FS669
Tool and Die Steel
Relying on Fugang's decades of aerospace and military technology, it was developed by Northeast Special Steel Group, the main drafter of the mold steel standard, and Fugang's national technical center organized the use of internationally cutting-edge production process flow, and its comprehensive performance has reached the world-class level.
- Product Description
-
High corrosion-resistant and wear-resistant mirror
Plastic mold steel
Relying on Fugang's decades of aerospace and military technology, it was developed by Northeast Special Steel Group, the main drafter of the mold steel standard, and Fugang's national technical center organized the use of internationally cutting-edge production process flow, and its comprehensive performance has reached the world-class level.
Ingredient Design
Brand
chemical composition
Si Si Mn Cr Ni Mo V Special elements FS669
0.40
0.35
0.35
16.0
0.9
0.9
0.15
+N
Add to
Material characteristics
Using vacuum degassing + electroslag remelting (quaternary slag system) to make the steel pure and uniform in structure
Excellent corrosion resistance, wear resistance, polishing performance, hardenability and comprehensive performance
After heat treatment, the hardness can reach HRC48-52. The quality level is similar to M340.
Main Applications
Plastic molds that require higher corrosion resistance and wear resistance; molds that require the production of mirror polished or transparent plastic products. Specific uses:
Plastic products with flame retardants: terminal blocks, electrical housings, electronics, electrical instruments, electrical switches, electrical box panels, automotive industry, etc.
Plastic products containing glass fiber: car door lock handles, headlight trims, mirror housings, plastic sports equipment, plastic gears, etc.
Transparent plastic products: car lamp housings, transparent panels, etc.
Heat treatment process
Quenching temperature: 1020℃~1050℃, oil cooling
Tempering temperature: 500℃-550℃, HRC48-52
Product Specifications
Round steel: Maximum diameter 450mm3
Flat steel: Maximum size 21-120*60-910mm;
Forgings: Maximum size 100-600*310-810mm; meet user needs.
Recommended materials:
When the mold size stability and wear resistance requirements are high, it is recommended to use high temperature tempering. In order to maintain the stability of the mold size, it is recommended to perform deep cooling before tempering.
It is recommended to select the size of the raw material consistent with the final size of the mold to obtain O. For the parts processed by EDM, if polishing is required, the deteriorated white layer should be completely removed to avoid affecting the polishing effect.
The stainlessness of stainless steel is relative rather than absolute, and it is necessary to do a good job of social
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