Dodger

McMaster Carr has a huge selection of 5160: Fatigue-Resistant 5160 Spring Steel Due to its high carbon content this material is often used for a variety of spring applications where fatigue resistance is required, such as the manufacturing of flatsprings. It is sometimes called chrome-silicon because these are its main alloyingelements. Warning! Hardness and yield strength are not guaranteed and are intended only as a basis for comparison. Rectangular Bars—Unpolished Mill Finish Hardness: Rockwell C28-C32 Yield Strength: 97,000 psi Hot rolled Meet ASTM A689. Can be heat treated to a maximum attainable hardness of Rockwell C63. Thickness tolerance is ±0.012". Width tolerance is ±0.090". Straightness tolerance is 1/8" per 5 feet. Wd. Lg., ft. Each 0.250" Thick 1 1/4" 6 8644T11 $34.34 3" 6 8644T13 53.60 0.323" Thick 2" 6 8644T21 48.88 3" 6 8644T23 64.62 0.360" Thick 2" 6 8644T32 53.30 0.375" Thick 4" 6 8644T34 90.75 0.500" Thick 2" 6 8644T41 68.00 3" 6 8644T43 89.57