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|Minimum Order
Place of Origin:
-
Price for Minimum Order:
-
Minimum Order Quantity:
50 Rod
Packaging Detail:
Standard Shipping Packaging
Delivery Time:
As per shedule
Supplying Ability:
18000 Rod per Year
Payment Type:
T/T, L/C
連絡先担当者 Ms. Red
Tai Yai St, Kowloon, Hong Kong SAR
1. Structure: There is deposition of tungsten alloy layer on the inner and outer walls of API standard drill pipes.
2.
Performance Indicators:
Basic Performance: Meeting API
standards.
Anti-corrosion Property: Resistance to H2S/CO2 corrosion in high temperature, salt water corrosion, alkali corrosion
and weak acid corrosion,
meeting the corrosion resistance requirements of NACE 0177
standards.
Wear Resistance: Good, equivalent to that of hard chromium layer.
Tungsten Alloy Layer and Backing Material Binding Force: According to GB/T5270-2005 testing, the
plating layer does not crack or peel off.
Appearance: Uniformly bright, showing silvery white
Thickness of Tungsten Alloy Layer: 40-60μm
3.
Performance Testing
Wear and Corrosion Resistance Test: Passed a variety of the wear and corrosion resistance tests
carried out by Xian CNPC Tubular Goods Research Institute, Xian
Maurer Petroleum Engineering Laboratory, and Quality Supervision
and Inspection Center of Surface Covering Layer Products for
Machinery Industry.
