News
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Difference between HFW and DSAW
The difference between double submerged arc welding(dsaw) and high frequency difference(hfw) is mainly manifested in the appearance of the weld appearance, Double submerged arc welding steel pipe in appearance is with a slight indentation strip, mainly in steel interior. Straight seam submerged a...Read more -
Carbon steel defect
Carbon steel defect is caused by the equipment, processes and operations in carbon steel smelting and rolling (forging) process, including scarring, cracks, residual shrinkage, layered, white point, segregation, non-metallic inclusions, such as osteoporosis and banded. Scarring No scarring and th...Read more -
Belt And Road impact on steel industry
Shinestar Steel Research Institute believes that China’s era of rapid economic growth has gone for ever, which makes the steel industry has experienced the middle adjustment pains low growth in the past five years, and future growth continued to slow down will become an indisputable fact.Th...Read more -
API Seamless Pipe
API standards – a abbreviation of API American Petroleum Institute, API standards are mainly required equipment performance, sometimes including the design and process specifications. API seamless pipe is a hollow cross section, no seams round, square, rectangular steel. Seamless steel ingo...Read more -
Energy Saving and Environmental Protection
Energy conservation and environmental protection is important in development. International invasion of industrial steel industry introduction huge capital, Shinestar holdings group will take action to support this politic by produce more spiral pipe, helical steel pipe, 3pe antiseptic spiral pip...Read more -
Different Kinds of API Steel Pipe
API mild steel pipe is widely used in lots of industries. However, a lot of customers still don’t know how many kinds of API steel pipe are there on the market. Don’t worry about that. Here are the details. API line steel pipe API line steel pipe is the line pipe that meets the Americ...Read more