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Variants

Material data sheet

Steel grade

  • Ovako275
Last revised: Fri, 29 Nov 2019 10:53:54 GMT

General Information

Ovako 275 is a high strength, quench and tempering steel with good toughness and still maintaining high hardness and high strength. It has a low sulfur range to obtain good transverse properties.Typical applications for Ovako275 are found in the mining industry generally used for bits.

For additional Heat Treatment Data, please visit the Heat Treatment Guide.

 

* Designation followed by "*" is not an official EN standard grade but named according to the rules in EN 10027.

Similar designations

ASTM A579 (31), AMS 6418

Typical values Jominy at 1.5 mm/49HRC; 15 mm/48HRC; 30 mm/47.5HRC; 50 mm/45HRC

Steel cleanliness

Micro inclusions   Macro inclusions
Applied standard ASTM E45 Applied standard

ISO 3763

(Blue fracture)

Sampling ASTM A295 Sampling Statistical testing on billets

Maximum average

limits

A B C D Limits < 2,5 mm/dm2
Th He Th He Th He Th He
1,5 1,0 1,0 0,5 0 0 0,5 0,5

Other properties (typical values)

Youngs module (GPa)Poisson´s ratio (-)Shear module (GPa)Density (kg/m3)
210 0.3 80 7800
 Average CTE 20-300°C (µm/m°K) Specific heat capacity 50/100°C (J/kg°K) Thermal conductivity Ambient temperature (W/m°K) Electrical resistivityAmbient temperature (µΩm)
 12  460 - 480  40 - 45  0.20 - 0.25

Contact us

Would you like to know more about our offers? Don´t hesitate to contact us:

Via e-mail: info@ovako.com 

Via telephone: +46 8 622 1300

For more detailed information please visit http://www.ovako.com/en/Contact-Ovako/

  

 

Disclaimer

The information in this document is for illustrative purposes only. The data and examples are only general recommendations and not a warranty or a guarantee. The suitability of a product for a specific application can be confirmed only by Ovako once given the actual conditions.The purchaser of an Ovako product has the responsibility to ascertain and control the applicability of the products before using them. Continuous development may necessitate changes in technical data without notice. This document is only valid for Ovako material. Other material, covering the same international specifications, does not necessarily comply with the properties presented in this document.