Yurui Metallurgical Material

Technical Requirements For Alloy Cored Wire

1. The steel strip shall be annealed and the surface roughness shall be 6.3μm;

2. The powder size should be around 0.25mm;

3. There is a requirement for the composition of the cored wire, and the calcium in the calcium silicon cored wire is required to higher than 28%;

4. The error of powder weight shall not exceed the specified limit;

5. The hasp of cored wire is compact, no powder leakage is allowed during feeding;

6. Indicate the weight of the cored wire, the length of the cored wire, and the weight of the iron plate;

7. Powder must be dry, with moisture content less than 0.5%.

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