Preparation method for niobium alloy thin walled tube of corrugated pipe
The invention discloses a preparation method for a niobium alloy thin walled tube of a corrugated pipe. The preparation method comprises the following steps: 1) sizing and cutting a fully re-crystallized niobium alloy tube stock and then polishing and cleaning; 2) putting balls into a ball spinning...
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Main Authors | , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
18.01.2019
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses a preparation method for a niobium alloy thin walled tube of a corrugated pipe. The preparation method comprises the following steps: 1) sizing and cutting a fully re-crystallized niobium alloy tube stock and then polishing and cleaning; 2) putting balls into a ball spinning device, coating a lubricant on the surface of a core bar of the ball spinning device and debugging the ball spinning device; 3) assembling the cleaned niobium alloy tube stock on the core bar of the ball spinning device after debugging, spinning and molding, thereby acquiring a semi-finished productof niobium alloy thin walled tube; 4) treating the semi-finished product of niobium alloy thin walled tube in the manner of washing with alkali, removing oil, washing with water and air-drying, and then performing full re-crystallization annealing, thereby acquiring the niobium alloy thin walled tube. According to the invention, the niobium alloy thin walled tube with high size precision, high surface quality and high pl |
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Bibliography: | Application Number: CN201811160728 |