Jul-24-2018
BBN steel is leading GB/T 11251 40Cr alloy steel plates supplier and exporter on International market. 40Cr steel is one of the most widely used steels in the
m
Jul-20-2018
The annealing process of GB/T 8163 20# seamless steel tube: the 20# steel tube intercepted forged steel parts are heated to 30 - 50℃ above the critical temp
Jul-19-2018
The high quality of GB/T3087 10# seamless steel pipe is mainly expressed in dimension precision and surface finish. Even after heat treatment, there will be n
Jul-19-2018
Chemical composition of GBT 8162 10# seamless steel pipe: carbon C:0.07~0.14, Silicon Si:0.17 ~ 0.37, manganese Mn:0.35 ~ 0.65, sulfur S: less than 0.04, phos
Jul-17-2018
The API 5L specification requires API 5L X70 PSL1 steel pipe manufacturer's license and maintains a comprehensive index of approved manufacturers.This means t
Jul-16-2018
The tidy and clean surface is a requirement for the selection of DIN17175 15Mo3 seamless steel pipe. In recent years, many companies have paid attention to it
Jul-13-2018
The production process of straight seam API 5L X60 PSL1 welded steel pipe is relatively simple. The main production processes include high frequency welded st
Jul-12-2018
API 5L X56 PSL1 steel pipe shall be submitted for acceptance in batches, and the group approval rules shall comply with the relevant product standard API.API
Jul-11-2018
API 5L generally refers to the implementation standards of pipeline steel pipe. API 5L X52 pipe is used to deliver oil, steam, water, etc. to oil and gas indu
Jul-10-2018
The American petroleum institute API specifies different specifications for the pipeline steel. The two pipe specifications under API 5L X42 are API 5L X42 PS
Jul-09-2018
With the rapid development of continuous rolling of high quality steel strip, the progress of welding and inspection technology, the continuous improvement of
Jul-05-2018
There are many defects in the welding process of EN10297-1 34CrMo4 alloy tube, such as inclusion, bubble, burning, and so on. Only a standard welding process
Jul-03-2018
The production process of EN10297-1 E355 seamless pipe is mainly accomplished by stretch reducing. The stretch reducing process is a continuous rolling proces
Jul-03-2018
This week, China's EN10297-1 C45E seamless steel pipe market has a strong demand, and the quotations of economic and trade partners have been raised as a whol
Jul-02-2018
The DIN17175 ST45.8 steel pipe users are usually particular about quality. However, there are also a lot of shoddy DIN17175 ST45.8 steel pipe on the market. S
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