| Standard |
ASTM |
| Grade |
A53-A369 |
| Place of Origin |
Shanghai China (Mainland) |
steel tubing ( pipe , welded tubes ) Shanghai Kemi Steel Tube Co., Ltd is an exporter and important manufactory specialized in stainless steel pipes online annealing solid solution and heat treatment processing for many years in China.1 ) Grades: 304 / 304L / 316 / 316L / 310S / 317 / 321 etc.