Kayan aikin bututun ASTM A234 WPB & WPC gami da gwiwar hannu, tee, da masu rage zafi
Sinadarin Sinadarin ASTM A234 WPB & WPC
| Sinadarin | Abun ciki, % | |
| ASTM A234 WPB | ASTM A234 WPC | |
| Carbon [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 |
| Silikon [Si] | ≥0.10 | ≥0.10 |
| Chromium [Cr] | ≤0.40 | ≤0.40 |
| Molybdenum [Mo] | ≤0.15 | ≤0.15 |
| Nickel [Ni] | ≤0.40 | ≤0.40 |
| Tagulla [Cu] | ≤0.40 | ≤0.40 |
| Vanadium [V] | ≤0.08 | ≤0.08 |
*Daidaicin Carbon [CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15] ba zai wuce 0.50 ba kuma za a bayar da rahotonsa akan MTC.
Kayayyakin Inji na ASTM A234 WPB & WPC
| Maki na ASTM A234 | Ƙarfin Taurin Kai, min. | Ƙarfin Ba da Lamuni, min. | Ƙarawa %, minti | |||
| ksi | MPa | ksi | MPa | Tsawon lokaci | Mai wucewa | |
| WPB | 60 | 415 | 35 | 240 | 22 | 14 |
| WPC | 70 | 485 | 40 | 275 | 22 | 14 |
*1. Kayan aikin bututun WPB da WPC da aka ƙera daga faranti ya kamata su kasance suna da aƙalla tsawon kashi 17%.
*2. Sai dai idan an buƙata, ba sai an bayar da rahoton ƙimar tauri ba.
Kera
Ana iya yin kayan haɗin bututun ƙarfe na ASTM A234 daga bututu marasa sumul, bututun walda ko faranti ta hanyar tsara ayyukan matsi, hudawa, fitar da su, lanƙwasawa, walda haɗaka, injina, ko kuma ta hanyar haɗa waɗannan ayyukan guda biyu ko fiye. Duk walda gami da walda a cikin samfuran bututun da aka yi kayan haɗin daga gare su za a yi su bisa ga Sashe na IX na ASME. Maganin zafi bayan walda a 1100 zuwa 1250°F [595 zuwa 675°C] kuma za a yi gwajin rediyo bayan aikin walda.


