DIMENSION & TOLERANCES FOR COPPER & COPPER ALLOY RODS AND BAR FOR GENERAL ENGINEERING PURPOSES AS PER IS 2826 - 1996
All dimensions are in millimeters
For Round Rods & Bars
| - | Diameter | Normal Tolerance | Close Tolerance | | Over | Upto & Including | | | | 6 | 10 | +0.05 | -0.05 | | 10 | 20 | +0.10 | -0.05 | | 20 | 30 | +0.15 | -0.08 | | 30 | 50 | +0.20 | -0.10 | | 50 | 70 | +0.75 Percent | +0.75 Percent | | 70 | 100 | +1.5 Percent | +1.75 Percent | | 100 | - | +2.5 Percent | +1.5 Percent | | All dimensions are in millimeters For Hexagonal Rods & Bars | | | | | - | Width Across Flats | Normal Tolerance | Close Tolerance | | Over | Upto & Including | | | | 6 | 10 | -0.10 | -0.08 | | 10 | 20 | -0.20 | -0.10 | | 20 | 30 | -0.25 | -0.13 | | 30 | 40 | -0.30 | -0.15 | | 40 | 50 | -0.40 | -0.20 | | 50 | 70 | -0.50 | -0.25 | | 70 | 100 | -2.0 Percent | -1.5 Percent | | 100 | - | -3.0 Percent | -2.0 Percent | | All dimensions are in millimeters For Square Rods & Bars | | | | | - | Width Across Flats | Normal Tolerance | Close Tolerance | | Over | Upto & Including | | | | 6 | 10 | +0.09 | -0.05 | | 10 | 20 | +0.13 | -0.10 | | 20 | 30 | +0.18 | -0.13 | | 30 | 40 | +0.23 | -0.15 | | 40 | 50 | +1.0 Percent | +0.75 Percent | | 50 | 70 | +1.5 Percent | +1.0 Percent | | 70 | 100 | +2.0 Percent | +1.5 Percent | | 100 | | +3.0 Percent | +2.0 Percent | | | | |
All dimensions are in millimeters For Rectangle Rods & Bars
| - | Width Across Flats | Tolerance | On Thickness | On Thickness over 12 | On Thickness over 20 | On Thickness over 40 | | Over | Upto & Including | on width | upto including 12 | upto including 20 | upto including 40 | upto including 100 | | 6 | 10 | +0.15 | +0.10 | - | - | - | | 10 | 20 | +0.20 | +0.15 | +0.20 | - | - | | 20 | 40 | +0.25 | +0.20 | +0.25 | +0.25 | - | | 40 | 50 | +1.0 Percent | +0.20 | +0.25 | +0.30 | +0.40 | | 50 | 70 | +1.0 Percent | +0.40 | +0.45 | +0.50 | +0.50 | | 70 | 100 | +2.0 Percent | +0.50 | +0.60 | +0.80 | +0.80 | | 100 | - | +2.5 Percent | +0.60 | +0.75 | +1.00 | +1.00 |
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