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a. The cutting edges shall be formed from high carbon steel made by the open <br />hearth, basic oxygen, or electric furnace process and shall have the following <br />composition. <br />b. The composition of steel shall be as follows: <br />Hi h Carbon <br />Heat Treated <br />-Composition Min % <br />Max % <br />Composition <br />Min % <br />Max <br />Carbon 0.80 <br />1.00 <br />Carbon <br />0.25 <br />0.35 <br />Man anese 0.50 <br />0.90 <br />Man 9anese <br />0.75 <br />1.20 <br />Phosphorous <br />--- <br />0.05 <br />Phosphorous <br />--- <br />0.05 <br />Sulfur <br />--- <br />0.05 <br />Sulfur <br />--- <br />0.05 <br />Silicon <br />- <br />0.35 <br />Silicon <br />6.16 <br />0.40 <br />Boron <br />0.0005 <br />0.0085 <br />C. The finished cutting edge shall have a Brinell hardness number, under a 3000 <br />kilogram load, of not less than 250 nor more than 350 for high carbon blades, and <br />not less than 400 nor more than 520 for heat treated blades. The Brinell hardness <br />number will be determined by the current Method Test for Brinell Hardness of <br />Metallic Materials, ASTM Designation E10. <br />d. A chemical analysis of each melt of steel shall be made available by the <br />manufacturer to determine the percentages of the elements specified. <br />3. The cutting edges shall be of the length specified on the request for quotation form <br />and shall be double bevel, curved, 5/8 inch or 3/4-inch-thick, and 6 inch or 8 inch <br />wide after forming. The bevel shall be 1 inch in length and the cutting edge shall have <br />a radius curvature of 7 1/2 inch to 10 inch. The finished blade section will be given a <br />coat of rust resistant paint and shall be free of warpage and longitudinal deviation. <br />The cutting edges for 5/8-inch blades and 3/4-inch blades shall be punched with <br />11/16-inch square holes with countersink to receive 5/8-inch diameter #3 plow bolt. <br />Hole punching to be "standard highway punch" (end 2 holes on each end of the blade <br />on 3-inch centers, and the remaining holes 12-inch spaced center to center across <br />the middle of the blade) as per the diagram below. <br />LENGTH (At"S SPECIFIED ON �d. �q4„Y'„�I" FOR f; IUtYTATTihIi <br />3" . 3" <br />3' j 3" <br />F3 ... p.... ..._,,._„ .,....,. ,,r„._„.... ....... ... ..... .m-____` -----0 --- N <br />.w <br />XV. DIVISION H: SNOW REMOVAL MATERIALS CONT'D <br />A. Prevailing specifications/INDOT Standard Specification Section: None <br />B. Additions: <br />1. The general purpose bucket shall be compatible to a 2016 Hyundai HL960 Wheel <br />Loader. A 3-piece bolt kit and hardware shall be included in the unit price. <br />2. The bucket shall have a 3 cubic yard capacity. <br />3. The bucket shall be a Werk-Brau Part Number WL3GP100-3.00 or an approved <br />equal. <br />