GB/T 16270 Q620 High Strength Plate
We are a trusted and reliable brand for our high quality and good manufacturing of GB/T 16270 Q500, Q550, Q620, Q690, Q890, Q960 High Strength Plate. Our company has been a manufacturer and exporter o...
GB/T 16270 Q550 High Strength Plate
We are specialized in supplying GB/T 16270 Q500, Q550, Q620, Q690, Q890, Q960 High Strength Plate. If you have any need of GB/T 16270 Q500, Q550, Q620, Q690, Q890 or Q960, please do not hesitate to co...
GB/T 16270 Q500 High Strength Plate
GB/T 16270 Q500 is low-alloy high-strength structural steel. It has C, D, E three levels that respectively named Q500C, Q500D, Q500E. Q500 steels are correspond with foreign steel HS490-D....
