Steel AS30KHM
Steel AC35G2
AC20X steel
Steel АЦ20ХГНМ
Steel АЦ20ХН3
Steel АЦ25ХГТ
AC30 steel
AC30X steel
АЦ30Х3МФ steel
АЦ30ХМ steel
AC35 steel
Steel АЦ18ХН2Т
AC35X steel
АЦ38ХС steel
AC40 steel
Steel AC40G
АЦ40Х steel
AC45 steel
Steel AC45G2
AC45X steel
AC50 steel
Steel AC50X
AC20CrNiM steel
A11 steel
A12 steel
A20 steel
A30 steel
A35 steel
A40G steel
AC12CrN steel
AC14 steel
AC14CrN steel
AC19CrN steel
AC20 steel
AC30CrM steel
AC35G2 steel
AC38CrHm steel
AC40 steel
AC40X steel
AC40CrNiM steel
AC45G2 steel
Steel ACS30CrM
АЦ18ХГТ steel
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | АС30ХМ |
| Designation GOST Latin | AC30XM |
| Transliteration | AS30HM |
| The chemical elements | - |
Description
AS30KHM steel is used: for the manufacture of automotive parts (steering worm).
Note
Lead-containing alloy steel high machinability.
Standards
| Name | Code | Standards |
|---|---|---|
| Sectional and shaped rolling | В32 | GOST 1414-75, GOST 14955-77, TU 14-1-2217-92 |
| Bulls. Blanks. Slabs | В31 | TU 14-1-1515-75, TU 14-1-514-73 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Mo | Pb |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 1414-75 | 0.27-0.33 | ≤0.035 | ≤0.035 | 0.4-0.7 | 0.8-1.1 | 0.17-0.37 | ≤0.3 | The rest | ≤0.3 | 0.15-0.25 | 0.15-0.3 |
Fe is the basis.
According to GOST 1414-75, the total mass fraction of sulfur and phosphorus should not exceed 0.060%.
According to GOST 1414-75, the total mass fraction of sulfur and phosphorus should not exceed 0.060%.
Mechanical characteristics
| Section, mm | sT|s0,2, MPa | σB, MPa | d5, % | y, % | kJ/m2, кДж/м2 | Brinell hardness number, MPa |
|---|---|---|---|---|---|---|
| Rental of calibrated and improved | ||||||
| ≤35 | ≥630 | ≥780 | ≥12 | ≥3.6 | - | ≤285 |
| Bars up to 100 mm Quenching in oil with 860-880 °C + Vacation at 510-560 °C, air cooling | ||||||
| 15 | ≥735 | ≥880 | ≥12 | - | ≥980 | - |
Description mechanical marks
| Name | Description |
|---|---|
| Section | Section |
| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| y | The relative narrowing |
| kJ/m2 | Toughness |
