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%

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