Industry News, News

How to Prevent the Fracture of Seamless Stainless Steel Pipes?

                       
Update:03-03-2021
Summary:

Generally, seamless stainless steel pipes improve the p […]

Generally, seamless stainless steel pipes improve the performance of the material by adding alloys to the metal. After the seamless steel pipe is cold drawn, stress relief annealing is required to eliminate the residual stress of the material, improve the structure of the material, and upgrade the material plasticity. So how to prevent seamless stainless steel pipe from breaking?

Domestic seamless stainless steel pipes generally improve the performance of the material by adding alloys to the metal. After the seamless stainless steel pipe is cold drawn, stress relief annealing is required to eliminate the residual stress of the material, improve the structure of the material, and improve the material. The plasticity, so as to achieve the purpose of preventing the fracture and failure of seamless stainless steel pipes.

At present, seamless stainless steel pipes increase the strength of metal through cold drawing deformation, but it is at the expense of the plasticity and toughness of the metal. Seamless stainless steel pipe is based on its high dimensional accuracy and high strength performance. It must ensure that the deformation is within the range to maximize the performance of the material and reduce the adverse impact on the material.

The deformation of the seamless stainless steel pipe is too small to meet the requirements of surface finish and dimensional accuracy, nor can it meet the strength index of the component. If the deformation is too large, the plasticity and toughness of the seamless stainless steel pipe are too low. Moreover, the crystal grains are drawn too slender, forming a fibrous structure, and the metal will have obvious anisotropy.

The axial direction of the cold-drawn seamless stainless steel tube is parallel to the elongation direction of the crystal grains, and the strength is increased. The radial direction of the cold-drawn seamless stainless steel tube is perpendicular to the elongation direction of the crystal grains, but the strength is reduced, and the hydraulic cylinder is large. The stress is present in the radial direction of the stainless steel precision tube, so too much deformation is not good for fully exerting the performance of the cold-drawn tube.

Huzhou Nanxun Yintuo Special Material Technology Co., Ltd. is a professional seamless pipe manufacturer, providing customers with high-quality stainless steel seamless pipe and alloy steel seamless pipe. For more details, please continue to pay attention to us.

Views: 80