11. Steel castings are used when cast irons cannot deliver enough strength or shock resistance.12. The massive weight of the car,, required reinforced three-axle trucks from General Steel Castings . 13. Dominion Steel Casting Company ( Dofasco ) was established two years later in 1912. 14. "' Steel casting "'is a specialized form of casting involving various types of steel. 15. There is a steel foundry owned by Goodwin Steel Castings Ltd in Joiner's Square. 16. Steel castings can not usually be cooled rapidly, for irregular shapes can warp or crack.17. Alloy steel castings are broken down into two categories : low-alloy steels and high-alloy steels. 18. The tender frame was also a one-piece steel casting . 19. From this and other holdings, the Buhls formed the Sharon Steel Castings Company in 1887. 20. Reducing agents are not used with steel casting , because they can carburize the metal during casting.
