan Gas
Components in refineries and petrochemical plants exposed to sour gas environments containing hydrogen sulfide.
Farmasi
Pharmaceutical processing equipment requiring resistance to harsh chemicals.
Bentuk, Ukuran, dan Standar Produksi
Formulir Produk
Bentuk Tersedia
Ukuran Tersedia
Standar Produksi
Seprai/Pelat
Piring, Seprai
Ketebalan: 0,025″ – 1.000″ (0,64mm – 25,4mm)
ASTM B582
Bar
Batang bulat, batang heksagonal
Diameter: 0,25″ – 6,0″ (6,35mm – 152,4mm)
ASTM B582
Tabung/Pipa
Tabung mulus, pipa dilas
DARI: 0,5″ – 6,0″ (12,7mm – 152,4mm)
ASTM B619, ASTM B622
Standar dan Nilai yang Sesuai
Negara/Wilayah
Standar/Kelas
Amerika Serikat
UNS N06007
Eropa
2.4618
Jerman
NiCr23Mo16Cu
Perancis
NC23FeDU
Pengelasan, Pengolahan, Pemolesan, Perlakuan Panas
Proses
Detail
Pengelasan
Kemampuan las yang sangat baik menggunakan metode TIG, MIG, memastikan sambungan yang kuat dan andal di lingkungan yang korosif.
Pengolahan
Dapat dikerjakan menggunakan metode konvensional, menawarkan fleksibilitas dalam proses fabrikasi.
Pemolesan
Mampu mencapai hasil akhir yang halus untuk meningkatkan ketahanan terhadap korosi dan daya tarik estetika.
Perlakuan Panas
Annealing pada suhu 2050°F (1121°C) diikuti dengan pendinginan cepat akan mengoptimalkan sifat dan kinerja material.
Pengolahan Dingin, Kelebihan dan Kekurangan
Aspek
Detail
Pemrosesan Dingin
Mempertahankan keuletan dan sifat mampu bentuk pada suhu kamar, memfasilitasi pembentukan dan fabrikasi.
Keuntungan
Exceptional resistance to a wide range of aggressive chemicals, high mechanical strength, and reliability in extreme environments.
Kekurangan
Biaya awal lebih tinggi dibandingkan baja tahan karat konvensional, terbatasnya ketersediaan bentuk dan ukuran tertentu.
Produk Serupa
Nama Produk
Perbandingan
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)
Kandungan kromium yang lebih tinggi dan ketahanan terhadap asam pengoksidasi dan pereduksi, termasuk klorin basah serta klorida besi dan kupri.
Perbandingan Produk Serupa
Properti/Fitur
Hastelloy G™
Hastelloy C-276
Hastelloy C-22
Kandungan Nikel (%)
66.0
57.0
56.0
Konten Molibdenum (%)
6.0 – 8.0
15.0 – 17.0
12.5 – 14.5
Konten Kromium (%)
21.0 – 23.5
14.5 – 16.5
20.0 – 22.5
Kekuatan Tarik (ksi)
110 menit
110 menit
115 menit
Kekuatan Hasil (ksi)
52 menit
52 menit
55 menit
Ketahanan Korosi
Excellent in oxidizing and reducing acids, including sulfuric, nitric, and hydrochloric acid.
Sangat baik dalam berbagai lingkungan korosif, termasuk oksidator kuat dan zat pereduksi.
Sangat baik dalam mengoksidasi dan mereduksi asam, termasuk klorin basah dan klorida besi dan kupri.
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.
