Hastelloy C-4 welded pipe (UNS N06455) is a low-carbon nickel-based corrosion-resistant alloy welded pipe material, which is famous for its excellent resistance to oxidation, reduction and chloride medium corrosion, and is particularly suitable for high temperature and strong corrosive environments. Its main components are nickel (balance), chromium (14-18%), and molybdenum (14-17%). The carbon (≤0.015%) and silicon (≤0.08%) contents are strictly controlled, which effectively reduces the precipitation of welding carbides, significantly improves the intergranular corrosion resistance and welding stability, and is suitable for TIG, MIG and other welding processes.
Hastelloy C-4 welded pipe still maintains excellent high-temperature mechanical properties and corrosion resistance above 600℃, especially resistance to chloride stress corrosion cracking (Cl-SCC), and is widely used in chemical (reactors, corrosive pipelines), energy (flue gas desulfurization, nuclear fuel processing), petroleum (sour oil and gas production) and pharmaceutical fields for high-purity medium transportation.

Gnee Steel is a professional manufacturer of various nickel-based alloys. Gnee Steel's product packaging includes steel strapping: pipes with an outer diameter of no more than 3 inches are usually strapped together with polypropylene film to prevent rust during sea transportation, and then fixed with steel straps; wooden boxes/crates: pipes are usually packaged in wooden boxes or crates to protect them during transportation, especially pipes with longer lengths or larger diameters; airworthy export packaging: suppliers usually use standard airworthy export packaging methods, which may include various materials and technologies to protect pipes during transportation; rainproof cloth packaging: prevents external rainwater, seawater, etc. from penetrating into the export wooden box packaging during transportation. Gnee Steel specializes in the production and sale of alloy materials. Gnee Steel's products are widely used in aerospace, chemical, electric power, automotive, nuclear energy and other fields, and can provide customized alloy material solutions according to customer needs. If you need to understand the price of alloy materials or provide customized alloy material solutions, please feel free to contact us for a quote at ss@gneesteel.com