首次尝试了用热等静压法（ＨＩＰ）制造大型钢管张力减径机复合硬质合金轧辊，并获得了近实物尺寸的复合轧辊。通过对复合轧辊解剖取样，考察了复合轧辊界面结合特征，测定了复合轧辊界面结合强度，分析了复合轧辊裂纹产生的原因，为热等静压法生产复合轧辊的进一步研究提供了工艺参考和实验依据。 For the first time, HIP was used to fabricate a large-scale steel tube tension reducer composite carbide roll, and a nearly physical size composite roll was obtained. Through the anatomical sampling of the composite roll, the bonding characteristics of the composite roll interface were investigated, and the bonding strength of the composite roll interface was measured. The reasons for the crack in the composite roll were analyzed. The technological reference and experiment were provided for the further study on hot roll forming of the composite roll in accordance with.