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En9 round bar is also known by its trade name 070M55. The carbon content in the alloy of an en9 bright bar ranges between 0.5 – 0.6%, thus making this grade a medium carbon steel alloy. The tensile strength of the en9 steel rod could be developed between 500 Mpa – 800 Mpa.
Typical applications for the en9 flat bar include its use in the production of shafts, woodworking, axes, knives, crankshafts, screws, bushes, sprockets, springs, cams, cylinders, sickles, drills as well as small gears, machine tools, keys and hammers.
EN9, EN9 Bright Bar, EN9 Bright Bar Chemical composition, EN9 Bright Bar Mechanical properties, EN9 Bright Bar Equivalent Grades, EN9 Steel Bright Hexagon Bar, EN9 Bright Bar Manufactures, EN9 Bright Bar Suppliers, EN9 Bright Bar Dealers, EN9 Bright Bar Stockist, EN9 Bright Bar Distributors, EN9 Bright Bar Wholesalers, En9 Bright Bar Traders.
The following table shows the chemical composition of EN9 steel:
UTS in N/mm2 , hot rolled or normalized, min.:705 (72 kg/mm2)
Elongation %, hot rolled or normalized, min: 13
UTS in N/mm2 , hardened and tempered, min. *:775 (79 kg/mm2)
Elongation %, hardened and tempered, min: 13
*(Limiting ruling section = 30mm)
180 HB to 230 HB
550°C to 660°C
Forging, rolling, etc. : 1150 oC, finishing > 850 oC