AS14

Manganese sulphide lead steel.

For the manufacture of steam pipes and steam superheaters of ultra-high pressure installations with a long service life at temperatures up to +700 ° С; shaped profiles of high precision.

Classification

Country Section Category
CIS, Russia, Ukraine Structural steel Improved machinability structural steel

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Ni, % Pb, % P, % C, % S, %
GOST 1414-75 96.96–98.6 < 0.12 1–1.3 < 0.25 < 0.25 < 0.25 0.15–0.3 < 0.1 0.1–0.17 0.15–0.3

Information on suppliers

Physical characteristics

Temperature, °C $$\rho$$, $$\frac{kg}{m^3}$$
20 7850

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{P}$$, $$MPa$$ $$\psi$$, % d5, % Treatment
Rental hot rolled. GOST 1414-75 hot rolling 410 30 20
Rental calibrated. Hardened. GOST 1414-75 calibrated, cold-work 490 390 10

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Rental hot rolled. GOST 1414-75 hot rolling 170
Rental calibrated. Hardened. GOST 1414-75 calibrated, cold-work 207

Analogues

Germany USA European Union
9SMnPb28 1213 AISI 11SMnPb28

Standards

Standard Description
GOST 1414-75

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Cu % Copper
Ni % Nickel
Pb % Lead
P % Phosphorus
C % Carbon
S % Sulfur

Description of physical characteristics

Parameter Units of measurement Description
$$\rho$$ $$\frac{kg}{m^3}$$ The density of the material

Description of mechanical properties

Parameter Units of measurement Description
d5 % Elongation at break
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\sigma_{P}$$ $$MPa$$ Proportionality limit
$$\psi$$ % Reduction in cross section on fracture