Rolling tolerances to BS EN 10034: 1993 for Universal shapes

Designation Property Range Tolerance
    mm mm
  Height h
(measured at centre of web)		 h≤ 180 +3.0 –2.0
180 <h≤ 400 +4.0 –2.0
400 <h≤ 700 +5.0 –3.0
700 <h +5.0 –5.0
Flange width b b≤ 110 +4.0 –1.0
110 <b≤ 210 +4.0 –2.0
210 <b≤ 325 +4.0 –4.0
325 <b +6.0 –5.0
Web thickness s
(measured at mid height)		 s< 7 ±0.7
7 ≤s< 10 ±1.0
10 ≤s< 20 ±1.5
20 ≤s< 40 ±2.0
40 ≤s< 60 ±2.5
60 ≤s ±3.0
Flange thickness t
(measured at b /4)		 t< 6.5 +1.5 –0.5
6.5 ≤t< 10 +2.0 –1.0
10 ≤t< 20 +2.5 –1.5
20 ≤t< 30 +2.5 –2.0
30 ≤t< 40 +2.5 –2.5
40 ≤t< 60 +3.0 –3.0
60 ≤t +4.0 –4.0
    Out of squareness
of flanges k + k'		 b≤ 110 1.5
110 <b 2% of b
(max 6.5 mm)
  Web off centre where:
e = ( b1 - b2 ) / 2		 t < 40 b ≤ 110 2.5
110 < b ≤ 325 3.5
t ≥ 40 110 < b ≤ 325 5.0
325 < b 8.0
  Straightness
(x or y direction)		 80 <h≤ 180 0.30% L
180 <h≤ 360 0.15% L
360 <h 0.10% L
Mass per unit length Mass of section   4
Length Length L Standard –50 +50
If min length 0 +100