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

Description

EN 1.4919 is a high-performance austenitic stainless steel, designed for elevated-temperature applications requiring exceptional creep resistance and oxidation resistance. Composed of 17.0-19.0% chromium, 11.0-13.0% nickel, and small additions of molybdenum, titanium, and niobium, it delivers superior mechanical stability at temperatures up to 850°C. Unlike standard high-temperature grades like EN 1.4306, it offers enhanced corrosion resistance in high-heat, mildly corrosive environments, making it suitable for petrochemical and power generation applications. It is non-magnetic at room temperature, has good weldability and formability, and is widely used in components exposed to sustained high temperatures and moderate corrosion.

Chemical Composition (wt%)

C ≤ 0.08, Cr: 17.00-19.00, Ni: 11.00-13.00, Mo: 1.80-2.50, Ti: 0.15-0.35, Nb: 0.15-0.35, Mn ≤ 2.00, Si ≤ 1.00, P ≤ 0.045, S ≤ 0.030

Mechanical Properties

Tensile Strength ≥ 520 MPa, Yield Strength ≥ 205 MPa, Elongation ≥ 40%, Hardness ≤ 215 HB

Advantages

Superior high-temperature creep resistance; excellent oxidation resistance at 850°C; good corrosion resistance in mild high-heat environments; non-magnetic; good weldability and formability; suitable for high-temperature industrial applications.

Applications

High-temperature piping, petrochemical pressure vessels, heat exchangers, boiler parts, and power generation equipment requiring high-heat stability and moderate corrosion resistance.

Equivalent Grades

AISI 316Ti, UNS S31635, GB 06Cr17Ni12Mo2Ti

 

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.