Grade TA1 TA2 TC4 TA9-1 TA18 Gr1 Gr2 GR5 Gr7 GR 9 Gr11 Gr12 size OD. 6mm~13mm Max Length 4m OD.13mm~114.3mm, Max Length 15m WT.0.3mm~12mm Standard GB/T3624 GB/T3625 ASTM B337 B338 B861 B862 ASME SB338 ASME SB337 ASME SB861 SB862 Dimension (MM) Size Range: 10-168 x0.5-10x 100-18000 MM 5/8"xBWG20*L Application heat exchanger and Condenser; U Type coil pipe ; Petroleum pipeline ; Sea farming; Evaporator; Fluid Transportation Piping etc. Inspection Equipment 100% Nondestructive Tester; UT Testing Detector; Tensile Tester Digital Ultrasonic Detector; Infrared Tester; HV Hardness Tester