4903Creep-Resistant Stainless Steel for High-Temperature Applications
SINOXX 4903 is a high creep-resistant material engineered for use in high-temperature environments up to 630°C. This makes it an ideal choice for applications in the boiler tube sector and superheated steam fittings, where durability and performance under extreme thermal conditions are essential.
Industries in detail
SINOXX 4903 data sheet
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Manufacture
SINOXX 4903 is made by SIJ Acroni and SIJ Metal Ravne. The manufacturer depends on the steel's final form, affecting its physical properties and chemical composition.
Standards & certificates
Material number
1.4903
Ravne
PT950
EN
X10CrMoVNb9-1
AISI/SAE
A213/P91
Properties
Chemical composition
In weight %
Product forms
Hardening
Harden from a temperature of 1040-1090°C followed by air or oil quenching.
Forging
Hot forming temperature: 1100-800°C, cool slowly. Note: Quenching and tempering treatment must always be carried out after hot forming.
Disclaimer
Applications specifically suggested for the materials described are intended only for illustrative purposes, enabling the reader to make their own assessments. They are not to be construed as warranties, whether express or implied, regarding fitness for any particular purpose.
The information and data are provided for informational purposes only and may be revised at any time without notice.
Unless otherwise specified, all registered trademarks are the property of SIJ – Slovenska industrija jekla, d.d. (Slovenian Steel Group) and its subsidiaries (SIJ Group).
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