4903Stainless Steel
SINOXX 4903 is a creep-resistant stainless steel, generally used for temperatures up to 630°C. Typical applications include the boiler tube sector and superheated steam fittings.
Industries in detail
SINOXX 4903 data sheet
President & CEO
Andrew Towey
Company Management
SIJ Americas
Manufacture
SINOXX 4903 is made by SIJ Metal Ravne.
Standards & certificates
Material number
1.4903
Ravne
PT950
EN
X10CrMoVNb9-1
AISI/SAE
A213/P91
Properties
Elasticity[10³ x N/mm²]:218
Density[g/cm³]:7.7
Thermal conductivity[W/mK]:29.2
Specific heat[J/kgK]:0.46
Chemical composition
In weight %
C0.10
Si0.35
Mn0.45
Cr8.50
Mo0.95
Ni0.40
V0.22
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.
Disclaimer
The information and data presented herein are typical or average values. The typical properties of the materials described are provided solely to assist readers in making their own evaluations and decisions. These values are not guaranteed.
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).
Copyright © 2024 by SIJ Group. All rights reserved. Contact us for further information.
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).
Copyright © 2024 by SIJ Group. All rights reserved. Contact us for further information.
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President & CEO
Andrew Towey
Company Management
SIJ Americas