Xi'an Linkun Materials Co.,Ltd is one of the leading China astm a210 boiler tube manufacturers and suppliers,Website: , if you want to buy or import best high-quality astm a210 boiler tube, astm a210 carbon steel tube, astm a210 seamless steel tube, astm a210 gra-1 boiler tube, astm a210 grc boiler tube, a210 grcsteel tube professional company, factory, seller, and exporter, or if you are checking astm a210 boiler tube brands, please feel free to contact us. ASTM A210 seamless steel boiler tubes 1)Size: OD 1/2in-5in(12.7-127mm),Wall thickness: 0.035in-0.500in(0.9-12.7mm)