Alloy Steel.
O.D.S. of Holland is primarily involved in the supply of machinery steel such as:



AISI 4340
pre-hardened up to 30 ? 35 HRC, 4340 is an alloyed machinery steel, suitable for gears, shafts & other mechanical parts that require high wear resistance.



AISI 4140
pre-hardened up to 30 - 35 HRC, 4140 is an alloyed machinery steel, suitable for large cross-section mechanical parts..



C-45
unalloyed machinery steel that can be used for mould bases and other applications that do not require high hardness or tensile strength.


SS41
low carbon steel that is applicable for ordinary steel requirements..