15H14NL
for producing castings for various industrial purposes; steel corrosion-resistant martensitic-ferritic class
Classification
Country | Section | Category |
---|---|---|
CIS, Russia, Ukraine | Steels and alloys for castings | Steel for casting with special properties |
Chemical composition
Standard | Fe, % | Si, % | Mn, % | Cr, % | Ni, % | P, % | C, % | S, % |
---|---|---|---|---|---|---|---|---|
GOST 977-88 | 82.08–86.9 | < 0.6 | 0.4–0.9 | 12–15 | 0.7–1.2 | < 0.035 | < 0.15 | < 0.035 |
Information on suppliers
Mechanical properties at 20 °C
Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | $$\psi$$, % | $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ | d5, % | Treatment |
---|---|---|---|---|---|---|---|---|---|---|
Castings | GOST 977-88 | 481–579 | 289–383 | 50 | 294–441 | 15 |
Standards
Standard | Description |
---|---|
GOST 977-88 |
Description of chemical elements
Element | Units of measurement | Description |
---|---|---|
Fe | % | Iron |
Si | % | Silicon |
Mn | % | Manganese |
Cr | % | Chrome |
Ni | % | Nickel |
P | % | Phosphorus |
C | % | Carbon |
S | % | Sulfur |
Description of mechanical properties
Parameter | Units of measurement | Description |
---|---|---|
d5 | % | Elongation at break |
$$\sigma_{Y}$$ | $$MPa$$ | Yield strength |
$$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
$$\psi$$ | % | Reduction in cross section on fracture |
$$KCU\cdot 10^{3}$$ | $$\frac{J}{m^2}$$ | Impact toughness |