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, phosphorus 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.

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
60×50	36	0.193	0.0076	-
60×50	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
120×108	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