Tungsten alloy anti-corrosion anti-sticking buckle coupling
Classification:
Key words:
Hunan Nafel_Nafel_Tungsten Alloy Casing
1. Structure: ● Tungsten alloy layer is deposited on the inner thread and outer surface of API standard pipe coupling. 2. Performance index: ● Basic performance: size, thread accuracy and sealing performance meet API standard requirements ● Thread connection: thread has good anti-galling performance ● Anti-corrosion performance: H2S/CO2 high temperature corrosion, salt water corrosion, alkali corrosion and weak acid corrosion resistance, meeting standard NACE0177 corrosion resistance requirements ● Binding force between tungsten alloy layer and substrate: tested according to GB/T5270-2005, coating does not crack or fall off ● Appearance: uniform and bright, silvery white ● Tungsten alloy layer thickness:<30μm ● Tungsten alloy layer surface hardness: ≥ 650HV 3, performance testing ● User inspection feedback ● Customer unit: Shengli Oilfield Plateau Petroleum Equipment Co., Ltd. ● Product name: Tungsten alloy tubing coupling implementation standard: GB/T9253.2-1999 APISPEC5B 4, inspection results ● Thread: meets standard requirements ● Tight connection test: 46Mpa seal pressure does not leak ● upper shackle test: upper shackle is not glued for 13 times
Product Details
1. Structure:
● API standard pipe coupling internal thread and external surface deposition of tungsten alloy layer.
2. Performance indicators:
● Basic performance:Dimension, thread accuracy and sealing shall meet the requirements of API standard
● Threaded connections:Thread has good anti-galling
● Corrosion resistance:H2S/CO2 high temperature corrosion resistance, salt water corrosion resistance, alkali corrosion resistance, weak acid corrosion resistance, meet the standard NACE 0177 corrosion resistance requirements
● Binding force between tungsten alloy layer and substrate:The test shall be carried out according to GB/T5270-2005, and the coating shall not crack or fall off.
● Appearance:Uniform bright, silvery white
Tungsten alloy layer thickness:<30μm
● Surface hardness of tungsten alloy layer:≥ 650HV
3. Performance testing
● User inspection feedback
● Client Unit:Shengli Oilfield Plateau Petroleum Equipment Co., Ltd.
● Product name:Executive standard of tungsten-plated alloy tubing coupling: GB/T9253.2-1999 API SPEC 5B
4. Inspection results
● Thread:Comply with standard requirements
● Tight connection test:46Mpa seal pressure does not leak
● Upper shackle test:The upper shackle is not glued for 13 times
Message consultation
Service Hotline:
Hunan Nafel New Material Technology Co., Ltd.
Company office address: 27th floor, west tower, Hunan business council building, 569 furong middle road section 3, Yuhua district, Changsha city, Hunan province
Address: Changde Surface Treatment Industrial Park, Songlin Road, Changde Economic Development Zone, Hunan
Telephone:+860731-82712276
web site: wear. Web site, anti-corrosion wear. web site, electroplated tungsten alloy. Website, Nafel. Website