U11A (U11)

Hardness У11А after annealing: HB 10 -1 = 207 MPa. The temperature of the critical points of the alloy Ac 1 = 730, Ac 3 (Ac m) = 810, Ar 1 = 700, Mn = 200

Hand taps, rasps, needle files, saws for woodworking, dies for cold stamping, axes, calibers simple form and the downgrading of accuracy

Classification

Country Section Category
CIS, Russia, Ukraine Tool steel Carbon Tool Steel

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Ni, % P, % C, % S, %
GOST 1435-99 97.617–98.6 0.17–0.33 0.17–0.28 < 0.2 < 0.2 < 0.2 < 0.025 1.06–1.13 < 0.018

Information on suppliers

Physical characteristics

Temperature, °C $$\rho$$, $$\frac{kg}{m^3}$$
20 7810

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Tape 0.08–3 annealing 750 10

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy annealing 207

Critical point temperatures

Ac1, K Ac3(Acm), K Ar1, K Mn, K
730 810 700 200

Analogues

USA Germany Japan France United Kingdom Italy Spain Sweden Bulgaria Hungary Poland Romania Austria
G51320 1.1645 (C105W2) SK3 C105E2U BW1B C100KU C102 1880 U11A S111 N11 OSC11 BOHLERK990

Standards

Standard Description
GOST 1435-99

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Cu % Copper
Ni % Nickel
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
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)

Description of temperatures of critical points

Parameter Units of measurement Description
Ac1 K
Ac3(Acm) K
Ar1 K
Mn K