Ntau cov qib steel sib txawv muab cov khoom tshwj xeeb thiab cov txiaj ntsig rau ntau yam kev siv. Ob ntawm cov qib steel nrov tshaj plaws suav nrog ASTMA53 thiab A36. Txawm hais tias ob qho tib si muaj qee qhov sib xws, qee qhov sib txawv tseem ceeb ua rau lawv sib nrug.
Nyob rau hauv no blog ncej, peb mam li delve tob rau hauv dab tsi teev ASTM A53 thiab A36 sib nrug kom koj thiaj li xaiv tau cov qib steel zoo rau koj qhov project tom ntej.
Qhov sib txawv ntawm ASTM A53 thiab A36
Kev sib xyaw
Thawj qhov sib txawv ntawm ASTM A53 thiab A36 yog lawv cov tshuaj sib txawv. ASTM A53 muaj carbon, manganese, phosphorus, sulfur thiab tooj liab, thaum A36 muaj carbon, manganese, phosphorus, sulfur thiab silicon. Silicon yog ib qho tseem ceeb steel - ua cov khoom uas txhim kho hardness, lub zog thiab yooj. Qhov sib txawv tshuaj muaj pes tsawg leeg ntawm ob qib no thaum kawg ua rau lwm yam khoom siv thiab kev siv.
Daim ntawv thov
ASTM A53 yog cov pa roj carbon steel yeeb nkab siv nyob rau hauv qis - cov kav dej siab. Cov qib steel no feem ntau yog siv rau kev siv tshuab thiab kev siv siab uas tsis xav tau lub zog siab ntawm A36. ASTM A53 yog tsim rau vuam, threading, thiab dabtsi yog khoov, ua rau nws muaj ntau yam steel qib rau ntau yam kev siv.
A36, ntawm qhov tod tes, yog cov pa roj carbon steel phaj feem ntau siv rau kev siv cov qauv. Cov qib steel no tshwj xeeb tshaj yog zoo- haum rau cov haujlwm tsim ua tsaug rau nws qhov ruaj khov thiab ua haujlwm ntev. A36 kuj tseem ua tau zoo heev, txhais tau tias nws tuaj yeem txiav tau yooj yim, drilled, xuas nrig ntaus los yog zoo li tus rau hauv ib qho kev xav. Qhov no ua rau nws yog qhov kev xaiv nrov rau architects thiab engineers.
Yield zog
Lwm qhov sib txawv ntawm ASTM A53 thiab A36 yog lawv lub zog tawm los. A36 muaj qhov tsawg kawg nkaus lub zog ntawm 36,000 psi, thaum A53 muaj qhov tsawg kawg nkaus lub zog ntawm 35,000 psi. Qhov laj thawj tseem ceeb ntawm qhov sib txawv no yog tias A36 muaj lub zog tensile siab dua A53, uas tuaj yeem tiv taus kev ntxhov siab ntau dua ua ntej nws pib deform.
Mechanical Properties
Lwm qhov sib txawv tseem ceeb ntawm ASTM A53 thiab ASTM A36 yog cov khoom siv kho tshuab ntawm txhua lub hlau. ASTM A53 muaj lub zog ntau dua thiab lub zog tensile tshaj ASTM A36. Qhov no ua rau nws zoo tagnrho rau kev siv hauv cov ntawv thov uas lub zog yog qhov kev txhawj xeeb tseem ceeb.
Kev kho cua sov
ASTM A53 feem ntau tsis kho cua sov, thaum ASTM A36 yog cua sov- kho kom zoo dua nws cov khoom siv kho tshuab. Qhov no muab A36 steel muaj zog dua thiab muaj zog dua li A53 steel.
Weldability
ASTM A53 yog weldable ntau dua li ASTM A36 vim nws cov ntsiab lus qis dua. Qhov no ua rau nws zoo tagnrho rau siv hauv kev siv vuam.
Corrosion Resistance
ASTM A53 muaj kev tiv thaiv corrosion zoo dua li ASTM A36 vim nws cov ntsiab lus ntau dua manganese.
