Sizes (O.D. x T): From 6 x 1mm to 720 x 60mm Standards:DIN 17175 ASME SA192, SA106,SA209,SA210,SA213,SA556 ,Q/BQB 201 Sizes (O.D. x T): From 6 x 1mm to 720 x 60mm Standards: DIN 17175 ASME SA192, SA106,SA209,SA210,SA213,SA556 ,Q/BQB 201 StandardOutside DiameterWall ThicknessToleranceda (mm)S (mm) ≤130S≤2·Sn+15%,-10% 2·Sn
4·Sn±9%DIN17175>130S≤0.05da+15%,-10%Q/BQB2010.05da