bwg77

0. usg 4d usia 20 minggu 178 35 0 005 0 127 36 0 004 0 102 For heat exchanger tube, BWG Gauge is commonly used to define wall thickness, for example, BWG 16 indicates 1 65 mm wall thickness of tube, the outside diameter of heat-exchanger tubes is the actual outside diameter in inches or millimeters BWG Gauge Chart for Tube Wall thickness