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Material data sheet

Steel grade

  • SB27M12Bm
Last revised: Wed, 26 Oct 2016 20:27:51 GMT

General Information

Grade SB27M12Bm is boron steel used in quenched and tempered condition. The material is suitable for moderately or highly stressed parts such as wear parts on agricultural, forestry and excavators. The grade has tighter chemical analysis than grade SB27M12CB and is recommended for thickness ≤15 mm. Its closest equivalent is 28MnB5 (1.0871).

Similar designations

SB27M12Bm - 26MnB5-3

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

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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.