china ordinary drill stabilizer

• Post Date:

  Nov 18,2013

• Expiry Date:

  Nov 18,2014

• Detailed Description:

  Payment Method: Remittance
  My company produced according to the following technical indicators drill - Stabilizer (centralizer):
  1, Material: 4145H 2, smelting: EAF = LF 3, forging ratio: ≥ 3
  4, heat treatment: quenching and tempering
  5, mechanical processing: according to drawings,
  6, mechanical properties (meet ASTM A370 and API 7 (subcutaneous 1 "at room temperature):
  Tensile strength ≥ 965 N/mm2)
  Yield strength ≥ (793 N/mm2)
  Elongation ≥ 15%
  Surface shrinkage ≥ 45%
  V-notch, radial notch direction: radial direction, minimum: 40Ft/Lbs (≥ 54J)
  7, hardness:
  Surface Hardness :285-340HB (at a distance of 300mm at both ends of the surface hardness of each measuring 1:00)
  Under the surface hardness :285-340HB (in the small table diameter circumferential direction every 90o take a little testing)
  8, the grain size: (ASTM112) grain size ≥ 5 grade
  9, the non-metallic inclusions: According to ASTM-E-45 A France: 10, ultrasonic testing: According to ASTM A388 standards
  11, surface defects
  In the final heat treatment and after machining, should be detected each non-magnetic stabilizers surface defects.
  Detection method: Magnetic particle inspection or liquid penetrant inspection or other methods.
  Receive Standard: no cracks, scars, white point and surface defects such as folding. Repair welding is not allowed.

• Company:

  HENAN WEIN INDUSTRY CO.,LTD.     [ China ]        

• Contact:

  hewei

• Tel:

  86-371-65807516

• Fax:

• Email:

  weindipipe@gmail.com