Specification values: Steel, Castings, Ann. A.S.T.M. A27-16, Class B;* P max. 0.06; S max. 0.05.
Grade. Yield Point. Ultimate tensile strength Per sent elong. 50.8mm or 2 in. Per cent reduct. area.
kg/mm2 lb/in2
Hard 0.45 ultimate 56.2 80,000 15 20
Medium 0.45 ultimate 49.2 70,000 18 25
Soft 0.45 ultimate 42.2 60,000 22 30
2008 2007 2006
Net sales $ 32,479 $ 24,006 $ 19,315
Cost of sales 21,334 15,852 13,717
Gross margin $ 11,145 $ 8,154 $ 5,598
Gross margin percentage 34.3% 34.0% 29.0%
2008 2007 2006
Research and development $ 1,109 $ 782 $ 712
Percentage of net sales 3.4% 3.3% 3.7%
Selling, general, and administrative $ 3,761 $ 2,963 $ 2,433
Percentage of net sales 11.6% 12.3% 12.6%