| Spcification | Outside Diameter (mm) |
Wall Thickness (mm) |
Length (mm) |
Quantity of Batch |
|||
| GB13296 | 6~30 | ±0.15/-0.2 | 1~3 | +20% | -0% | +10 | O.D≤76 and W.T.≤3mm: 400 pieces Others: 200 pieces |
| ＞30~50 | ±0.3 | ＞3 | +22% | -0% | |||
| ＞50 | ±0.75% | Negotiable | |||||
| GB/T14976 | 6~10 | ±0.15 | 1~3 | +12.5% | -10% | +10 | O.D≤76 |
| 10~30 | ±0.2 | ＞3 | +10% | W.T≤3: 500 pieces | |||
| 30~50 | ±0.3 | O.D＞351: 50 pieces | |||||
| ＞50 | ±0.8% | Others: 200 pieces | |||||
| ASTM A312 ASME SA312 |
3.175~38.1 | +0.4/-0.8 | +6 | ||||
| 38.1~101.6 | +0.8/-0.8 | +20% | -12.5% | ||||
| 101.6~203.2 | +1.6/-0.8 | ||||||
| 203.2~457.2 | +2.4/-0.8 | ||||||
| ASTM A213 ASME SA213 |
≤25.4 | ±0.10 | +20% | 0% | O.D.＜50.8， +3mm |
OD≤25.4, 125 pieces | |
| 25.4~38.1 | ±0.15 | O.D.＞50， W.T.＞5.6， W.T. ±10% |
O.D≥50.8: 50 pieces | ||||
| 38.1~50.8 | ±0.2 | O.D.≥50.8， +5mm |
|||||
| 50.8~63.5 | ±0.25 | 25.4~50.8: 75 pieces | |||||
| 63.5~76.2 | ±0.3 | Negotiable | |||||
| 76.2~101.6 | ±0.38 | ||||||
| ASTM A269 | ＜12.7 | ±0.13 | ±15% | +3.2 | O.D≤25.4: 125 pieces | ||
| 12.7~38.1 | ±0.13 | ±10% | +3.2 | O.D≥50.8: 50 pieces | |||
| 38.1~88.9 | ±0.25 | ±10% | +4.8 | 25.4~50.8: 75 pieces | |||
| 88.9~139.7 | ±0.38 | ±10% | +4.8 | ||||
| ASTM A789 | ＜12.7 | ±0.13 | ±15% | +3 | O.D≤25.4: 125 pieces | ||
| 12.7~38.1 | ±0.13 | ±10% | +3 | O.D≥50.8: 50 pieces | |||
| 38.1~88.9 | ±0.25 | ±10% | +5 | 25.4~50.8: 75 pieces | |||
| 88.9~139.7 | ±0.38 | ±10% | +5 | ||||
| 139.7~203.2 | ±0.76 | ±10% | +5 | ||||
| ASTM A790 | 3.175~38.1 | +0.4/-0.8 | +20% | -12.5% | +6 | O.D≤50.8: 400 pieces | |
| 38.1~101.6 | +0.8/-0.8 | ||||||
| 101.6~203.2 | +1.6/-0.8 | 50.8~127: 200 pieces | |||||
| 203.2~457.2 | +2.4/-0.8 | Qthers: 100 pieces | |||||
