... :DIN 17175 ASME SA192, SA106,SA209,SA210,SA213,SA556 ,Q/BQB 201 Sizes (O.D. x T): From 6 ... : DIN 17175 ASME SA192, SA106,SA209,SA210,SA213,SA556 ,Q/BQB 201 StandardOutside DiameterWall ThicknessToleranceda (mm)S (mm) ≤130S ... S>4·Sn±9%DIN17175>130S≤0.05da+15%,-10%Q/BQB2010.05da0 ... +23%,-0%ASME SA530----±12.5% StandardOutside Diameter(mmToleranceDIN17175 Q/BQB201≤100±0.75% (min=0.5mm)>100±0 ...