Steel 18ХН3МА
Designation
Description
18ХН3МА steel is used: for the production of hot rolled bars used for the manufacture of paws and cutter drill bits all sizes with air purge, as well as bits from 151 mm and less, borgonovo by hot forming; drill bits with a diameter of 320 mm or more.
Note
Temperature range of use of steel from -70 °C to +450 °C.
Standards
Chemical composition
Fe is the basis.
According to TU 3-26-79 the chemical composition is given for steel grade 18HN3MA-VD.
According to TU 3-850-80 the chemical composition is given for steel grade 18HN3MA. The presence of residual titanium in the steel to 0.030%, tungsten to 0.20% and vanadium to 0.050% is not a defect.
According to TU 3-26-79 the chemical composition is given for steel grade 18HN3MA-VD.
According to TU 3-850-80 the chemical composition is given for steel grade 18HN3MA. The presence of residual titanium in the steel to 0.030%, tungsten to 0.20% and vanadium to 0.050% is not a defect.