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Manufacturer of Brass Extrusions Rods Ingots Brass Billets Brass Hex Extruded Rods Extrusions Profile & Sections Copper Alloys Extrusions

Dimension & Tolerances

DIMENSION AND TOLERANCES FOR COPPER & COPPER ALLOY RODS AND BARS 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% ± 0.5 %
70 100 ± 1.5% ± 1.75 %
100 - ± 2.5 % ± 1.5 %
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 50 ± 0.23 - 0.15
40 70 ± 1.0% ± 0.75 %
70 100 ± 2.0% ± 1.5 %
100 - ± 3.0% ± 2.0 %
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 % - 1.5 %
100   - 3.0% - 2.0 %
For Rectangular Rods & Bars
Width Across Flats Tolerance
on width
On Thickness
upto &
including 12
On Thickness
over 12 upto
including 20
On Thickness
over 20 upto
including 40
On Thickness
over 40 upto
including 100
Over Upto & Including
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 % ± 0.20 ± 0.25 ± 0.30 ± 0.40
50 70 ± 1.0 % ± 0.40 ± 0.45 ± 0.50 ± 0.50
70 100 ± 2.0 % ± 0.50 ± 0.60 ± 0.80 ± 0.80
100 - ± 2.5 % ± 0.60 ± 0.75 ± 1.00 ± 1.00