7HG2VMF
Temperature of critical points: Ac1 = 765, Ac3 (Acm) = 825, Ar3 (Arcm) = 430, Ar1 = 310, Mn = 160. Hardness after annealing (GOST 5950−2000): HB 10 -1 = 255 MPa .
stamps surround cold deformation and the punching tool of complex configuration, used in the manufacture of products from non-ferrous alloys and low-strength structural steels.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Tool steel | Die tool steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | V, % | P, % | C, % | S, % | Mo, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 5950-2000 | 92.03–94.77 | 0.1–0.4 | 1.8–2.3 | 1.5–1.8 | < 0.3 | < 0.4 | 0.1–0.25 | < 0.03 | 0.68–0.76 | < 0.03 | 0.5–0.8 | 0.55–0.9 |
Information on suppliers
Critical point temperatures
| Ac1, K | Ac3(Acm), K | Ar3(Arcm), K | Ar1, K | Mn, K |
|---|---|---|---|---|
| 765 | 825 | 430 | 310 | 160 |
Analogues
| USA |
|---|
| AM6F2 |
Standards
| Standard | Description |
|---|---|
| GOST 5950-2000 | GOST |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| V | % | Vanadium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Mo | % | Molybdenum |
| W | % | Tungsten |
Description of temperatures of critical points
| Parameter | Units of measurement | Description |
|---|---|---|
| Ac1 | K | |
| Ac3(Acm) | K | |
| Ar3(Arcm) | K | |
| Ar1 | K | |
| Mn | K |