15H2GN2TA
For the manufacture of gears, gear shaft, worm pairs, cam clutches, piston pins, and others to improve and carburized parts, which are requirements of high strength and high surface hardness, operating under the influence of shock loads and at low temperatures.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Structural steel | Alloyed structural steel |
Chemical composition
| Standard | Si, % | Mn, % | Cr, % | Ti, % | Cu, % | Ni, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|---|
| TU 14-1-950-74 | 0.17–0.37 | 0.7–1 | 1.4–1.8 | 0.02–0.06 | < 0.25 | 1.4–1.8 | < 0.025 | 0.13–0.18 | < 0.025 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Rod | TU 14-1-950-74 | Ø 15 | 980 | 885 | 55 | 1080 | 12 | Hardening and tempering |
Standards
| Standard | Description |
|---|---|
| TU 14-1-950-74 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Ti | % | Titan |
| Cu | % | Copper |
| 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 |