ABS DQ51 steel daim hlau yog tsim tshwj xeeb rau kev siv hauv nkoj tsim thiab marine engineering daim ntaub ntawv. Cov qib siab - cov ntawv hlau zoo no muaj cov khoom siv zoo heev thiab cov tshuaj lom neeg muaj pes tsawg leeg, ua rau lawv tsim nyog rau ntau yam kev xav tau hauv hiav txwv.
Ua ntej, cov tshuaj muaj pes tsawg leeg ntawm ABS DQ51 steel daim hlau yog ua tib zoo tswj kom ntseeg tau tias kev ua haujlwm zoo. Cov phaj feem ntau muaj xws li carbon, silicon, manganese, phosphorus, sulfur, chromium, npib tsib xee, tooj liab, thiab molybdenum. Qhov sib npaug sib npaug no muab cov hlau zoo zog, toughness, thiab corrosion kuj.
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ABS DQ51 Ntxiv muaj zog muaj zog tshuaj muaj nyob rau hauv Tempering thiab quenching |
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Qib |
Cov ntsiab lus Max (%) |
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C |
Si |
Mn |
P |
S |
N |
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ABS DQ51 |
0.20 |
0.55 |
1.7 |
0.030 |
0.030 |
0.02 |
Nyob rau hauv cov nqe lus ntawm txhua yam khoom, ABS DQ51 steel daim hlau muaj lub zog tensile siab thiab yield zog. Lawv kuj muaj qhov zoo elongation thiab toughness, ua rau lawv tiv taus cov loads loj thiab kev ntxhov siab uas tau ntsib hauv marine daim ntaub ntawv.
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ABS DQ51 Ntxiv cov khoom muaj zog ntxiv hauv tempering thiab quenching |
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Qib |
Mechanical Property |
Charpy V Impact Test |
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Yield |
Tensile |
Elongation |
Qib |
Zog 1 |
Zog 2 |
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Min Mpa |
Mpa |
Tsawg% |
-20 |
J |
J |
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ABS DQ51 |
500 |
610-770 |
16 |
33 |
50 |
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Lus Cim: Lub Zog 1 yog qhov kev ntsuas cuam tshuam, Lub Zog 2 yog qhov ntev |
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Kev kho cua sov lub xeev ntawm cov hlau daim hlau no yog qhov tseem ceeb rau kev ua tiav cov khoom siv kho tshuab uas xav tau. Feem ntau, ABS DQ51 steel daim hlau tau txais kev ua haujlwm zoo, quenching, thiab tempering txheej txheem los txhim kho lawv cov tawv thiab kev cuam tshuam.
Kev ntsuam xyuas qhov cuam tshuam yog qhov tseem ceeb ntawm cov txheej txheem tswj kom zoo rau ABS DQ51 steel daim hlau. Qhov kev sim no suav nrog kev ua rau cov phaj qis qis - qhov kub thiab txias cuam tshuam los ntsuas lawv cov tawv thiab tiv thaiv kom tawg tawg.
Vim lawv cov khoom zoo heev, ABS DQ51 steel phaj yog dav siv nyob rau hauv ntau yam marine daim ntaub ntawv. Lawv feem ntau ua haujlwm hauv kev tsim cov hulls, decks, bulkheads, thiab lwm yam khoom siv ntawm cov nkoj thiab nkoj. Lawv corrosion kuj thiab durability ua rau lawv haum rau siv nyob rau hauv ob qho tib si dej qab zib thiab ntsev ib puag ncig.
