Construction alloy steel - Chromium-nickel-tungsten for carburizing and hardening and tempering 18H2N4WA PN-72/H-84035,
intended for the production of the equipment specially loaded.
| Steel grade | Standard | Chemical composition (%) | |||||||||
| C | Mn | Si | P | S | Cu | Cr | Ni | Mo | other | ||
| 18H2N4WA | PN | 0,140,20 | 0,250,55 | 0,17 0,37 | max 0,030 | max 0,025 | max 0,30 | 1,351,65 | 4,004,40 | - | W* 0,80-1,20 |
| 18H2N4MA18KH2N4MА18Х2Н4МА18Ch2N4MA | GOST | 0,140,20 | 0,250,55 | 0,17 0,37 | max 0,025 | max 0,025 | max 0,30 | 1,351,65 | 4,004,40 | 0,30 0,40 | V max 0,05W max 0,20Ti max 0,06N max 0,008 |
| 16 72016720 | CSN/STN | 0,140,21 | 0,350,55 | 0,17 0,37 | max 0,035 | max 0,035 | - | 1,351,65 | 4,004,50 | - | W 0,80-1,20 |
| X 19 NiCrMo 4 X19NiCrMo4 1.2764 | DIN W.nr | 0,160,22 | 0,150,45 | 0,100,40 | max 0,030 | max 0,030 | - | 1,101,40 | 3,804,30 | 0,15 0,25 | W 0,30-0,50Stal narzędziowa do pracy na zimno |
| 18Cr2Ni4WA A52183 | GB/T - | 0,130,19 | 0,300,60 | 0,17 0,37 | max 0,025 | max 0,025 | max 0,025 | 1,351,65 | 4,004,50 | max 0,10 | W 0,80-1,20 |
| 835 M 15 835M15 | BS | 0,120,18 | 0,250,50 | 0,10 0,40 | max 0,040 | max 0,050 | - | 1,001,40 | 3,904,30 | 0,150,30 | - |
| 18Ch2N4MA | BDS | 0,140,20 | 0,250,55 | 0,17 0,37 | max 0,025 | max 0,025 | max 0,30 | 1,351,65 | 4,004,40 | 0,30 0,40 | V max 0,05W max 0,20Ti max 0,03 |
| SNCM 815SNCM815 | JIS KSD 3709 | 0,120,18 | 0,300,60 | 0,150,35 | max 0,030 | max 0,030 | max 0,030 | 0,70 1,00 | 4,004,50 | 0,150,30 | - |
* Tungsten can be replaced by molybdenum in the ratio 3W: 1 Mo in weight, the steel marking is changed into 18H2N4MA.
Steels used for the parts and components with large cross sections, working at changeable loads that require a lot of strength and ductility such as
crankshafts working at high speed, wheel gears, pins, shafts, reduction, rods.
In the 18H2N4WA, 18H2N4MA grades or equivalent we provide round-rolled bars, forgings, round bars, square bars, flat bars, plates, cubes.
15HN
17HNM
18HGT
18H2N2
18H2N4WA,(18H2N4MA)
20H2N4A
