Construction alloy steel - for hardening and tempering and carburization chrome-nickel 12HN3A PN-72/H-84035
Destined for the production of the loaded equipment
| Steel grade | Standard | Chemical composition (%) | |||||||||
| C | Mn | Si | P | S | Cu | Cr | Ni | Mo | other | ||
| 12HN3A | PN | 0,090,16 | 0,300,60 | 0,17 0,37 | max 0,030 | max 0,025 | max 0,20 | 0,600,90 | 2,753,15 | - | - |
| 14 NiCr 14 14NiCr14 1.5752 15 NiCr 1315NiCr13 1.5752 | DIN/EN W.nr DIN/EN W.nr | 0,120,18 0,140,20 | 0,400,70 | max 0,40 | max 0,035 | max 0,035 | - | 0,600,90 | 3,003,50 | - | - |
| 14 NC 11 14NC11 | AFNOR | 0,110,17 | 0,250,60 | 0,10 0,40 | max 0,035 | max 0,035 | - | 0,60 0,90 | 2,503,00 | - | - |
| 3415 | SAE | 0,100,20 | 0,300,60 | 0,15 0,30 | max 0,040 | max 0,050 | - | 0,600,95 | 2,753,25 | - | - |
| 12KHN3А 12HN3А12ChN3A 12ХН3А | GOST | 0,090,16 | 0,300,60 | 0,17 0,37 | max 0,025 | max 0,025 | max 0,30 | 0,600,90 | 2,753,15 | max 0,15 | V max 0,05Ti max 00,3W max 0,20N max 0,008 |
| 16 420 16420 | CSN/STN | 0,100,17 | 0,300,60 | 0,17 0,37 | max 0,035 | max 0,035 | - | 0,600,90 | 3,203,70 | - | - |
| SNC 815SNC815 | JIS | 0,120,18 | 0,350,65 | 0,15 0,35 | max 0,030 | max 0,030 | max 0,30 | 0,701,00 | 3,003,50 | - | - |
| 12CrNi3AA42123 | GB/T | 0,100,17 | 0,300,60 | 0,17 0,37 | max 0,025 | max 0,025 | max 0,025 | 0,600,90 | 2,753,15 | - | - |
| 655 M 13 655M13 | BS | 0,100,16 | 0,350,60 | 0,100,35 | max 0,035 | 0,250,50 | - | 0,701,00 | 3,003,75 | - | - |
Steel used to machine parts and components for medium-sized sections, especially burdened: the combustion engines,
aircraft equipment parts.
12HN3A grade or equivalent is provided as round-rolled bars, forgings,round bars, square bars, flat bars,
small plates and rings.
