Steel M75

Designation

Name The value
Designation GOST Cyrillic М75
Designation GOST Latin M75
Transliteration M75
By chemical elements Mo75

Description

M75 steel is used: for the production of grooved tram rails of types Тв60 Тв65 and high quality.

Standards

Name Code Standards
Rails. Lining. Lining. Crutches В42 TU 14-2-751-87

Chemical composition

Standard C S P Mn Si Fe
TU 14-2-751-87 0.67-0.8 ≤0.04 ≤0.04 0.7-1 0.13-0.28 Rest
Fe is the basis.
According to TU 14-2-751-87 the chemical composition for steel M75 is given. In the mark designation the letter "M" indicates the method of steel smelting (open-hearth), and the figures - the average carbon content in hundredths of a percent.

Mechanical properties

Section, mm σU, MPa
Tram rails grooved high-quality on the other 14-2-751-87
≥820

Description mechanical marks

Name Description
σU Limit short-term strength

Technological properties

Name The value
Macrostructure and pollution The macrostructure of the rails is guaranteed by the manufacturer. Not permitted residue shrinkage and delamination.