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High Hardness Ni60A Nickel-Based Alloy Powder from China Suppliers - Durable Self-Fluxing Welding Material
Product Introduction
Application
Suitable for oxy-acetylene flame or plasma spray welding process. It is frequently used for corrosion resistance, wear resistance, and especially resistance to sliding wear parts for preventive protection and repair, such as:
- Wire drawing drums
- CAMs
- Plungers
- Rolling machine conveyor rolls
Technical Specifications
| Powder Melting Temp. | 960 - 1040 ℃ |
| Spray Welding Hardness | HRC 58 - 62 |
| DG.Ni60A Composition | Ni 0.9C 4.3Si 3.3B 4.2Fe 16.3Cr |
Production Process
Our powder is manufactured utilizing advanced processing methodologies to ensure consistency and high quality:
- Water atomization
- Gas atomization
Typical Coating Process
Compatible with a wide range of thermal spraying and surfacing processes:
- Oxygen acetylene flame spraying
- Plasma spraying
- Plasma surfacing
- Supersonic spraying
Important Operation Notes
1. Process Compliance: Strictly follow the standardized requirements of the oxy-acetylene flame or plasma spray welding process.
2. Gun Size Selection: When using small and medium-sized spray welding guns, select 150 mesh powder. For large spray welding guns, choose 150/+320 mesh powder.
3. Moisture & Storage: If the alloy powder exhibits moisture absorption, or if the storage period exceeds 3 months, it must be dried at 120℃ for 2 hours before application.
Frequently Asked Questions (FAQ)
Q1: What are the primary applications of DG.Ni60A spray welding powder?
DG.Ni60A is suitable for oxy-acetylene flame or plasma spray welding. It is commonly used for wear resistance, corrosion resistance, and particularly for preventing and repairing sliding wear parts such as plungers, CAMs, wire drawing drums, and conveyor rolls in rolling machines.
Q2: What is the melting temperature and hardness range of this powder?
The powder melting temperature ranges from 960℃ to 1040℃, and the resulting spray welding layer achieves a high hardness of HRC 58-62.
Q3: How do I choose the correct powder mesh size for different spray welding guns?
For small and medium-sized spray welding guns, it is recommended to use 150 mesh powder. For large-scale spray welding guns, a 150/+320 mesh powder should be selected.
Q4: What is the chemical composition of DG.Ni60A?
The chemical composition is formulated as Ni (nickel base) with 0.9% C, 4.3% Si, 3.3% B, 4.2% Fe, and 16.3% Cr.
Q5: How should I handle the powder if it has been stored for a long time or absorbed moisture?
If the alloy powder shows signs of moisture absorption, or if it has been stored for more than 3 months, it must be dried at a temperature of 120℃ for 2 hours before starting the welding process.
Q6: What production and coating methods are compatible with this product?
The powder is produced via water atomization or gas atomization. It is typically applied using oxygen acetylene flame spraying, plasma spraying, plasma surfacing, or supersonic spraying techniques.
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