4125High Carbon Martensitic Stainless Steel with Improved Hardness and Wear Resistance
Commonly used in the production of ball bearings and races, gage blocks, valve components, moulds, and dies, as well as various measuring instruments.
Industries in detail
SINOXX 4125 data sheet
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Product advantages
SINOXX 4125 is a high carbon martensitic stainless steel with moderate corrosion resistance, good strength, and the ability to achieve and maintain excellent hardness (HRC 60) and wear resistance.
Manufacture
SINOXX 4125 is made by SIJ Metal Ravne.
Standards & certificates
Material number
1.4125
Ravne
PK348
EN
X105CrMo17
AISI/SAE
440C
Properties
Chemical composition
In weight %
Product forms
Continuous Cooling Transformation (CCT)
Tempering
Hardening
Harden from a temperature of 1000 - 1050°C followed by oil or quenching. Hardness after quenching is min. 58 HRC.
Forging
Pre-heat to 760°C, then bring slowly up to 1038 - 1204°C before proceeding. Do not work this material below 927°C. Cool material slowly after working and once at room temperature, anneal fully.
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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