Allowable deviation of thickness of stainless steel plate and steel strip for pressure equipment(1)

Allowable deviation of thickness of stainless steel hot-rolled thick steel plate for pressure equipment (GB 24511 – 2009)

Nominal thickness① Nominal width
<=1000 >1000~1500 >1500~2500 >2500
Ordinary precision Higher precision Ordinary precision Higher precision Ordinary precision Higher precision
Negative thickness deviation is -0.30
5.0~8.0 0.38 0.35 0.40 0.36 0.50 0.45 0.80
>8.0~15.0 0.45 0.42 0.48 0.44 0.60 0.55
>15.0~25.0 0.50 0.45 0.53 0.48 0.65 0.60 1.00
>25.0~40.0 0.65 0.60 0.70 0.65 0.85 0.80
>40.0~60.0 0.90 0.85 0.95 0.90 1.10 1.05 1.50
>60.0~80.0 0.90 0.85 0.95 0.90 1.40 1.35

①The thickness tolerance of the nominal thickness >80~100mm is negotiated by both the supplier and the buyer.

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