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Low-cost seamless steel tube manufacturing method

A technology of seamless steel pipes and manufacturing methods, which is applied in the field of seamless steel pipe manufacturing, can solve problems such as complicated steps and increased enterprise costs, and achieve the effects of accelerating efficiency, reducing energy consumption, and using less time

Pending Publication Date: 2021-04-06
衡阳鸿常机化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the disadvantages of complex traditional process steps in the prior art and increase the cost of the enterprise in a disguised form, and propose a low-cost seamless steel pipe manufacturing method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0026] As another embodiment, step 1: firstly, the tube blank is subjected to acid mist treatment;

[0027] Step 2: Then use the manipulator to clamp the tube blank and send it into the furnace, continue to rotate and heat it, and after heating to 1000°C, take it out and spray the corrosion-resistant solution, then quickly place the tube blank on the conveying roller table, and transport the tube blank to the piercer for processing. perforation;

[0028] Step 3: Pull from the steel drawing machine to the automatic pipe rolling machine to roll the pipe. During the rolling process, the temperature of the steel is 800°C, and the steel is drawn from the steel drawing machine to the micro-tension reducing machine to reduce the diameter, and the diameter reduction amount is 25%;

[0029] Step 4: After the steel pipe is cooled, pickling and lubricating with acid mist solution, then cold drawing with a cold drawing machine, and the finished steel pipe is sent to a heat treatment furna...

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Abstract

The invention relates to the technical field of seamless steel tube manufacturing methods, in particular to a low-cost seamless steel tube manufacturing method. The low-cost seamless steel tube manufacturing method comprises the following steps that 1, firstly, acid mist treatment is conducted on a tube blank; 2, the tube blank is clamped and fed into a furnace through a mechanical arm, continuously heating is conducted in a rotating mode, after heating to 900-1200 DEG C, the tube blank is taken out and sprayed a corrosion-resistant solution, then the tube blank is quickly placed on a conveying roller way, the tube blank is conveyed into a perforating machine for perforating, acid pickling and lubricating treatment is conducted by using an acid mist solution, then cold drawing is conducted by using a cold drawing machine, a finished steel tube is conveyed into a heat treatment furnace to be subjected to heat treatment, the temperature control range is 700-800 DEG C, the furnace temperature control precision is smaller than 3 DEG C, and the time is 1-3 hours. According to the low-cost seamless steel tube manufacturing method, the technological process consumes less time, the steel tube manufacturing efficiency is improved, meanwhile the heating temperature in the technological process is lower than the traditional temperature, energy consumption is reduced, the steel tube quality is guaranteed, and meanwhile greater benefits are brought to enterprises.

Description

technical field [0001] The invention relates to the technical field of seamless steel pipe manufacturing methods, in particular to a low-cost seamless steel pipe manufacturing method. Background technique [0002] Traditional steel pipe production process: round tube billet, heating, piercing, extrusion, tube removal, annealing, cooling, straightening, hydrostatic test, marking, storage, this kind of process steps are more complicated, which increases the cost of enterprises in disguise. Contents of the invention [0003] The purpose of the present invention is to solve the disadvantages of complicated traditional process steps in the prior art and increase the cost of the enterprise in a disguised form, and propose a low-cost seamless steel pipe manufacturing method. [0004] In order to achieve the above object, the present invention adopts the following technical solutions: [0005] A low-cost seamless steel pipe manufacturing method, comprising the following steps: ...

Claims

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Application Information

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IPC IPC(8): B21C37/06C21D9/08C23G1/08C23G3/04C21D1/18
CPCB21C37/06C21D9/085C23G1/08C23G3/04C21D1/18
Inventor 唐俊杰
Owner 衡阳鸿常机化有限公司