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Henan Zhongyuan Roller Shaft Co., Ltd. is a professional Multistand Pipe Rolling Mill mandrel shaft manufacturer in Zhongyuan area in China. The details information of mandrel bars is as follows.
1. Material: H13, H11, 4Cr5MoSiV1;2. Diameter: D80mm-350mm;3. Length: 3000mm-20000mm;4. Process route: EAF+VD+LF+ESR;
5. Application: Used in Multistand Pipe Rolling Mill or seamless tube rolling mill