Dab tsi yog cov cuab yeej cuab tam rau ASTM A333 Gr.1 ncaj seam welded steel yeeb nkab?
Yam tsawg kawg nkaus cov cuab yeej cuab tam yuav tsum tau rauASTM A333 Gr.1 ncaj seam welded steel yeeb nkabyog: tensile zog 380 MPa (55,000 psi), yield zog 205 MPa (30,000 psi), longitudinal elongation 35%, thiab transverse elongation 25%.
Cov xov xwm twg tuaj yeem ASTM A333 Gr.1 ncaj seam welded steel yeeb nkab thauj?
ASTM A333 Gr.1 ncaj seam welded steel yeeb nkabtuaj yeem thauj tau ntau yam kev tshaj tawm, thiab tshwj xeeb tshaj yog tsim rau cov cheeb tsam cryogenic, suav nrog roj, nkev roj, liquefied natural gas (LNG), thiab liquefied petroleum gas (LPG).
Txoj kev tiv thaiv corrosion rau ASTM A333 Gr.1 ncaj seam welded steel yeeb nkab yog dab tsi?
Corrosion tiv thaiv txoj kev rauASTM A333 Gr.1 ncaj seam welded steel yeeb nkabsuav nrog txheej (xws li pleev xim, epoxy resin, lossis ntau- txheej txheej), kub-dip galvanizing (immersion hauv molten zinc), thiab cathodic tiv thaiv.
Dab tsi yuav tsum tau ceev faj thaum thauj thiab khaws cia ASTM A333 Gr.1 ncaj seam welded steel yeeb nkab?
Thaum thauj thiab khaws ciaASTM A333 Gr.1 ncaj seam welded steel yeeb nkab, nws yuav tsum tau muab khaws cia rau hauv qhov chaw huv, qhuav, zoo- qhov cua, kom deb ntawm cov khoom corrosive xws li acids, alkalis, thiab cement. Cov txheej txheem stacking kom zoo yuav tsum tau siv thaum lub sij hawm khaws cia, siv cov rooj ntoo los yog kev txhawb nqa kom nws tawm hauv av, thiab kev tiv thaiv kev ntim khoom yuav tsum tau siv kom tsis txhob muaj kev ntxhib los mos uas tuaj yeem ua rau qhov chaw puas lossis deformation.
Dab tsi yog qhov txawv ntawm ASTM A333 Gr.1 thiab lwm qib ntawm A333 steel yeeb nkab?
Qhov sib txawv tseem ceeb ntawmASTM A333 Qib 1thiab lwm qib (xws li Qib 3 thiab Qib 6) nyob rau hauv lawv cov tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab, tshwj xeeb tshaj yog lub zog tensile thiab kev cuam tshuam lub zog.
| Feature | ASTM A333 Gr . 1 | ASTM A333 Gr . 3 | ASTM A333 Gr . 6 |
|---|---|---|---|
| Cov pa roj carbon |
0.03%max |
0.19% max | 0.30% max |
| Nickel | Tsis tau teev tseg | 3.18-3.82% | Tsis tau teev tseg |
| Silicon | Tsis tau teev tseg (Manganese nyob nruab nrab ntawm 0.40 - 1.06%) | 0.18-0.37% | Yam tsawg kawg nkaus 0.10% |
| Tensile zog |
Yam tsawg kawg nkaus 55,000psi (380MPa) |
Yam tsawg kawg nkaus 65,000psi (450MPa) | Yam tsawg kawg nkaus 60,000psi (415MPa) |
| Impact Test Temperature | -50 ° F (-45 ° C) | -150 ° F (-100 ° C) | -50 ° F (-45 ° C) |
