Gost hn70u rod 2-120mm round bar profile round steel bar 0.5-2 meters (length : 1.5 Meter, size : 40mm)

Discover hn70u, a heat-resistant chrome-nickel-aluminum steel available in thicknesses ranging from 2 mm to 120 mm, with a length tolerance of +/- 2 mm. If you need a specific grade or dimension not listed, please contact us—our team is happy to provide a custom offer.This product is available upon request, with a production time of about one month and shipping preparation within 2-3 working days. Delivery times depend on the parcel service; please refer to our FAQ for more details.The hn70u alloy features approximately 26-29% chromium, 65-71% nickel, and 2.8-3.5% aluminum, with a maximum of 1% iron. It is known for its excellent heat resistance and high strength. While it can be welded, preheating to 100-120°C and further heat treatment after welding are required. Note that hn70u is not stable in sulphurous environments.Ideal for use in gaseous environments at temperatures between 550°C and 1200°C, hn70u is commonly used in gas pipeline construction, heating elements, welding wire production, and turbine combustion chambers.Key features include: - Outstanding heat resistance - High strength - Conditional weldability (special preparation required) - Not suitable for sulphurous atmospheresOrder hn70u from Evek GmbH, your trusted supplier of high-quality GOST steels and metals. We deliver worldwide and offer competitive prices. If you have any questions or special requirements, our sales team is here to assist you.