Rolling tolerances to BS EN 10056: Part 2: 1993 for Angles

Designation Property Range Tolerance
    mm mm
Leg length
A or B		 A≤ 50 ±1.0
50 <A≤ 100 ±2.0
100 <A≤ 150 ±3.0
150 <A≤ 200 ±4.0
200 <A +6.0
–4.0
Thickness
t		 t≤ 5 ±0.50
5 <t≤ 10 ±0.75
10 <t≤ 15 ±1.00
15 <t ±1.20
  Out of squareness
k		 A≤ 100 ±1.0
100 <A≤ 150 ±1.5
150 <A≤ 200 ±2.0
200 <A ±3.0
  Range Tolerance
Over full bar length Over any part of bar length
Leg length Deviation Leg considered Deviation
A≤ 150 0.4% L 1500 mm 6.0
150 <A≤ 200 0.2% L 2000 mm  
200 <A 0.1% L 3000 mm 3.0
Mass per unit length Kg/m t≤ 4 ±6.0%
4 <t ±4.0%
Standard Length L All +100
Alternative Standard
(by agreement)		 All +50
–50