Alloy CM3

Designation

Name The value
Designation GOST Cyrillic СМ3
Designation GOST Latin CM3
Transliteration SM3
By chemical elements PbCu3

Description

Alloy CM3 usedfor producing pressed extra virgin bars; parts of aviation.

Note

Wrought molybdenum alloy.

Standards

Name Code Standards
Non-ferrous metals, including rare, and their alloys В51 OST 1 92025-73
Bars В55 OST 1 92027-73

Mechanical properties

Section, mm σU, MPa d
Bars pressed extra virgin in the state of delivery. Without heat treatment
35-80 ≥490 ≥6
80-120 ≥440 ≥4
Bars pressed extra virgin in the state of delivery. Annealing
35-80 ≥440 ≥10
80-120 ≥390 ≥6

Description mechanical marks

Name Description
σU Limit short-term strength
d Elongation after rupture