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  • Product Name: Corrosion Resistant Tungsten Alloy Rod Coupling
  • Views : 94

1.Structure:
 API standard couplings outer surface deposition of tungsten alloy layer.
2. Performance indicators:
 The basic properties: size, accuracy according to API standard thread
 Corrosion properties: anti H2S / CO2 temperature corrosion resistance to salt water corrosion, alkali,

corrosion resistance, weak acid corrosion, NACE 0177 to meet the standard requirements for corrosion resistance
 Wear performance: good wear resistance, superior or equivalent to chrome.
 Tungsten alloy layer and the substrate binding: according to GB / T5270-2005 testing, coating does not crack, not falling
 Appearance: uniformly bright, silvery white.
 Tungsten alloy layer thickness:> 40μm
 Tungsten alloy layer surface hardness: ≥600HV

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