Tungsten alloy layer thickness: 40-60μm
Tungsten alloy layer hardness: 560-640HV
Shanghai Metal Corporation Professionally manufactures Tungsten alloy anti-corrosion oil pipe and insists on the principle of quality first and customer first. Fully considering the security of users and strive to improve the efficiency for customers. Our product has been praised by user for a long time, and it is the first choice for customers to supply gas in a centralized way.
High Density Tungsten Alloys are made produced by a process called powdered metallurgy. This is a technique where tungsten powder is mixed with nickel, copper (non-magnetic) or iron (magnetic) powder or some other binder elements. It is then compacted, and liquid phase sintered. The result is a very high density machinable material having a homogeneous structure with no grain direction. This provides a material with unique applications and physical properties. Parts made from this material are intended for uses such as weights or counter-balances in static or dynamic balancing, high-speed rotating inertia members, radiation shielding, hypervelocity impact, and vibration-damping applications. In selecting the appropriate alloy for a given application, it is important to note that as the tungsten content of the alloy is increased, stiffness, radiation attenuation, and density increase with an accompanying decrease in attainable ductility. These alloys may contain elements that make them magnetic. Customers should specify if they require a non-magnetic alloy. According to the ASTM specification, non-magnetic material is defined as material having a maximum magnetic permeability of 1.05.
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Technical Information of Tungsten Alloy Anti-Corrosion Oil Pipe:
Indicator Corrosion Resistance Level |
Grade A tungsten alloy oil pipe |
Grade B tungsten alloy oil pipe |
Grade C tungsten alloy oil pipe |
CO2 partial pressure |
≤11Mpa |
≤5Mpa |
≤2Mpa |
H2S partial pressure |
5Mpa |
4Mpa |
2Mpa |
Temperature |
≤1600C |
≤1200C |
≤900C |
CL-density |
≤120g/L |
80g/L-100g/L |
<80g/L |
Corrosion resistance comparison |
Equivalent to nickel-based alloy |
Better than Super 13Cr or Dual Phase Steel |
better than 13Cr |
Mechanical properties |
consistent with base material |
consistent with base material |
consistent with base material |
Base material (seamless steel pipe) |
110SS |
N80、P110 |
J55、N80 |
Tungsten alloy layer thickness |
60-80um |
40-60um |
≥30um |