Corrosion is a major challenge in the oil and gas industry, particularly for pipelines exposed to harsh environments such as seawater, acidic soils, and high humidity. To combat this, ZnAl15 thermal spray wire has become a preferred material for protective coatings. This alloy, composed of 85% zinc (Zn) and 15% aluminum (Al), offers superior corrosion resistance, durability, and cost-effectiveness compared to traditional zinc or aluminum coatings alone.
Thermal spray coatings using ZnAl15 wire provide long-term protection against rust, abrasion, and chemical degradation, significantly extending the service life of pipelines and related infrastructure.
Key Applications in Oil & Gas Pipeline Protection
Offshore & Onshore Pipelines
Protects against saltwater corrosion in marine environments.
Resists degradation from acidic soils and industrial pollutants.
Storage Tanks & Structural Components
Prevents internal and external corrosion in fuel and chemical storage tanks.
Used on support structures, valves, and flanges to enhance longevity.
Refinery & Petrochemical Equipment
Shields heat exchangers, condensers, and pressure vessels from corrosive gases and liquids.
Reduces maintenance frequency and operational downtime.
Why Choose ZnAl15 Thermal Spray Wire?
Superior Corrosion Resistance: Combines the sacrificial protection of zinc with the barrier protection of aluminum.
Long Service Life: Outperforms pure zinc or aluminum coatings in harsh environments.
Excellent Adhesion: Forms a strong, uniform coating that withstands mechanical stress.
Cost-Effective: Reduces the need for frequent recoating and repairs.
Versatility: Compatible with arc spray, flame spray, and HVOF thermal spray processes.
User Needs & Industry Demand
Oil & gas companies require reliable corrosion protection to prevent leaks and ensure pipeline integrity.
Maintenance contractors seek durable, easy-to-apply coatings to minimize shutdowns and repair costs.
Government & regulatory bodies demand compliance with safety and environmental standards.
Specification
Item | Inconel 625 | Ni95Al5 | 45CT | Monel 400 | Monel K500 | HC-276 | Cr20Ni80 |
C | ≤0.05 | ≤0.02 | 0.01-0.1 | ≤0.04 | ≤0.25 | ≤0.02 | ≤0.08 |
Mn | ≤0.4 | ≤0.2 | ≤0.2 | 2.5-3.5 | ≤1.5 | ≤1.0 | ≤0.06 |
P | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.02 |
S | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 |
Si | ≤0.15 | ≤0.2 | ≤0.2 | ≤0.15 | ≤0.5 | ≤0.08 | 0.75-1.6 |
Cr | 21.5-23 | ≤0.2 | 42-46 | -- | -- | 14.5-16 | 20-23 |
Ni | rest | rest | rest | 65-67 | rest | rest | rest |
Cu | -- | -- | -- | rest | 27-33 | -- | -- |
Mo | 8.5-10 | -- | -- | -- | -- | 15-17 | -- |
Ti | ≤0.4 | 0.4-1 | 0.3-1 | 2.0-3 | 0.35-0.85 | -- | -- |
Al | ≤0.4 | 4-5 | -- | ≤0.5 | 2.3-3.15 | -- | -- |
Fe | ≤1.0 | -- | ≤0.5 | ≤1.0 | ≤1.0 | 4.0-7.0 | -- |
Nb | 3.5-4.15 | -- | -- | -- | -- | -- | ≤1.0 |
| Co | -- | -- | -- | -- | -- | -- | -- |
V | -- | -- | -- | -- | -- | ≤0.35 | -- |
W | -- | -- | -- | -- | -- | 3.0-4.5 | -- |
Impurities | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 |
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