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  • Product Name: Tungsten Alloy Anticorrosion /Anti-galling Tubing Coupling
  • Views : 129

1, the structure:
 API standard inner tube and the outer surface of the threaded couplings deposited tungsten alloy layer.
2, the performance indicators:
 The basic properties: size, precision thread sealing meet API standards
 Threaded connection: Thread has good release buckle sex
 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
 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: <30μm
 Tungsten alloy layer surface hardness: ≥650HV
3, performance testing
 User testing feedback
 Customer Unit: Shengli Oilfield Highland Petroleum Equipment Co., Ltd.
 Product Name: plated tungsten alloy tubing coupling Executive Standard: GB / T9253.2-1999 API SPEC 5B
 Test results
 Thread: meet the standard requirements
 Close connection test: 46Mpa pressure seal does not leak
 Shackle on trial: the shackle 13 sticky buckle

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Address: 5th Floor, Dongta Building, Hunan Chamber of Commerce MansionNo.569, 3rd Section of Furong Middle Road, Yuhua District, Changsha City, Hunan ,P.R.China.

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