K63 (63)
for the manufacture of crane rails
Classification
Country | Section | Category |
---|---|---|
CIS, Russia, Ukraine | Steels for special purposes | Steel for rail transport |
Chemical composition
Standard | Fe, % | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | As, % | P, % | C, % | S, % | N, % |
---|---|---|---|---|---|---|---|---|---|---|---|
GOST Р 51685-2000 | 96.832–98.72 | 0.15–0.35 | 0.6–1 | < 0.3 | < 0.3 | < 0.3 | < 0.08 | < 0.05 | 0.53–0.73 | < 0.05 | < 0.008 |
Information on suppliers
Mechanical properties at 20 °C
Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{P}$$, $$MPa$$ | $$\epsilon_L$$, % | Treatment |
---|---|---|---|---|---|---|---|---|
Alloy | GOST 4121 - 96 | 731 | 372 | 6 |
Brinell hardness number
Rolling | Standard | Classifiers | Value, HBW |
---|---|---|---|
Alloy | GOST 4121 - 96 | 212 |
Standards
Standard | Description |
---|---|
GOST Р 51685-2000 |
Description of chemical elements
Element | Units of measurement | Description |
---|---|---|
Fe | % | Iron |
Si | % | Silicon |
Mn | % | Manganese |
Cr | % | Chrome |
Cu | % | Copper |
Ni | % | Nickel |
As | % | Arsenic |
P | % | Phosphorus |
C | % | Carbon |
S | % | Sulfur |
N | % | Nitrogen |
Description of mechanical properties
Parameter | Units of measurement | Description |
---|---|---|
$$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
$$\sigma_{P}$$ | $$MPa$$ | Proportionality limit |
$$\epsilon_L$$ | % | Elongation at break (longitudinal) |