Tolerances on plates (thickness, width, length)

 

 

Tolerances on thickness of steel plates
                                              Tolerance over and under nominal thickness t (mm)
Width w (mm) 2.5<t <4.5 4.5<t <6.0 6.0<t <8.0 8.0<t <10.0 10.0<t <12.5 12.5<t <16.0 16.0<t <20.0  20.0<t <25.0 25.0<t <30.0 30<t <40.0
w < 1200 0.20  0.23 0.30 0.32 0.35 0.80 0.80 0.80 1.0 1.4
1200< w <1500 0.20 0.25 0.30 0.35 0.38 0.80 0.80 0.90 1.0 1.4
1500< w <1800 0.20 0.28 0.32 0.38 0.40 0.80 0.80 0.90 1.1 1.5
1800< w <2100 0.20     0.30      0.36     0.40     0.45      0.80      0.80      0.90      1.1         1.5        
2100< w <2400   0.80 0.80 0.80 0.80 0.80 0.90 1.0 1.1 1.5
2400< w <2700   0.80 0.80 0.80 0.80 0.90 1.0 1.1 1.3 1.7
2700< w <3000   0.80 0.90 1.0 1.0 1.0 1.1 1.3 1.4 1.8

Note: Highlighted red area refers to plates produced in their flat form, for which the listed tolerances are only the over thickness tolerance; the permissible under thickness is 0.3 mm for all dimensions. 

Tolerances on length of plates
                                                                                                     Tolerance(mm)                                 
Nominal length (mm)                                         Minus Plus
L < 2,000 0                                                   10                                                     
2,000 < L < 8,000 0 0.005 times L
L > 8,000 0 40

 

Tolerances on width of plates
                                                                                                 Tolerance (mm)
  Trimmed edge                                                Mill edge                                              
Nominal width (mm) Minus Plus Minus Plus
w < 1200 0 3 0 20
1200 < w < 1500 0 5 0 20
w > 1500 0 5 0 20