Corpus ID: 140998025

Method for manufacturing different-thickness steel pipe, and different-thickness steel pipe

@inproceedings{2017MethodFM,
  title={Method for manufacturing different-thickness steel pipe, and different-thickness steel pipe},
  author={水村 正昭 and 井口 敬之助 and 英弘 有田},
  year={2017}
}
This method for manufacturing a different-thickness steel pipe, which manufactures a different-thickness steel pipe from a hollow cylindrical element pipe, has: a locking step, wherein the element pipe is arranged inside a die and a plug is inserted from one end of the element pipe while movement of the element pipe in the lengthwise direction is restricted, thereby enlarging the outer shape of that one end and locking the element pipe in the die; and an ironing step, wherein the restriction of… Expand