Standards-Dimension

Tolerances for Expanded Metal Cutting Length

Unless otherwise specified, Qinghe’ standard shearing tolerance is +/- 3.2 mm

Tolerances for Expanded Metal Sheet/Coil Widths

Sheet ThicknessWidthsTolerances
16 gauge and heavierUp to and including 1525 mm.12.7 mm
Between 1525 and 1825 mm.19.0 mm
Over 1825 mm25.4 mm
17 gauge and lighterUp to and including 915 mm.12.7 mm
Between 915 and 1525 mm.19.0 mm
Over 1525 mm.25.4 mm

Length Tolerance

-0.10m for length

Panel Size Tolerance

-Panel size(mm) x 0.5%

SWD & LWD Tolerance: 

 ±0.05 mm (for SWD&LWD below 2.5 mm)

 ±0.10 mm (for SWD&LWD above 2.5 mm to 5.0 mm)

 ±0.25 mm (for SWD&LWD above 5.0 mm to 12.7 mm)

±0.50 mm (for SWD&LWD above 12.7 mm to 50.0 mm)

 ±1.27 mm (for SWD&LWD above 50.0 mm to 127.0 mm)

 ±2.0 mm (for SWD&LWD above 12.7 mm)

Strand Tolerance:

  ±0.05 mm (for strand below 2.5 mm)

 ±0.12 mm (for strand below 2.5 mm to 5.0 mm)

 ±2.54 (for strand below 5.0mm to 12.7 mm)

Expanded Metal Sheets Squareness Tolerances

Unless otherwise specified, Qinghe’ standard squareness tolerance is +/- 1/8 inch per 2 Feet x 2 Feet (0.61M x 0.61M) length. 

Expanded Metal Thickness Tolerances

Gauge No.Plain Carbon SteelStainless SteelAluminum
DecimalToleranceDecimalToleranceDecimalTolerance
mmmmmmmmmmmm
300.30480.35560.3175N/A0.2540N/A
0.2540
280.37850.43180.39620.42160.3048N/A
0.33020.3454
260.45720.50800.45210.49020.40640.4445
0.40640.41400.3683
240.60710.68580.59690.63120.50800.5588
0.53340.53250.4572
220.75950.83820.74420.79500.63500.6858
0.68580.69340.5842
200.91190.99060.90170.95250.81280.8636
0.83820.84090.7620
181.21411.32081.21921.29541.01601.0795
1.11761.12300.9525
161.51891.65101.51131.58611.27001.3462
1.39701.41351.1938
141.89742.07521.98372.08531.60021.6764
1.71961.88211.5240
122.65682.91082.77882.90582.03202.1209
2.40282.65181.9431
113.03783.29183.17503.30202.28602.3749
2.78383.04802.1971
103.41633.43153.57123.72362.54002.6416
3.35243.41882.5298
84.17584.35174.19104.36883.17503.2893
4.05784.01323.0607
3/16 Inch4.76255.2070N/AN/AN/AN/A
4.5212
1/4 Inch6.35006.8580N/AN/AN/AN/A
6.0960
5/16 Inch7.93758.4582N/AN/AN/AN/A
7.6962
3/8 Inch9.525010.1092N/AN/AN/AN/A
9.2710

Expanding the Metal and our Limits

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