Flatness of stainless steel cold-rolled steel plate and strip

              The degree of flatness of rolled steel plate and rolled steel strip(GB/T 3280-2015)(unit: mm)

Nominal length Flatness error
PF.A PF.B
<=3000 <=10 <=7
>3000 <=12 <=8

①Not suitable for cold hardened steel plate and 2D products

                                                             Flatness of II rolled steel strip①(GB/T 3280—2015)

Nominal length Flatness error
PF.A PF.B
Any length <=6 <=4

①Not suitable for cold work hardened steel plates and 2D products. The flatness error of the unrolled roll-cut strip II below 0.1 mm in thickness is negotiated between the supplier and the buyer.

      Flatness of rolled steel plate under different cold hardening conditions①(GB/T 3208—2015) (unit: mm)

Nominal width Thickness Flatness error
H1/4 H1/2 H3/4、H、H2
600~<900 0.10~0.40 <=19 <=23 According to the agreement between supply and demand
>0.40~0.80 <=16 <=23
>0.80 <=13 <=19
900~<2100 <=0.40 <=26 <=29 According to the agreement between supply and demand
>0.40~0.80 <=19 <=29
>0.80 <=16 <=26

①Only applicable to austenitic and austenitic-ferritic stainless steel plates (except soft and deep drawn plates).

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