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Alloy 45Х26Н23С2Б2

Designation

Name The value
Designation GOST Cyrillic 45Х26Н23С2Б2
Designation GOST Latin 45X26H23C2B2
Transliteration 45H26N23S2B2
The chemical elements 45Cr26Ni23Pb2Be2

Description

Alloy 45Х26Н23С2Б2 used: for the production tsentrobezhnolityh tubes (casting) used in high temperature installations, plant engineering and shipbuilding and prednaznachen for further machining.

Note

High-temperature alloy.

Standards

Name Code Standards
Pipes steel and connecting parts to them В62 TU 5.961-11512-93

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu Al B Ti Nb W Zr Mg Y
TU 5.961-11512-93 0.35-0.4 ≤0.015 ≤0.015 0.8-1.1 25-27 1.4-1.6 22-24 The rest ≤0.2 ≤0.2 ≤0.005 0.1-0.3 1.4-1.6 0.1-0.3 ≤0.1 ≤0.1 ≤0.1
Fe is the basis.
According to TU 5.961-11512-93, the residual content of elements and the maximum deviations in chemical composition must comply with GOST 5632. Zirconium, yttrium, magnesium and boron are introduced by calculation and chemical analysis is not determined.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % y, %
Pipe tsentrobezhnolityh in the delivery condition on the other 5.961-11512-93 (without thermal and mechanical treatment, longitudinal samples)
≥245 ≥441 ≥10 ≥10

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
d5 Elongation after rupture
y The relative narrowing

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