Metalex is the proud manufacturer of a wide range of perforated metal products. As an industry leader in stainless steel and metal production, our product lines are used in a diversity of applications and industries. Metalex perforated metal is used by numerous companies, from those in the construction and pharmaceutical industries to filtration, as well as a host of others, including:

  • Acoustical Enclosures
  • Architecture
  • Filtration
  • Electronic Enclosures
  • Speaker Grilles
  • Home Appliances
  • HVAC
  • Grain Dryers
  • Farm Equipment
  • Lighting Fixtures
  • Store Displays and Fixtures

As a manufacturer of custom perforated metal solutions, Metalex is capable of fabricating perforated products from a large array of materials. Perforated products offered by Metalex are available in such diverse materials as:

  • Stainless Steel
  • Galvanized Steel
  • Brass
  • Tinplate
  • Aluminum
  • Cold Rolled Steel
  • Monel®
  • Inconel®
  • Copper
  • Titanium
  • Most Formable Metals
  • Certain Composites
  • Wide Variety of Plastics

At Metalex, we pride ourselves in being able to anticipate and respond to the rapidly evolving needs of our clients by providing them with a robust and comprehensive product offering. To give our clients the most options possible, we offer industry standard patterns and sheet sizes, as well as advanced capabilities.

Contact your Metalex representative today with any questions about the technical aspects of expanded metal.

Standard Perforated Patterns

Perforation Open Area (%) H.P.S.I. IPA # PDF Drawing
.020 x .043 REV 20% 624.5 100
.026 x .040 STG 38% 721.7
.029 x .109 REV 6% 97.2
.033 x .055 STR 28% 330.6 103
.034 x .250 REV 2% 18.5
.040 x .059 STG 42% 331.7
.040 x .063 STR 32% 252.0
.040 x .066 STR 29% 229.6 104
.040 x .088 STG 19% 149.1
.045 x .066 STR 37% 229.6 105
.045 x .088 STG 24% 149.1
.050 x .141 REV 11% 58.1 P302
.050 x .188 STG REV 6% 32.7
.052 x . 437 DIAG 1% 5.2
.062 x .093 STG 40% 133.5
.063 x .094 STG 41% 130.7
.063 x .125 STG 23% 73.9 106
.066 x .093 STG 46% 133.5 P312
.066 x .125 STG 25% 73.9 106 P305
.075 x .100 STG 51% 115.5 P303
.078 x .109 STG 46% 97.2 107
.078 x .125 STG 35% 73.9 108 P307
.078 x .250 STG 9% 18.5
.079 x .098 STG 59% 120.2
.093 x .156 STG 32% 47.4 109
.093 x .188 DIAG 19% 28.3
.093 x .188 REV 22% 32.7
.093 x .188 STG 22% 32.7 110 P304
.093 x .250 REV 13% 18.5 P301
.094 x .156 REV 33% 47.4 110 P315
.094 x .250 STG 13% 18.5 111
.109 x .188 STG 30% 32.7
.125 x .188 STG 40% 32.7 113
.125 x .218 STG 30% 24.3 114
.125 x .250 DIAG 20% 16.0
.125 x .250 REV 23% 18.5
.125 x .250 STG 23% 18.5 115 P210
.125 x .250 STR 20% 16.0
.125 x .500 STG 6% 4.6
.127 x .188 STG 41% 32.7 113 P300
.127 x .218 STG 31% 24.3 114 P306
.127 x .250 STG 23% 18.5 115 P308
.156 x .188 STG 62% 32.7
.156 x .218 STG 47% 24.3 116
.156 x .250 REV 35% 18.5
.156 x .312 STR 20% 10.3
.157 x .188 STG 63% 32.7 P311
.157 x .218 STG 47% 24.3 116 P313
.157 x .250 STG 36% 18.5 117 P316
.187 x .250 REV 51% 18.5
.187 x .250 STG 51% 18.5 118
.187 x .312 STG 33% 11.9 119
.187 x .437 REV 17% 6.0
.188 x .250 STG 51% 18.5 118 P212c
.188 x .312 STG 33% 11.9 119
.188 x .375 REV 23% 8.2
.188 x .375 STG 23% 8.2
.191 x .296 STG 38% 13.2
.191 x .312 STG 34% 11.9
.191 x .375 STG 24 8.2
.250 x .312 STG 58% 11.9 120 P314
.250 x .375 STG 40% 8.2 121 P310
.250 X .375 STG REV 40% 8.2
.250 x .438 STG 30% 6.0 122 P328
.250 x .500 STG 223% 4.6 123
.312 x .437 STG 46% 6.0
.375 x .191 STG 51% 4.6
.375 x .563 STG 40% 3.6 125 P317
.375 x .625 STG 33% 3.0 126
.500 x .688 STG 48% 2.4 128 P309
.625 x .875 STG 46% 1.5 P316