ASTM A234 WPB & WPC paipa fa'apipi'i e aofia ai tulilima, tee, fa'aitiitiga
Fuafuaga vaila'au o le ASTM A234 WPB & WPC
| Elemene | mataupu, % | |
| ASTM A234 WPB | ASTM A234 WPC | |
| kaponi [C] | ≤0.30 | ≤0.35 |
| Manganese [Mn] | 0.29-1.06 | 0.29-1.06 |
| Phosphorus [P] | ≤0.050 | ≤0.050 |
| Sulfur [S] | ≤0.058 | ≤0.058 |
| Silicon [Si] | ≥0.10 | ≥0.10 |
| Chromium [Cr] | ≤0.40 | ≤0.40 |
| Molybdenum [Mo] | ≤0.15 | ≤0.15 |
| Nikeli [Ni] | ≤0.40 | ≤0.40 |
| Kopa [Cu] | ≤0.40 | ≤0.40 |
| Vanadium [V] | ≤0.08 | ≤0.08 |
*O le Carbon Tutusa [CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15] e lē sili atu i le 0.50 ma e tatau ona lipotia i luga o le NAF.
Meatotino Fa'ainisinia o le ASTM A234 WPB & WPC
| ASTM A234 Vasega | Malosi Tetele, min. | Malosi, min. | Elongation%, min | |||
| ksi | MPa | ksi | MPa | Faaumiumi | Fa'asagatau | |
| WPB | 60 | 415 | 35 | 240 | 22 | 14 |
| WPC | 70 | 485 | 40 | 275 | 22 | 14 |
*1.O paipa WPB ma le WPC e gaosia mai ipu e tatau ona i ai le fa'aumiumi maualalo ole 17%.
*2.Se'i vagana ua mana'omia, e le mana'omia le fa'ailoaina o le tau o le ma'a'a.
Gaosimea
Ole ASTM A234 kaponi paipa paipa e mafai ona faia mai paipa e leai se mea, paipa uelo poʻo papatusi e ala i le faʻaogaina o gaioiga o le oomi, tuʻia, extruding, punou, faʻafefiloi, masini, poʻo le tuʻufaʻatasia o nei gaioiga e lua pe sili atu.O uelo uma e aofia ai uelo i oloa tubular lea e fai ai mea fa'apipi'i e tatau ona faia e tusa ai ma le ASME Vaega IX.Faʻataʻitaʻiina o le vevela i le 1100 i le 1250 ° F [595 i le 675 ° C] ma le suʻega leitio e tatau ona faia pe a maeʻa le faʻagasologa.