Technical characteristics of Drilling Tools

  • Mechanical properties of pipe products are according to API Spec 7-1 (Drill Collars, HWDPs, Kellies, Subs, Pup Joints),
    testing method according to ASTM A 370
  • Outer surface coating: enamel PF-116, green color

Guarantee obligations

  • All tubular products are provided with 12 months operational guarantee limited by 18 months from the shipping date
  • The average operation life of tubular products before the first re-cutting of threaded connections – not less than 3500 hours
  • Maximum 6 re-threading are allowed

Continuous Casting Blooms (min order 18-20 t)

  • Min cross-section 250 x 250 mm
  • Max cross section 650 x 650 mm
  • Length: 1800 mm up to 6000 mm

Ingots (min order 18-20 t)

  • Weights: 6 t, 10,3 t, 12 t

Steel Forgings (min order 12-14 t)

  • OD 129 – 500 mm, length as agreed with the customer

Steel Grades

  • Carbon steel
  • Alloy and high alloy steel
  • Stainless (chromium and nickel) steel

Heat Treatment

  • Quenching and Tempering
  • Annealing
  • Normalization

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