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|Minimum Order
Place of Origin:
-
Price for Minimum Order:
-
Minimum Order Quantity:
100 Piece
Packaging Detail:
Standard Shipping Packaging
Delivery Time:
As per shedule
Supplying Ability:
72000 Piece per Year
Payment Type:
T/T, L/C
連絡先担当者 Ms. Red
Tai Yai St, Kowloon, Hong Kong SAR
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: Tungsten alloy tubing
coupling Executive Standard: GB / T9253.2-1999 API SPEC
5B.
Test
results
Thread: Meet the standard
requirements.
Adhesion test: Under the pressure
of 46Mpa, the coupling is free of any leakage.
Make-up and break-out test: 13times
of make-up and break-out free of any galling.
