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Perforación geológica

Comercializamos todo tipo de tubos de precisión sin costura con diámetros exteriores que van desde los 10mm hasta 370mm y anchos de pared que van desde 1mm hasta 32mm de acuerdo a los estándares de GB, ASTM, DIN, JIS, y EN. Nuestros estándares principales son DIN2391, DIN1629, EN10305-1, ASTM A519, JIS G3445, JIS G4051 ,etc.

Size Range

  • O.D 30-139.7 mm, WT 3-19mm

Executive Standard

  • GB/T9808 Seamless Steel Tubes for Drilling
  • GB/T 16950, Geological core drilling tools
  • DIN2391, Seamless precision steel tubes
  • EN10305-1, Steel tubes for precision applications Part 1: Seamless cold drawn tubes
  • ASTM A519, Seamless Carbon and Alloy Steel Mechanical Tubing
  • DCDMA, Diamond Core Drilling Manufacturers Association
  • BS4019, Specification for rotary core drilling equipment
  • JIS G3465, Seamless Steel Tubes for Drilling
  • According to customer’s specific requirements

Steel Grade

  • 45MnMoB, 30CrMnSiA, 30CrMo, 42CrMo, 40Mn2 ; 34CrMo4, 42CrMo4 ; 4130, 4135, 4140, 1541 and etc.

Delivery Condition

  • Cold drawn and stress relieved (+SR) (BKS)
  • Normalized (+N) (NBK)
  • Quenched and Tempered (QT)