Product News
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Analysis on the weld defects on the low carbon steel pipeline
Encountered hole problems are very common in the welding process, welding materials drying, corrosion of the base metal and welding consumables, welding process is not stable enough oil and impurities and to protect the poor will be varying degrees of blowholes. Classification of weld porosity, t...Read more -
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 -
Carbon steel pipes for cooling
Carbon steel pipe cooling method varies with the material. For most kinds of steel use natural cooling to meet the requirements. for certain special purpose steel pipe, in order to ensure the requirements of the organization of the state and physical and mechanical properties for certain special ...Read more