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含硅基体钢50Cr4W3Mo2VSi比3Cr2W8V具有更高的淬硬性和热稳定性,它用于铜管热挤压底摸使用寿命可提高1~2倍.
The silicon-based substrate steel 50Cr4W3Mo2VSi has higher hardenability and thermal stability than the 3Cr2W8V, which can be used to increase the service life of the copper tube by 1 to 2 times at the end of hot extrusion.