Xaus
Hauv kev xaus, thaum ASTM A53 thiab A36 qhia qhov zoo sib xws ntawm cov tshuaj muaj pes tsawg leeg, qee qhov sib txawv tseem ceeb ua rau lawv sib nrug. A53 feem ntau yog siv rau qis- cov ntawv thov cov kav dej siab, thaum A36 yog qhov nrov rau kev siv cov qauv. Tsis tas li ntawd, A36 muaj lub zog tensile siab dua thiab lub zog tawm los tshaj A53, tso cai rau nws tiv taus kev ntxhov siab ntau dua. Koj tuaj yeem xaiv cov qib zoo rau koj qhov project tom ntej los ntawm kev nkag siab qhov sib txawv ntawm cov qib steel no.
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FAQ
Q: Qhov txawv ntawm A53 thiab A36 qib B yog dab tsi?
A: A53 feem ntau yog siv rau qis - cov ntawv thov cov kav dej siab, thaum A36 nrov rau kev siv cov qauv. Tsis tas li ntawd, A36 muaj lub zog tensile siab dua thiab lub zog tawm los tshaj A53, tso cai rau nws tiv taus kev ntxhov siab ntau dua.
Q: Qib A36 sib npaug li cas?
A: ASTM A36 phaj yog sib npaug rau qib zoo li ASTM A283C, JIS G3101 SS400, JIS G3106 SM400A, EN10025-2 S235JR, DIN17100 ST37-2, thiab FE360B.
Q: A36 sawv cev rau dab tsi?
A: ASTM A36 Carbon Steel Properties
A36 raug xaiv los ntawm nws cov khoom siv kho tshuab tsis yog nws cov khoom siv tshuaj. Hauv American Society for Testing Materials (ASTM) system, A sawv cev rau ferrous hlau, thaum lub 36 hais txog nws qhov tsawg kawg nkaus yield zog ntawm 36,000 PSI.
Q: Dab tsi yog qhov muaj zog dua A36?
A: Raws li tau hais tseg, A572 steel muaj zog dua thiab hnav tsis kam tshaj li A36 steel, yog li nws yuav tsim nyog rau kev siv hnyav dua - cov ntawv siv kabmob, xws li siv hauv kev tsim cov kav xa hluav taws xob lossis cov khoom siv hluav taws xob ua kom muaj zog loj.
| Lwm cov hlau phaj | ||||
| Lub npe | Khoom siv | Specification (hli) | Tos | Lus ceeb toom |
| Tsawg Alloy | Q345A, Q345B, Q345C, Q345D, Q345E, Q390, Q420, Q460C, ST52-3, S355J2+N, SS400, SA302GrC, S275NL, 35CrMo | 6 - 350 | 5788.56 | Normalizing, tempered, tswj dov, kub dov, Kub dov, 1st tshuaj xyuas, 2nd tshuaj ntsuam, 3rd tshuaj ntsuam |
| Pressure Vessel Plate | Q245R, Q345R, Q370R, 16MnDR, 09MnNiDR, 15CrMoR, 14Cr1MoR, 12Cr2Mo1R, SA516Gr60, SA516Gr70, SA516Gr485, SAG281G, SAG281G SA387Gr22, P265,P295,P355GH,Q245R(R-HIC),Q345R(R{30}}HIC) | 3 - 300 | 8650 | Normalizing, tempered, tswj dov, kub dov, Kub dov, 1st tshuaj xyuas, 2nd tshuaj ntsuam, 3rd tshuaj ntsuam |
| Siab -Plate muaj zog | WH785D/E,Q960D/E,Q890D/E,WH60D/E,WH70B,Q550D,Q590D,Q690D/E | 8 - 120 | 3086.352 | Quenched thiab tempered |
| Hnav-Resistant Phaj | NM360, NM400, NM450, NM500 | 6 - 150 | 3866.297 | Quenched thiab tempered |
| Choj Phaj | Q235qC, Q345qC, Q370qC, Q420qC, Q345qDNH, Q370qDNH, A709 - 50F - 2, A709 - 50T - 2 | 8 - 200 | 2853.621 | Kub dov, normalized, kub dov tswj dov, quenched thiab tempered + toughness thiab brittleness |
