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Boron steel harrow disc, 1.Spray painted, 2. Carbon Steel EN 45, 3. Boron Steel (30 MN B5), 4.Hardness :- 38 to 42 HRC in Carbon - details see: https://www.machineto.com/boron-steel-harrow-disc-10170985

Brohawk is currently manufacturing and exporting harrow discs and plough discs in Carbon Steel and Boron Steel with scores of sizes ranging from 16 inches to 28 inches in diameter and 2.5 mm to 8mm in thickness. To manufacture discs we use Carbon Steel EN 45 i.e equivalent to SAE 1070 grade and Boron Steel EN 10083 (30 MN B5) grade material. We maintain hardness of the discs from 38 to 42 HRC in Carbon Steel and 48 to 52 HRC in boron steel. We manufacture discs with centre hole square, round, hex , Octave or as per the drawing and specification of the buyers.

1.Spray painted 2.Smooth & notched 3. Carbon Steel EN 45 4. Boron Steel (30 MN B5) 5.Hardness :- 38 to 42 HRC in Carbon Steel