11. Strangely, a $ 20 bill was found " protruding " from a solid piece of tempered steel . 12. However, the final hardness of the tempered steel will vary, depending on the composition of the steel. 13. Originally the fourth Sleeper could alter its density from its natural tempered steel form to total intangibility. 14. The fully tempered steel cover is equipped with holes for attaching scopes and is firmly connected to the barrel. 15. Since the tape is made of tempered steel , you'll first have to heat the end until it glows red. 16. The howitzer was made of forged and tempered steel , with a de Bange interrupted-screw breech-block with six screw sectors. 17. A complete suit of plate armour made from well-tempered steel would weigh around 15 25 kg ( 33-55 pounds ). 18. Quenched and tempered steels may also be welded by the process, provided that the proper amount of heat is applied. 19. The four edged spear-like point of the shaft was 30 cm ( 12 inches ) long and made of tempered steel . 20. However, because of this, they are through-hardened and do not have a softer and tougher core like quench and tempered steels .
