Cylindrical pins with fields are made of steel 30ХГСА, 13Х11Н2В2МФ-Ш, 10Х11Н23Т3МР and brass L63T.
Heat treatment of pins is carried out in accordance with the requirements of OST 1 35000-78.
– made of steel 30HGSA – Кd 3.хр.
– from steels 1 3Х11Н2В2МФ-Ш, 10Х11Н23Е3МР and brass – Chem.Pas.
Other types of coatings – according to OST 1 35011-78.
An example of the name and designation of a cylindrical pin with a tolerance field of diameter u8, version 1, diameter d = 6 mm and length L = 25 mm, made of steel 30HGSA, cadmium plated:
Pin 1-6-25-Kd-OST 1 35000-78
The same, made of steel 13Х11Н2В2МФ-Ш, passivated:
Pin 1-6-25-Chem.Pas-OST 1 35001-78
The same, made of steel 13Х11Н23Т3МР, passivated:
Pin 1-6-25-Chem.Pas-OST 1 35002-78
The same, made of brass, passivated:
Pin 1-6-25-Chem.Pas-OST 1 35003-78