Bakin karfe bututun bututun da aka welded sumul Tushen haƙuri akan Standard:
| 标准号 Ƙwarewa |
外径 (mm) OD |
壁厚 (mm) WT |
余量 Ma'auni(mm) L |
组批 Yawan Moq | |||
|
GB13296 | 6-30 | +0.15/-0.2 | 1-3 | +20% | -0% |
0-10 | OD≤76 WT≤3mm > guda 400
|
| >30-50 | ±0.3 | >3 | +22% | -0% | |||
| >50 | ±0.75% |
| |||||
|
GB/T14976 | 6-10 | ±0.15 | 1-3 | +12.5% | -10% |
0-10 | OD≤76 |
| 10-30 | ±0.2 | >3 | +10% |
| WT≤ guda 3 500 | ||
| 30-50 | ±0.3 |
Tushe akan Sakysteel | OD>351 guda 50 | ||||
| >50 | ±0.8% | Sauran guda 200 | |||||
|
ASTMA312 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 | +1.0-0.8 |
| |||||
| 203.2-457.2 | +2.4/-0.8 | ||||||
|
ASTMA213 ASME SA213 | kwamfuta25.4 | ±0.10 |
| +20% | 0% | OD<50.8 +3mm | OD≤25.4 > guda 125 |
| 25.4-38.1 | ±0.15 |
OD>50, Kauri> 5.6, Matsakaicin Kauri ±10% | OD≥50.8 > guda 50 | ||||
| 38.1-50.8 | ±0.2 | OD>50.8 +5mm |
| ||||
| 50.8-63.5 | ±0.25 | 25.4-50.8 > guda 75 | |||||
| 63.5-76.2 | ±0.3 |
|
| ||||
| 76.2-101.6 | ±0.38 | ||||||
|
ASTM A269 | <12.7 | ±0.13 |
| ±15% |
| 0-+3.2 | OD≤25.4 > guda 125 |
| 12.7-38.1 | ±0.13 | ±10% | 0-+3.2 | OD≥50.8 > guda 50 | |||
| 38.1-88.9 | ±0.25 | ±10% | 0-+4.8 | 25.4-50.8 > guda 75 | |||
| 88.9-139.7 | ±0.38 | ±10% | 0-+4.8 |
| |||
|
ASTM A789 | <12.7 | ±0.13 |
| ±15% |
| 0-+3 | OD≤25.4 > guda 125 |
| 12.7-38.1 | ±0.13 | ±10% | 0-+3 | OD≥50.8 guda 50 | |||
| 38.1-88.9 | ±0.25 | ±10% | 0-+5 | 25.4-50.8 > guda 75
| |||
| 88.9-139.7 | ±0.38 | ±10% | 0-+5 |
| |||
| 139.7-203.2 | ±0.76 | ±10% | 0-+5 |
| |||
|
ASTM A790 | 3.175-38.1 | +0.4/-0.8 |
+20% |
-12.5% |
+~+6 |
OD≤50.8mm > guda 400 | |
| 38.1-101.6 | +0.8/-0.8 | ||||||
| 101.6-203.2 | +1.6/-0.8 | 50.8-127mm > guda 200 | |||||
| 203.2-457.2 | +2.4/-0.8 | Sauran > guda 100 | |||||
Lokacin Saƙo: Nuwamba-22-2018