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Steel АЦ38ХС

Designation

Name The value
Designation GOST Cyrillic АЦ38ХС
Designation GOST Latin ATs38XC
Transliteration ATs38HS
The chemical elements -

Description

АЦ38ХС steel is used: for the production of bars intended for the manufacture of automotive components by hot forming with subsequent machining.

Note

Calcium-containing steel of high machinability.

Standards

Name Code Standards
Sectional and shaped rolling В32 TU 14-1-3283-81

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu Ca
TU 14-1-3283-81 0.34-0.42 0.035-0.06 ≤0.035 0.3-0.6 1.3-1.6 1-1.4 ≤0.3 The rest ≤0.3 0.03-0.09
Fe is the basis.
According to TU 14-1-3283-81 chemical analysis is given for steel grade AC38XS. In the designation of steel letters mean: A - automatic, C - calcium. Microalloying of calcium steel is carried out by silicocalcium and other calcium alloys at the rate of introduction of 0,030-0,090% of calcium into liquid metal. The mass fraction of calcium is not determined by chemical analysis. The presence of tungsten to 0.20%, molybdenum to 0.15%, titanium to 0.030% and vanadium to 0.050% is not a defect. In the finished bars, subject to the requirements of the technical specification, deviations in chemical composition are allowed: in carbon ± 0.010%, in manganese ± 0.020%, in silicon ± 0.050%, in chromium ± 0.050%, in nickel -0.050%, in sulfur and phosphorus + 0.0050% of each.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % y, % kJ/m2, кДж/м2
Bars on the other 14-1-3283-81
Образец 25х25 ≥735 ≥930 ≥12 ≥50 ≥690

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
kJ/m2 Toughness

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