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Mechanical properties of non-magnetic drill collars
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| Post Date: | Nov 18,2013 |
| Expiry Date: | Nov 18,2014 |
| Detailed Description: |
Quantity: 10000 Payment Method: Remittance Mechanical properties of non-magnetic drill collars Hardness requirements In each bar or tube on the hardness test. Should be in accordance with ISO6506-1 or ASTM A-370 requirements, the use temperature Brinell test method, the bar or the outer surface of the pipe (the entire length of not less than 5 points) and the cross-section hardness test, hardness is> 285 ~ 341HB ?Tensile Requirements Should be carried out in line ISO6892 or ASTM A370, 0.2% residual deformation law requires cylindrical specimens to determine tensile properties. Tensile samples may be taken from either end of the bar or tube. Sample processing area should be located so that the center of the gauge from the bar or tube ends at least 4in. The direction of the tensile specimen longitudinal centerline of the outer surface of the specimen thickness 25mm or centerline, select smaller. Male threads of the pipe material thickness measured central location plus tensile test and hardness test. more size of non-magnetic drill collar：http://www.petroleum-drilling.com/petroleum-drilling-tools/non-magnetic-stabilizer.html |
| Company: | HENAN WEIN INDUSTRY CO.,LTD. [ China ] |
| Contact: | hewei |
| Tel: | 86-371-65807516 |
| Fax: | |
| Email: | weindipipe@gmail.com |
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