EN 1.4919 Stainless Steel – High-Temperature Heat-Resistant Austenitic Alloy

Overview

EN 1.4919 is a high-temperature heat-resistant austenitic stainless steel designed for continuous service in elevated temperature environments up to 850°C. It is alloyed with chromium, nickel, and small amounts of titanium to enhance high-temperature oxidation resistance and creep strength, distinguishing itself from conventional austenitic grades. This grade maintains a stable austenitic structure at room temperature, offering good corrosion resistance in mild environments and excellent thermal stability under prolonged high-heat exposure. It is specifically tailored for power generation, petrochemical, and industrial heating applications that demand long-term performance at high temperatures.

Chemical Composition (wt%)

C ≤ 0.08, Cr: 17.00-19.00, Ni: 10.00-12.00, Ti: 0.15-0.40, Mn ≤ 2.00, Si ≤ 1.00, P ≤ 0.045, S ≤ 0.015

Typical Mechanical Properties (Annealed Condition)

Tensile Strength (Rm): ≥ 515 MPa; Yield Strength (Rp0.2): ≥ 205 MPa; Elongation (A): ≥ 40%; Brinell Hardness (HB): ≤ 201

Core Advantages

Excellent high-temperature oxidation resistance and creep strength, suitable for continuous service at 850°C; titanium stabilization prevents intergranular corrosion during welding and high-temperature exposure; non-magnetic; good weldability and formability; stable mechanical performance under prolonged thermal stress.

Applications

Boiler tubes, high-temperature heat exchangers, furnace components, power generation equipment, petrochemical reactors, and industrial heating systems.

Equivalent Grades

AISI 321, UNS S32100, GB 06Cr18Ni10Ti, SUS321

Stainless Steel Suppliers

If you have project requirements for stainless steel, we welcome your order. GNEE has a large inventory of popular products for you to choose from. It can be processed into various practical product forms, including plates, coils, tubes, bars, wires, etc. For detailed chemical composition information and free samples, please contact our factory immediately. We offer competitive prices and excellent service.Email: info@gneestainless.com

 

Testing and Documentation: Factory test certificate, EN 10204 3.1, chemical report, mechanical report, destructive testing report, non-destructive testing report, PMI test report, visual inspection report, third-party inspection report, NABL certified laboratory report.
Packaging: Wooden crate packaging, bubble wrap packaging, steel strapping, or packaging according to customer requirements.