Alloy 45Х26Н33С2Б2

Designation

Name	The value
Designation GOST Cyrillic	45Х26Н33С2Б2
Designation GOST Latin	45X26H33C2B2
Transliteration	45H26N33S2B2
By chemical elements	45Cr26Ni33Pb2Be2

Description

Alloy 45Х26Н33С2Б2 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
Steel pipes and fittings to them	В62	TU 5.961-11512-93

Chemical composition

Standard	C	S	P	Mn	Cr	Si	Ni	Fe	Cu	Al	B	Ti	Mo	Nb	W	Zr	Mg	Y
TU 5.961-11512-93	0.4-0.45	≤0.015	≤0.015	0.8-1.1	25-27	1.6-1.8	32-34	Rest	≤0.2	≤0.2	≤0.005	0.2-0.4	0.2-0.3	1.6-1.8	0.6-0.8	≤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 properties

Section, mm	s_T\|s_0,2, MPa	σ_U, 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
s_T\|s_0,2	Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σ_U	Limit short-term strength
d₅	Elongation after rupture
y	The relative narrowing