FOB Price
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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:
3000 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: It is a normal API standard deposition with tungsten alloy coatings on the ir inner and outer walls.
2. The Performance
Indicators:
Basic performance:
Meet API standards.
Corrosion properties: Resistance to
corrosion of H2S and CO2 with high temperature, salt water, alkali
and weak acid corrosion, meeting the corrosion resistance
requirements of standard NACE 0177.
Wear resistance: Good wear
resistance, equivalent to hard chromium
layer.
Adhesion of tungsten alloy layer and
substrate: Tested according to GB / T5270-2005, the
tungsten alloy layers dont crack of peel off.
Appearance: Uniformly
bright, silvery white
Tungsten alloy layer
thickness: 40-60μm
3. Performance
Testing
Wear and corrosion test:
Having 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.
