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                    Size Deviation Table


                    Size Deviation Table 
                    thickness of wall ( mm ) length ( mm )
                    Standard O.D.( mm) W.T.( mm ) length ( mm )
                    Size Pemissible Variation Size Pemissible Variation size Allowance deviation
                    ASTM A312 (10.29, 48.26) +0.40/-0.80   ±12.5%   +6/-0
                    (48.26, 114.30) +0.80/-0.80
                    (114.30, 219.08) +1.60/-0.80
                    (219.08, 457.20) +2.40/-0.80
                    ASTM A213 D<25.4 +0.10/-0.10 D ≤ 38.1 +20%/-0 D>50.80 +3/-0
                    [25.4, 38.1] +0.15/-0.15
                    [38.1, 50.8] +0.20/-0.20 D>38.1 +22%/-0 D ≥ 50.8 +5/-0
                    [50.8,63.5] +0.25/-0.25
                    [63.5,76.2] +0.30/-0.30
                    [76.2,101.6] +0.38/-0.38
                    [101.6,190.5] +0.38/-0.64
                    [190.5,228.6] +0.38/-1.14
                    ASTM A269 D<12.7 +0.13/-0.13   ± 15%   +3.2/-0
                    (12.7, 38.1) ± 10%
                    (38.1, 88.9) +0.25/-0.25 +4.8/-0
                    (88.9, 139.7) +0.38/-0.38
                    (139.7, 203.2) +0.76/-0.76
                    JIS G3459 D<30 +0.30/-0.30 S<2 ± 20    
                    D ≥ 30 ± 1% S ≥ 2 ± 10%
                    JIS G3463 D<40 +0.25/-0.25 D<40;S<2 +0.40/-0 D ≤ 50; L≤7 +7/-0
                    (40, 50) D<50;L>7 1.3m longeror the above Tolerance 3mm bigger,within 15mm
                    (50, 60)
                    (60, 80) +0.30/-0.30 D<40;S ≥ 2 +20%/-0
                    (80, 100) +0.40/-0.40
                    [100,120) +0.40/-0.60 D>50;L ≤ 7 +10/-0
                    [120,160) +0.40/-0.60 D ≥ 40 +22%/-0 D>50;L>7 The same as D<50;L ≥ 7m
                    [160,200) +0.40/-0.60
                    D ≥ 200 +0.40/-1.60
                    DIN17456
                    DIN17458
                    D2 ± 10%±0.5min
                    T3
                    ____________________
                    T4
                    ± 10%/0.2min
                     
                    ±7.5%/0.15miN
                    D ≤ 40;L≤1m
                    D≤40; L;(1-2)m
                    D≤40; L;(2-3)m
                    D≤40; L;(3-4)m
                    D≤40;L;(4-8)m
                    +1/-0
                    +2/-0
                    +3/-0
                    +4/-0
                    +5/-0
                    D3 ± 0.75%±0.3min
                    D4 ± 0.5%±0.1min  
                    L ≤ 6m +5/-0
                    L>6m +10/-0
                    ASTM A511 TABALE3 D<12.7 +0.13/-0.13   ± 15%   +3.2/-0
                    [12.7,38.1) ± 10% +4.8/-0
                    [38.1,88.9) +0.25/-0.25
                    [88.9,139.7) +0.38/-0.38
                    [139.7,203.2) +0.76/-0.76
                    [203.2,219.8) +1.14/-1.14
                    [219.8,323.85) +1.57/-1.57
                    ASTM A511 TABALE4 D ≤ 76.2 +0.56/-0.58 S ≤ 2.77 ± 16.5%   +4.76/-0
                    D ≤ 76.2 0.56/-0.58 S ≤ 2.77 ± 16.5%  
                    2.77 ± 15%
                    4.37 ± 14%
                    S>5.16 ± 12.5%
                    (76.2,139.7] +0.79/-0.79 S ≤ 2.77 ± 16.5%  
                    2.77 S 4.37 ± 15%
                    4.37 ± 14%
                    S>5.16 ± 12.5%
                    (139.7,203.2] +1.19/-1.19 4.37 ± 14%  
                    S>5.16 ± 12.5%

                    Last : Sts Coils And Sheet Thickness Tolerance

                    Next : Chemical Composition

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