Dab tsi yog cov tshuaj muaj pes tsawg leeg specifications rau ASTM A53 Class B LSAW ncaj seam welded yeeb nkab?
|
Lub ntsiab |
Feem ntau siab tshaj |
|---|---|
| Cov pa roj carbon (C) |
0.30% |
| Manganese (Mn) | 1.20% |
| Phosphorus (P) | 0.05 % |
| Sulfur (S) | 0.045 % |
| Copper (Cu) | 0.40 % |
| Nickel (Ni) | 0.40 % |
| Chromium (Cr) | 0.40 % |
| Molybdenum (hli) | 0.15 % |
| Vanadium (V) | 0.08% |
Yuav ua li cas los soj ntsuam cov weld seam ntawm ASTM A53 Class B LSAW ncaj seam welded yeeb nkab?
Thaum soj ntsuam cov weld seam ntawmASTM A53 Class B LSAW welded yeeb nkab, tsis yog -kev kuaj kev puas tsuaj (NDT) txoj kev yuav tsum tau siv, xws li kuaj ultrasonic (UT), eddy tam sim no kuaj (ECT), lossis kuaj hluav taws xob (RT) txhawm rau txheeb xyuas qhov tsis xws luag.
3PE tiv thaiv ASTM A53 Class B LSAW ncaj seam welded yeeb nkab li cas?
3PE tiv thaiv- txheej txheej corrosion muaj peb txheej. Cov txheej hauv qab yog epoxy hmoov txheej, uas muaj cov adhesion zoo thiab tshuaj tiv thaiv corrosion; nruab nrab txheej yog ib qho nplaum uas txuas cov txheej hauv qab thiab txheej saum toj kawg nkaus; Cov txheej sab saum toj yog polyethylene, uas muaj cov khoom siv zoo heev, huab cua tsis kam, thiab impermeability.
ASTM A53 Class B LSAW ncaj seam welded yeeb nkab puas siv tau nyob rau hauv siab - qhov kub thiab txias?
Tsis yog,ASTM A53 Class B LSAW welded yeeb nkabtsis yog qhov kev xaiv zoo tshaj plaws rau siab - qhov kub thiab txias; nws yog qhov tsim nyog rau nruab nrab - thiab qis - siab thiab nruab nrab - kev siv kub. Rau siab - qhov kub thiab txias ib puag ncig, nws raug nquahu kom siv cov kav dej welded xws li ASTM A106, uas yog tsim tshwj xeeb rau kev kub siab - ib puag ncig.
Dab tsi yog qhov zoo ntawm ASTM A53 Class B LSAW ncaj seam welded yeeb nkab?
Lub ntsiab zoo ntawmASTM A53 Class B LSAW ncaj seam welded yeeb nkabyog lub zog siab, siab ua haujlwm siab, tus nqi siab -kev ua tau zoo, thiab kev ntseeg siab.
