Now as a qualified buyer of 45 # seamless steel pipe, it is necessary to have the ability to identify fake and inferior quality. The following is a brief introduction to some small-scale technologies for identifying inferior steel pipes. Alloy tubes of various specifications and materials are operated throughout the year. The high quality product has 45 # steel pipe. 45 # seamless steel pipe, 45 # steel pipe, 10 # steel pipe, 35 # steel pipe. The company has established long-term friendly cooperative relations with Tianjin, Baosteel, Smelting Steel, Baotou Steel, Chengdu and other major steel mills, and has become the sales agent of many steel mills. Thousands of different specifications of steel pipes are used in various fields of the national economy, such as machinery, chemical industry, power plants, aerospace, public utilities, shipbuilding, oil fields, etc., and grow with more than 6,000 customers. Smart.


1. Seamless steel pipe of inferior 45 is easy to scratch, because the equipment of the fake seamless steel pipe manufacturer is simple. Over the years, the company has been "high quality, high efficiency, high reputation" business philosophy to provide customers with high quality, high quality products. Low-cost products and after-sales services have won the support and praise of new and old customers from all walks of life. Here, all employees of the company will serve the customers with good reputation, strong strength, high quality products and low prices. I would like to express my heartfelt thanks to the old and new friends and customers who have always cared about, supported and helped our company. Sincerely hope to establish long-term cooperative relations with them, mutual benefit and common development. It is easy to produce burrs and scratches on the surface of steel.  Deep scratches reduce the strength of steel.


The inferior seamless steel pipe has no metallic luster and is light red or similar to pig iron.


3. The cross-structure of counterfeit seamless steel tubes is thin and low, and filling and dissatisfaction often occur. The reason is that the manufacturer has a large negative tolerance, the first few passes of finished products are reduced too much, the iron shape is small, and the pass is unsatisfactory.


The cross section of the counterfeit seamless steel tube is elliptical. The reason is to save materials. The main materials in front of finished rolls are: 10 #, 20 #, 35 #, 45 #, 16mn, 27simn, 15CrMoG, 12Cr1MoVG, 10CrMo910 (P22) 1Cr5Mo (P5) 1Cr9Mo (P9) and imported materials: P11, P12, P22, P5, P9, P91, T91. Strong professionalism, strong technical force, rich production experience, good reputation, deeply trusted by the majority of users. Our business policy is: to survive by quality, to develop by products, to cooperate by reputation, to win customers by service. The strength of the seamless steel tube is greatly reduced and does not conform to the seamless steel tube. Steel pipe size standard.


5. High quality 45 # seamless steel pipe has uniform quality, high tonnage of cold shearing machine, smooth and neat end face of cutting head. However, due to the poor material of the fake seamless steel tube, the end face of the cutting head often appears flesh drop, that is, uneven phenomenon. And it has no metallic luster. And because counterfeit and inferior manufacturers have fewer heads, big ears appear on the head and tail.