ASTM A234 WPB & WPC PIPE SIPETING E aofia ai tuliloa, tee, sosolo
Vailaau tuʻufaʻatasiga o le ASTM A234 WPB & WPC
Elemene | Initaneti,% | |
ASTM A234 WPB | ASTM A234 WPC | |
Carbon [c] | ≤030 | ≤0.35 |
Manganese [MN] | 0.29-1.06 | 0.29-1.06 |
Phosphorus [p] | ≤0.050 | ≤0.050 |
Sulffupu [s] | ≤0.058 | ≤0.058 |
Silkon [si] | ≥0.10 | ≥0.10 |
Chromium [cr] | ≤0.40 | ≤0.40 |
Molybdeam [Mo] | ≤0.15 | ≤0.15 |
Nickel [ni] | ≤0.40 | ≤0.40 |
Apamemea [cu] | ≤0.40 | ≤0.40 |
Vatoum [V] | ≤0.08 | ≤0.08 |
* O le carbon tutusa [ce = c + mn / 6 + (cr + & rota) e sili atu nai lo le 0.50] e le sili atu nai lo 0.50)
O meatotino a le masini astm a234 WPB & WPC
Astm A234 vasega | Malosi le malosi, min. | Gauai atu i le malosi, min. | Elongition%, min | |||
ksi | Mpa | ksi | Mpa | Uumi umi | Liua | |
WPB | 60 | 415 | 35 | 240 | 22 | 14 |
Wpc | 70 | 485 | 40 | 275 | 22 | 14 |
* 1. WPB ma WPC Pipe Faʻalelei gaosia mai papatusi o le a i ai le laititi o le vave o le 17%.
* 2. Vagana manaʻomia, o faigata faʻatauaina e le manaʻomia le lipotia.
Gaosia
O le ASTM A234 Carbon Steeel paipa mafai ona faia mai i paipa e leai ni paipa, na ufitia ai le faʻamio o le tui, pai, poʻo le faʻaliliuina o nei gaioiga. Initaneti atoa e aofia aite i totonu o fua i luga o tubulafes oloa na faia e tusa ai ma le ASEM vaega Ix. Post-Wald Walt Togafitiga i 1100 i le 1250 ° F [595 i le 675 ° F] ma leitio (o le a faia pe a uma le polokalame.