https://metinvestholding.com/pl/products/steel-grades/30mnb5
Steel 30MnB5: characteristics, properties, analogues - Metinvest
30MnB5 boron-containing steel for hardening and tempering - description, chemical composition, mechanical properties of 30MnB5 steel, analogues, welding and...
steelcharacteristicspropertiesanaloguesmetinvest