GB/T8713-1988 Hydraulic and Puematic Cylinder Precision ID Seamless Steel Tube Precision In Diameter Samless Steel Pipe For Fluid Power Cylinder as .....
DIN2391 Galvanized Steel Tube with High Precision Our major products include: cold drawn and cold rolled steel tube, high pressue fuel injection tube ...
ASTM A213 is a standard specification for seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes. The ASTM A213 .....