Follow us:
Sekerpinar Mah. Menekse Sk. No:8 Cayirova / KOCAELI, Türkiye
COLD DRAWN TOLERANCES
Tolerance Class by the End Status EN 10278
Final Status h 6 h 7 h 8 h 9 h 10 h 11 h 12
Drawn R R R,S,H R,S,H
Turned R R R R
Ground R R R R R R R
Polished R R R R R R R
R = Round , S = Square , H = Hexagon
Tolerance Classes EN 10278
Dimension mm h 6 h 7 h 8 h 9 h 10 h 11 h 12
> 1 - ≤ 3 0.006 0.010 0.014 0.025 0.040 0.060 0.100
> 3 - ≤ 6 0.008 0.012 0.018 0.030 0.048 0.075 0.120
> 6 - ≤ 10 0.009 0.015 0.022 0.036 0.058 0.090 0.150
> 10 - ≤ 18 0.011 0.018 0.027 0.043 0.070 0.110 0.180
> 18 - ≤ 30 0.013 0.021 0.033 0.052 0.084 0.130 0.210
> 30 - ≤ 50 0.016 0.025 0.039 0.062 0.100 0.160 0.250
> 50 - ≤ 80 0.019 0.030 0.046 0.074 0.120 0.190 0.300
> 80 - ≤ 120 0.022 0.035 0.054 0.087 0.140 0.220 0.350
> 120 - ≤ 180 0.025 0.040 0.063 0.100 0.160 0.250 0.400
> 180 - ≤ 200 0.029 0.046 0.072 0.115 0.185 0.290 0.460
Tolerances for Cold Drawn Flats EN 10278
Width (mm) Deviation (mm) Class
≤ 18 + 0 - 0.11 h 11
> 18 - ≤ 30 + 0 - 0.13 h 11
>30 - ≤ 50 + 0 - 0.16 h 11
> 50 - ≤ 80 + 0 - 0.19 h 11
> 80 - ≤ 100 + 0 - 0.22 h 11
>100 - ≤ 150 + 0.50 - 0.50
> 150 - ≤ 200 + 1.00 - 1.00
> 200 - ≤ 300 + 2.00 - 2.00
> 300 - ≤ 400 + 2.50 - 2.50
Tolerances for Cold Drawn Flats EN 10278
Thickness (mm) Deviation (mm) Class
> 3 - ≤ 6 - 0.075 h 11
> 6 - ≤ 10 - 0.090 h 11
> 10 - ≤ 18 - 0.110 h 11
> 18 - ≤ 30 - 0.130 h 11
> 30 - ≤ 50 - 0.160 h 11
> 50 - ≤ 60 - 0.190 h 11
> 60 - ≤ 80 - 0.300 h 12
> 80 - ≤ 100 - 0.350 h 12
Tolerance for Deviation from Linearity EN 10278
Product Type Steel Group Nominal Dimension Maximum Deviation (mm)
Round 0.25 % C 1.0
0.25 % C, Alloy Steels, Heat Treatable Steels 1.5
Stainless Steels, Bearing Steels, Tool Steels 1.0
Square and Hexagon < 0.25 % C d < 75 mm 1.0
0.25 % C, Alloy Steels, Heat Treatable Steels 2.0
Stainless Steels, Bearing Steels, Tool Steels 1.0
< 0.25 % C 1.5
0.25 % C, Alloy Steels, Heat Treatable Steels 2.5
Stainless Steels, Bearing Steels, Tool Steels 1.5
Flats From Width
< 0.25 % C w < 120 mm 1.5
0.25 % C, Alloy Steels, Heat Treatable Steels 1.5
Stainless Steels, Bearing Steels, Tool Steels 1.5
From Thickness
< 0.25 % C w < 120 mm 1.5
0.25 % C, Alloy Steels, Heat Treatable Steels 2.0
Stainless Steels, Bearing Steels, Tool Steels 2.0
From Width
< 0.25 % C w < 120 mm 1.5
0.25 % C, Alloy Steels, Heat Treatable Steels 2.0
Stainless Steels, Bearing Steels, Tool Steels 2.0
From Thickness
< 0.25 % C w ≥ 120 mm b / t <10 : 1 2.0
0.25 % C, Alloy Steels, Heat Treatable Steels 2.5
Stainless Steels, Bearing Steels, Tool Steels 2.5
From Width
< 0.25 % C w ≥ 120 mm w / t ≥10 : 1 2.0
0.25 % C, Alloy Steels, Heat Treatable Steels 2.5
Stainless Steels, Bearing Steels, Tool Steels 2.5
From Thickness
< 0.25 % C w ≥ 120 mm w / t ≥10 : 1 2.5
0.25 % C, Alloy Steels, Heat Treatable Steels 3.0
Stainless Steels, Bearing Steels, Tool Steels 3.0
Length Types and Tolerances EN 10278
Length Type Length (mm) Length Tolerance (mm) Specification at the Time of Order
Production Length 3000 - 9000 ± 500 Length
Supply Length 3000 veya 6000 + 200 Example: Stock 6000
Trimmed Length Up to 9000 Conforms to Specification within ±5 Length and Tolerance
How can we help?