ASTM A333 Gr. 6 ERW Carbon Steel Pipes Nqe lus piav qhia
A333 GR.6 seamless steel yeeb nkab yog Qib 6 seamless steel yeeb nkab tsim raws li tus qauv ASTM A333. Nws yog tsim tshwj xeeb rau qis- qhov kub thiab txias rau qhov chaw txias heev, thiab tau dhau los ua "cov khoom siv hnub qub" hauv kev ua haujlwm ntawm cryogenic engineering vim nws qhov kub zoo heev - kub toughness, siab zog, thiab zoo weldability. Cov hauv qab no yog ib qho kev ntsuam xyuas ntxaws:
Cov yam ntxwv tseem ceeb: "Tus Saib Xyuas" ntawm qis-Tsub Toughness
Qhov Zoo Tshaj Plaws-Temperature Toughness: Tus qauv ntsuas kub yog -50℃F (-45 degree), thiab nws feem ntau siv nyob rau hauv qhov ntsuas kub qis dua (raws li kev tsim qauv kev nyab xeeb). Nws lub zog cuam tshuam siab (KV2) tus nqi ua kom ntseeg tau tias nws tsis tuaj yeem ua rau tawg tawg ntawm qhov kub qis.
Los ntawm kev ua kom zoo -grained normalizing kev kho mob, lub microstructure yog optimized, txhim kho cov khoom toughness thiab adapting mus rau ntau yam kub hloov ntawm chav tsev kub mus rau cryogenics.
Lub zog muaj zog thiab kev ntseeg siab: Lub zog tensile siab thiab lub zog tawm los, muaj peev xwm tiv taus siab - kev xav tau kev thauj mus los, ua kom muaj kev ruaj ntseg ntawm cov kav dej ntawm qhov kub thiab txias.
Weldability zoo heev: Nrog nruj tswj cov ntsiab lus carbon (feem ntau Tsawg dua los yog sib npaug rau 0.30%), txias tawg yog tsawg dua thaum vuam. Nws tuaj yeem koom nrog siv cov txheej txheem xws li phau ntawv arc vuam thiab submerged arc vuam, ua rau muaj kev ruaj ntseg ncej- vuam kev ua tau zoo.
Kev lag luam thiab kev ua tau zoo: Muab piv rau qis dua - cov ntaub ntawv kub (xws li Qib 3, 9% Ni steel), GR.6 yog tus nqi ntau dua - ua tau zoo, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau tus nqi - kev ua tau zoo hauv cryogenic engineering.
Cov Lus Qhia Tshwj Xeeb ntawm Carbon Steel ASTM A333 Gr 6 Pipe
| Cov khoom xyaw | Cov ntaub ntawv |
| Cov pa roj carbon (max.) | 0.30 |
| Manganese | 0.40–1.06 |
| Phosphorus (max.) | 0.025 |
| Sulfur (max.) | 0.025 |
| Silicon | … |
| Nickel | … |
| Chromium | … |
| Lwm Yam Khoom | … |
Mechanical Properties of Carbon Steel ASTM A333 Qib 6 Pipes
| Cov khoom | Cov ntaub ntawv |
| Yield zog (min) | 240 Mpa |
| Tensile zog (min) | 415 Mpa |
| Elongation (%) | 30/16.5 |
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