20ХГСЛ steel is used: for the manufacture of Shoe machinery crawler; round link solid high-temperature circuits; casings valves valves; body parts wellhead equipment.

Note

Chromagraphemia low alloy casting steel.

Standards

Name	Code	Standards
Steel castings	В82	TU 26-16-49-77

Chemical composition

Standard	C	S	P	Mn	Cr	Si	Fe
TU 26-16-49-77	0.18-0.26	≤0.04	≤0.04	0.9-1.2	1.1-1.3	0.45-0.6	Rest

Fe is the basis.
According to TU 26-16-49-77, with the mechanical properties, the following deviations are allowed: for carbon +0,020%, for manganese +0.15%, for silicon +0.10%, for chromium ± 0.15%.

Mechanical properties

s_T\|s_0,2, MPa	σ_U, MPa	d	y, %	KCU, kJ/m²	HB, MPa
Castings with wall thickness up to 100 mm on the other 26-16-49-77. Hardening + Vacation
≥540	≥687	≥14	≥30	≥540	217-241
Castings with wall thickness up to 100 mm on the other 26-16-49-77. Normalization + Vacation
≥363	≥589	≥16	≥35	≥490	175-217

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
d	Elongation after rupture
y	The relative narrowing
KCU	Toughness
HB	Brinell hardness number

Steel 20ХГСЛ

Designation

Description

Note

Standards

Chemical composition

Mechanical properties

Description mechanical marks

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