Ford Focus Owner_使用说明书手册.pdf,FORD FOCUS Owners Manual The information contained in this publication was correct at the time of going to print. In the interest of continuous development, we reserve the right to change specifications, design or equi
wellacquaintedwithyourvehiclebyreadingthishandbook.Themore youknowandunderstandaboutyourvehicle,thegreaterthesafetyand pleasureyouwillderivefromdrivingit. FormoreinformationonFordMotorCompanyanditsproductsvisitthe followingwebsite: •IntheUnitedStates: •InCanada:www.ford.ca ...
The properties of 4140 Steel from the Bethlehem "Modern Steels Handbook" are in the attached pdf. For 1 inch round,oil quenched from 1550F and tempered at 1000F, the hardness is 311 Brinell, about Rockwell C 33. The tensile strength is 156,000 psi and the Izod impact is 54.5 ft lbs....