Brass is an alloy of copper and zinc. It has much better abrasion resistance, better corrosion resistance and lower electrical conductivity as compared with copper. Phosphor bronze is an alloy of tin, phosphorous and copper; it is corrosion, wear and tear resistant, but it is not suitable for exposure to hydrochloric acid or strong oxidizing agents. Brass and phosphor bronze are frequently used in sieving diversified pellet, powder, porcelain clay and glass, chinaware printing, filtering liquid and gas. We are capable of supplying brass wire mesh from 1-200mesh, and phosphor bronze wire mesh from 1-500mesh. The following specifications are listed for your reference: Mesh Wire Dia. Opening(mm) SWG mm inch 6 22 0.711 0.028 3.522 8 23 0.610 0.024 2.565 10 25 0.508 0.020 2.032 12 26 0.457 0.018 1.660 14 27 0.417 0.016 1.397 16 29 0.345 0.014 1.243 18 30 0.315 0.012 1.096 20 30 0.315 0.0124 0.955 22 30 0.315 0.0124 0.840 24 30 0.315 0.0124 0.743 26 31 0.295 0.0116 0.682 28 31 0.295 0.0116 0.612 30 32 0.247 0.011 0.573 32 33 0.254 0.010 0.540 34 34 0.234 0.0092 0.513 36 34 0.234 0.0092 0.472 38 35 0.213 0.0084 0.455 40 36 0.193 0.0076 0.442 42 36 0.193 0.0076 0.412 44 37 0.173 0.0068 0.404 46 37 0.173 0.0068 0.379 48 37 0.173 0.0068 0.356 50 37 0.173 0.0068 0.335 60?0 36 0.193 0.0076 - 60?0 37 0.173 0.0068 - 60 37 0.173 0.0068 0.250 70 39 0.132 0.0052 0.231 80 40 0.122 0.0048 0.196 90 41 0.112 0.0044 0.170 100 42 0.012 0.004 0.152 120?08 43 0.091 0.0036 - 120 44 0.081 0.0032 0.131 140 46 0.061 0.0024 0.120 150 46 0.061 0.0024 0.108 160 46 0.061 0.0024 0.098 180 47 0.051 0.002 0.090 200 47 0.051 0.002 0.076