Standard |
Outer Diameter (mm) |
Wall Thickness (mm) |
Length(mm) |
Size |
Permissible variation |
Size |
Permissible variation |
Size |
Permissible variation |
ASTM A312-2007
(Referenced
ASTM A 999-04) |
10.29~48.26
(1/8″~1 1/2″ Incl) |
+0.4/-0.8
(+1/64″/-1/32″) |
|
+12.5%/-12.5%
(as per astm a 999-04) |
|
+6/-0 |
48.26~114.30
(>1 1/2″~4″ Incl) |
+0.8/-0.8
(+1/32″/-1/32″) |
114.30~219.08
(>4″~8″ Incl) |
+1.6/-0.8
(+1/16″/-1/32″) |
219.08~457.20
(>8″~18″ Incl) |
+2.4/-0.8
(+3/32″/-1/32″) |
ASTM A213--2007
(Referenced ASTM A 999-04) |
<25.4
(<1″) |
+0.1/-0.11 |
O.D
≤38.1
(≤1 1/2″) |
+20/-0 |
O.D
<50.8
(<2″) |
+3/-0
(1/8″/-0) |
25~40
(1″~1 1/2″ Incl) |
+0.15/-0.15 |
40~50
(1 1/2″~2″ Excl) |
+0.2/-0.2 |
O.D
＞38.1
(＞1 1/2″) |
22%/-0 |
O.D
≥50.8
(≥2″) |
+5/-0
(+3/16″/-0) |
50~65
(2″~2 1/2″ Excl) |
+0.25/-0.25 |
65~75
(2 1/2″~3″ Excl) |
+0.3/-0.3 |
75~100
(3″~4″ Incl) |
+0.38/-0.38 |
100~200
(4″~7 1/2″ Incl) |
+0.38/-0.64 |
200~225
(7 1/2″~9″ Incl) |
+0.38/-1.14 |
ASTM A269-02 |
＜21.3
(<1/2″) |
+0.13/0.13 |
|
+15%/-15% |
L ≦7.3m
(Note:L>7.3m
L tolerance shall be increased by 1/8 in (3mm) for each 10 ft(3m) or fraction thereof over 24ft or 1/2 in(13mm) |
+3.2/0
(+1/8″/0) |
21.3~48.3
(1/2″~1 1/2″ Excl) |
+0.13/-0.13 |
|
+10%/-10%
|
+3.2/0
(+1/8″/0) |
48.3~102
(1 1/2″~3 1/2″ Excl) |
+0.25/-0.25 |
|
+4.8/0
(+3/16″/0)
|
102~168
(3 1/2″~5 1/2″) |
+0.38/-0.38 |
|
168~219）
(5 1/2″~8″ Excl) |
+0.76/-0.76 |
|
219~324
(8″~12″ Excl) |
+1.01/-1.01 |
|
324~406
(12″~14″ Excl) |
+1.26/-1.26 |
|
ASTMA511
--2004 |
＜21.3
(<1/2″) |
+0.13/0.13 |
|
+15%/-15% |
L ≦7.3m
(Note:L>7.3m
L tolerance shall be increased by 1/8 in (3mm) for each 10 ft(3m) or fraction thereof over 24ft or 1/2 in(13mm |
+3.2/0
(+1/8″/0) |
21.3~48.3
(1/2″~1 1/2″ Excl) |
+0.13/-0.13 |
|
+10%/-10%
|
+3.2/0
(+1/8″/0) |
48.3~102
(1 1/2″~3 1/2″ Excl) |
+0.25/-0.25 |
+4.8/0
(+3/16″/0)
|
102~168
(3 1/2″~5 1/2″) |
+0.38/-0.38 |
168~219）
(5 1/2″~8″ Excl) |
+0.76/-0.76 |
219~235
(8″~8 5/8″ Excl) |
+1.14/-1.14 |
235~343.1
(8 5/8″″~12 3/4″ Incl) |
+1.57/-1.57 |
JIS G3459 |
O.D<30 |
+0.3/-0.3 |
W.T<2mm |
+0.2/-0.2 |
|
|
O.D≥30 |
+1%/-1% |
W.T>2mm |
+10%/-10% |
JIS G3463--2006 |
D ＜ 40 |
+0.25/-0.25 |
D < 40mm
W.T<2mm |
+0.4/-0 |
D≤50mm
L≤7M
D≤50mm
L≥7M |
+7/-0 |
40~ 50 |
D<40mm
W.T>2mm |
+20%/-0 |
3M longer or the above tolerance 3mm bigger within 15mm |
50~ 60 |
D≥40mm
|
+22%/-0 |
D>50mm
L<7M
D>50mm
L≥7M
|
+10/-0
3M longer or the above tolerance 3mm bigger within 15mm |
60 ~ 80 |
+0.30/-0.30 |
80~ 100 |
+0.40/-0.40 |
100 ~ 120 |
+0.40/-0.60 |
120~ 160 |
+0.40/-0.80 |
160 ~ 200 |
+0.40/-1.2 |
D ≧ 20 0 |
+0.4/-1.6 |
GB/T 13296-2007 |
6~30 |
+0.15/-0.20 |
D≤38
D＞38 |
+20%/-0
+22%/-0 |
+10/-0 |
>30~ 50 |
+0.30/-0.30 |
D ＞ 50 |
±0.75% |
DIN 17456
DIN 17458 |
D2 |
±1.0% ±0.5 min |
T3 |
±10% ±0.2 min |
D ≦ 40;L ≦ 1m |
+1/-0 |
D ≦ 40;L:(1-2]m |
+2/-0 |
D ≦ 40;L:(2-3]m |
+3/-0 |
D3 |
±0.75% ±0.3 min |
D ≦ 40;L:(3-4]m |
+4/-0 |
T4 |
±7.5% ±0.15 min |
40＜D≦168 |
|
L ≦ 6m |
+5/-0 |
D4 |
±0.5% ±0.1 min |
L ＞ 6m |
+10/-0 |
D ＞ 168 |
+10/-0 |
