Steel susceptible to dies, casting, plastic moulds large bending and cutting tools, anvils blocks, shredder knives, mould for coinings, cutting tools for thick steel semi-finished products, some tools for hot forming of the alloys that contains non-ferrous metals, shear knives for cutting billets and scrap, plastic moulds exposed to high pressures. It is suitable for surface texturing and electrolytic machining, rams, drop balls, shear blades etc.
| C | Si | Mn | P | S | Cr | Mo | W | V | Co | Ni |
|---|---|---|---|---|---|---|---|---|---|---|
| 0,40-0,50 | 0,10- 0,40 | 0,20-0,50 | Max 0,030 | Max 0,030 | 1,20- 1,50 | 0,15-0,35 | - | - | - | 3,80- 4,30 |
| Hardness after | Tempering ºC | Symbol | Value |
| Soft annealing | - | HB | ≤285 |
| Quenching with 850 ºC in oil | - | HRC | 56 |
|
Quenching with 850 ºC in oil and tempering
(cooling during quenching can be performed either in the air or gradually in the salt bath at 180-220 ºC and then cooled in the air) |
180 | HRC | ≥52 |
| 200 | HRC | 53.5 | |
| 250 | HRC | 52 | |
| 400 | HRC | 47 | |
| 450 | HRC | 44.5 | |
| 500 | HRC | 42 | |
| 550 | HRC | 40 | |
| 600 | HRC | 37 |
| Property | Unit | Value |
| Density, ρ | g*cm -3 | 7.85 |
| Thermal expansion, α 20-100ºC) | K -1 | 12.1*10 -6 |
| Thermal conductivity, λ 20ºC) | W*m -1 *K -1 | 30 |
| Technological treatment processes | Possible application | Temperature, °C | ||
| Hot forming | Forging | + | 1050-850 | |
| Rolling | + | 1050-850 | ||
| Treatment | Heat treatment | Quenching | + | 840-870 |
| Tempering | + |
160-250
500-600 |
||
| Precipitation strengthening | Supersaturation | - | - | |
| Ageing | - | - | ||
| Annealing | Soft annealing | + | 610-650 | |
| Stress relieving | + | 550-650 | ||
| Thermochemical treatment | Nitriding | + | 470-540 | |
| Other | - | - | ||
|
ISO |
CEN |
Russia |
|||
| 45NiCrMo16 | ISO 4957:2004 | 45NiCrMo16 | ISO 4957:2004 | - | - |
| US | Japan | China | |||
| - | - | - | - | - | - |