... 3.0>30~401.0,1.25,1.5, 2.0,2.5,3.0,3.5>40~501.25,1. ... 5, 2.0,2.5,3.0,3.5>50~601.5, 2.0,2.5,3.0,3.5 ... 1.0,1.25,1.5, 2.0381.5, 2.0,2.5502.0,2.5632.0,2.56~100.5,0.6,0.8 ... 8,1.0,1.25,1.5,2.0SpecificationΦ3~114mm, δ 0.2~4.5mm,L<8000mm,or according to client's demandVarietySeamlessDelivery ... 270.5~1.5Mwelded31,32,330.8~2.0Mwelded381.5~2.5Mwelded502.0~2.5Mwelded632.0~2.5MweldedGR1 GR2GR3 GR7 GR12 6~100.5 ...