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Steel 5MFRL

Designation

Name The value
Designation GOST Cyrillic 5МФРЛ
Designation GOST Latin 5MFPL
Transliteration 5MFRL
The chemical elements 5MoVB

Description

5MFRL steel is used: for the manufacture of castings to various industrial purpose.

Standards

Name Code Standards
Castings, steel В82 GOST 977-88

Chemical composition

Standard C S P Mn Cr Si Fe V B Mo
GOST 977-88 0.25-0.32 ≤0.025 ≤0.03 1.4-1.8 0.5-1 0.4-0.6 The rest 0.2-0.4 0.006-0.01 0.4-0.6
Fe is the basis.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d y, % kJ/m2, кДж/м2
Annealing in air with 870-890 °C + vacation at 220-280 °C, air cooling
100 ≥932 ≥1275 ≥2 ≥4 ≥147
Normalization at 910-960 °C, air cooling
100 ≥638 ≥981 ≥4 ≥5 ≥49

Description mechanical marks

Name Description
Section Section
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σB Limit short-term strength
d Elongation after rupture
y The relative narrowing
kJ/m2 Toughness

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