Description

1. Structure: There is a deposition of tungsten alloy layer on the inner and outer walls of general API standard pipes or special premium thread tubing.

2. Performance Indicators
Tungsten Alloy Layer and Backing Material Binding Force: According to GB/T5270-2005 testing, the tungsten alloy layer does not crack or peel off.
Appearance: Uniformly bright, showing silvery white
Thickness of Tungsten Alloy Layer: 40-60μm
Hardness of Tungsten Alloy Layer: 560-640HV
Special Premium Thread Tubing: Hydrostatic pressure: 95MPa, load maintaining for 30 minutes, without leakage.
Gas seal: 70MPa, load maintaining for 15 minutes, without leakage.
 

3. Product Classifications and Standards
Standards of Tungsten Alloy Anti-corrosive Tubing