21880

Hardness 21880 hot-rolled Grade (GOST 11036−75) HB 10 -1 = 131 MPa

for use in magnetic circuits of electric devices and instruments

Classification

Country Section Category
CIS, Russia, Ukraine Electrical steel Unalloyed electrical steel

Chemical composition

Standard Fe, % Si, % Mn, % Cu, % P, % C, % S, %
GOST 11036-75 > 99.015 < 0.3 < 0.3 < 0.3 < 0.02 < 0.035 < 0.03

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % $$\psi$$, % Treatment
Metal rolling GOST 11036-75 hot rolling 270 24 60
Metal rolling GOST 11036-75 calibrated 350 4

Magnetic properties

Rolling Dimensions, $$mm$$ $$H_c$$, $$A/m$$ $$\mu_{max}$$, $$MH/m$$ $$B_{500}$$, $$T$$ $$B_{1000}$$, $$T$$ $$B_{2500}$$, $$T$$ $$B_{5000}$$, $$T$$ $$B_{10000}$$, $$T$$ $$B_{30000}$$, $$T$$
Sheet 0.1–3.9 80 5 1.38 1.5 1.62 1.71 1.81 2.05
Grade 80 1.36 1.47 1.57

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Metal rolling GOST 11036-75 hot rolling 1310

Standards

Standard Description
GOST 11036-75

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cu % Copper
P % Phosphorus
C % Carbon
S % Sulfur

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$\psi$$ % Reduction in cross section on fracture

Description of magnetic properties

Parameter Units of measurement Description
Dimensions $$mm$$
$$H_c$$ $$A/m$$ Magnetic coercivity (not more)
$$\mu_{max}$$ $$MH/m$$ Magnetic permeability (not more)
$$B_{500}$$ $$T$$ Magnetic induction (not less) in a magnetic field while magnetic field strength is 500 A/m
$$B_{1000}$$ $$T$$ Magnetic induction (not less) in a magnetic field while magnetic field strength is 1000 A/m
$$B_{2500}$$ $$T$$ Magnetic induction (not less) in a magnetic field while magnetic field strength is 2500 A/m
$$B_{5000}$$ $$T$$ Magnetic induction (not less) in a magnetic field while magnetic field strength is 5000 A/m
$$B_{10000}$$ $$T$$ Magnetic induction (not less) in a magnetic field while magnetic field strength is 10000 A/m
$$B_{30000}$$ $$T$$ Magnetic induction (not less) in a magnetic field while magnetic field strength is 30000 A/m