Steel 03Н14Х5М3Т (ЭП777)
Designation
Description
03Н14Х5М3Т steel is used: for the manufacture of forgings with round, square and rectangular sections, intended for the manufacture of parts and special fasteners equipment engineering and chemical industries.
Note
Partenitskaya steel.
Standards
Chemical composition
Fe is the basis.
According to TU 14-1-3150-81, the chemical composition is presented for steel grades 03N14X5M3T-VI (EP777-VI) and 03N14X5M3T-VD (EP777-VD). Deviations from the chemical composition are permissible: for silicon and manganese, provided that their total content is not more than 0.20%, sulfur and phosphorus, provided that their total content is not more than 0.020%, in titanium +0.10%, in aluminum +0.050% .
According to TU 14-1-3150-81, the chemical composition is presented for steel grades 03N14X5M3T-VI (EP777-VI) and 03N14X5M3T-VD (EP777-VD). Deviations from the chemical composition are permissible: for silicon and manganese, provided that their total content is not more than 0.20%, sulfur and phosphorus, provided that their total content is not more than 0.020%, in titanium +0.10%, in aluminum +0.050% .