Customization: | Available |
---|---|
Type: | Round |
Standard: | AISI, ASTM, DIN, JIS, GB, BS |
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C | Si | Mn | P | S | Cr | Mo | W | V | Co | Ni |
---|---|---|---|---|---|---|---|---|---|---|
1,90- 2,20 | 0,10- 0,60 | 0,20- 0,60 | Max 0,030 | Max 0,030 | 11,00- 13,00 | - | - | - | - | - |
Hardness after | Tempering ºC | Unit | Value |
Softening | - | HB | ≤248 |
Quenching with 970 ºC in oil | - | HRC | 64.5 |
Quenching with 970 ºC in oil and tempering | 180 | HRC | ≥62 |
200 | HRC | 63 | |
250 | HRC | 62 | |
350 | HRC | 59 | |
400 | HRC | 57.5 | |
450 | HRC | 56 | |
500 | HRC | 54 | |
550 | HRC | 51 |
Property | Unit | Value |
Density, ρ | g*cm-3 | 7.65 |
Linear expansivity, α20-100ºC) | K-1 | 10.2*10-6 |
Specific thermal conductivity, λ20ºC) | W*m-1*K-1 | 17 |
Technological treatment processes | Possible application | Temperature, °C | ||
Forming processes | Forging | + | 1050-850 | |
Rolling | + | 1050-850 | ||
Heat treatment | Thermal hardening | Quenching | + | 960-1000 |
Tempering | + | 170-520 | ||
Precipitation hardening | Supersaturation | - | - | |
Ageing | - | - | ||
Annealing | Softening | + | 820-860 | |
Stress relieving | + | 600-700 | ||
Thermochemical treatment | Nitriding | - | - | |
Other | - | - |
ISO | CEN | Russia | |||
X210Cr12 | ISO 4957:2004 | X210Cr12 | ISO 4957:2004 | H12 | GOST 5950-73 |
US | Japan | China | |||
~D3 | ASTM A 681-91 | ~SKD 1 | JIS G 4404-1983 | Cr12 | GB 1299-85 |