How to Separate Thick-walled Seamless Steel Tubes
1. The pseudo-thick-walled seamless steel pipe is prone to collapse. Folding is the formation of a variety of fold lines on the surface of thick-walled seamless steel tubes. Such defects often run through the entire product. The reason for the folding is due to the high efficiency of the shoddy manufacturers, the large amount of reduction, the generation of ears, and the folding of the folded products. The folded products will crack after bending, and the strength of the thick-walled seamless steel pipe will decrease greatly. .
2. Pseudo-inferior thick-walled seamless steel pipes often have pockmarked appearance. Mamian is a defect caused by the irregular wear and tear of the thick-walled seamless steel pipe due to the wear of the groove. Due to fake and thick thick-walled seamless steel pipe manufacturers to seek profits, rolling slot rolling is often the most excessive.
3. Pseudo-inferior thick-walled seamless steel pipe surface is prone to scarring. There are two reasons for this: 1. Pseudo-inferior thick-walled seamless steel pipes are not uniform in material and have many impurities. 2. The inferior guide manufacturers' equipment is simple and easy to stick to steel, and these impurities are easy to produce scars after being bitten by rollers.
4. The surface of the inferior material is prone to cracks because its blank is adobe and the porosity of the blank is large. The adobe is subjected to thermal stress during the cooling process and cracks are generated. After the rolling, cracks occur.
5. Pseudo-inferior thick-walled seamless steel pipe is easy to be scratched because the equipment of the inferior and inferior material manufacturers is simple and easy to produce burrs and scratch the surface of the thick-walled seamless steel pipe. Deep scratches reduce the strength of thick-walled seamless steel tubes.
1. The pseudo-thick-walled seamless steel pipe is prone to collapse. Folding is the formation of a variety of fold lines on the surface of thick-walled seamless steel tubes. Such defects often run through the entire product. The reason for the folding is due to the high efficiency of the shoddy manufacturers, the large amount of reduction, the generation of ears, and the folding of the folded products. The folded products will crack after bending, and the strength of the thick-walled seamless steel pipe will decrease greatly. .
2. Pseudo-inferior thick-walled seamless steel pipes often have pockmarked appearance. Mamian is a defect caused by the irregular wear and tear of the thick-walled seamless steel pipe due to the wear of the groove. Due to fake and thick thick-walled seamless steel pipe manufacturers to seek profits, rolling slot rolling is often the most excessive.
3. Pseudo-inferior thick-walled seamless steel pipe surface is prone to scarring. There are two reasons for this: 1. Pseudo-inferior thick-walled seamless steel pipes are not uniform in material and have many impurities. 2. The inferior guide manufacturers' equipment is simple and easy to stick to steel, and these impurities are easy to produce scars after being bitten by rollers.
4. The surface of the inferior material is prone to cracks because its blank is adobe and the porosity of the blank is large. The adobe is subjected to thermal stress during the cooling process and cracks are generated. After the rolling, cracks occur.
5. Pseudo-inferior thick-walled seamless steel pipe is easy to be scratched because the equipment of the inferior and inferior material manufacturers is simple and easy to produce burrs and scratch the surface of the thick-walled seamless steel pipe. Deep scratches reduce the strength of thick-walled seamless steel tubes.
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