Specifications include, but are not limited to: 16 Items - Grader Blades, Snowplow Blades & Rubber Snowplow Blades delivered to locations listed as per attached sheet. All blades are to be made in two interchangeable square end sections and are to be punched as per State Highway Standard Punching. Cutting edges shall be made from material 6" & 8" wide, 1/2" thick flat and 5/8" thick curved and beveled on both edges. It is not necessary that the grader blades be ground or lacquerd. (BOLTS AND NUTS ARE NOT TO BE FURNISHED WITH GRADER BLADES). The material used in the grader blades shall meet the following specifications or analysis: CARBON .80 TO 1.00 PHOSPHOROUS .04 Maximum SILICON .30 Maximum MANGANESE .60 TO 1.00 SULPHUR .05 Maximum BRINNEL HARDNESS 250-325
