Stoke-on-Trent
Glasgow
Phone: 01782 289 909
Phone: 0141 551 9191
Flatness Tolerances for plates
Dimensions in mm
  Steel type L Steel type H
Nominal Thickness Measuring Length
  1000 2000 1000 2000
> 3 < 5 9 14 12 17
> 5 < 8 8 12 11 15
> 8 < 15 7 11 10 14
> 15 < 25 7 10 10 13
> 25 < 40 6 9 9 12
> 40 < 250 5 8 8 11
Pressure Vessel, Boiler Structural, High Yield and CrMo plate meet steel type L with a specified yield of < 460 N/mm².
Quenched and Tempered plate meet steel type H and has a specified yield of > 460 < 700 N/mm².