Comment les tuyaux en acier sans couture sont-ils produits? Quelles sont les différences entre les tuyaux en acier la tronçon à chaud et le froid?
The production process of general seamless steel pipes can be divided into cold drawing and hot rolling. As the name implies, hot rolling has a high temperature of the rolled piece, so the deformation resistance is small and a large deformation amount can be achieved. Taking the rolling of steel […]
