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研制了新型支承辊用4 Cr Ni Mo V 钢,测定了该钢的 C C T 曲线。试验结果表明,该钢具有良好的淬透性、抗回火稳定性,并给出了最佳的热处理工艺
A new 4 Cr NiMovsteel steel for backing roll was developed and its C C T curve was measured. The test results show that the steel has good hardenability, anti-tempering stability, and gives the best heat treatment process