Black Alloy Steels

Black Alloy Steels

Black Alloy Steels

Black alloy steels are easy machined making them useful in wide variety of applications including in cars, motorcycles and in tube manufacturing. We stock the following:

  • 709m40 (En19) 1% CHROMIUM MOLYBDENUM STEEL, black round bar for use in axle shafts, crankshafts, connecting rods, gears, high-tensile bolts and stud, propeller shafts, joints, rifle barrels and breech mechanisms for small arms parts, induction hardened track pins.
  • 817M40 (En24) CHROMIUM MOLYBDENUM STEEL, black round bar, used in automobile main shafts, axle shafts, connecting rod bolts, synchronising cones, push rods, studs, differential shafts, motorcycle kick-starter ratchets, pinion sleeves, mandrel bars for tube manufacturing, gun barrels, breech mechanism parts, heavy-duty engine connecting rods, high-temperature bolts in oil refining and steam installation. Used in various parts of machine tools, such as spindle gears, compensating washers and also power transmission gears slide racks and slide cams.
  • 835M30 (En30B) Annealed 4% NICKEL CHROMIUM MOLYBDENUM STEEL, round bar, for high-duty gears, pinions, aero engine connecting rods, differential shafts, transmission components, gudgeon pins, airframe forgings, heavy roller bearings, breech mechanisms and small arms components, moulds for plastic. Die casting dies up to 600°C, header dies and die rings.
  • 655M13 (En36B) CASE HARDENING STEEL, round bar, high duty gears for aircraft, auto and heavy vehicles, transmission components, steering worms, track rod pins, gudgeon pins, timing wheels, breech mechanisms and small arms parts.
  • 835M15 (En39B) ANNEALED for shank adaptors / couplings
  • K0006 for taper bits, knock-off bits, buttons bits.
  • NC 09/01 for high-duty gears, pinion and worm shafts.
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Brochure Size
Aveng Trident Steel Catalogue2.15 MB 2.15 MB
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