astm a500 vs a513
ASTM A500: ASTM A500 yog tus qauv rau txias - tsim, welded, thiab seamless carbon steel square, rectangular, thiab lwm yam zoo li tus qauv tubing. Cov qauv no faib cov tubing rau plaub qib (A, B, C, thiab D) raws li lawv cov khoom siv kho tshuab, nrog qib A sawv cev qis zog thiab qib D sawv cev rau lub zog siab dua. A500 tus qauv tubing feem ntau yog siv hauv kev tsim vaj tsev, txuas hniav, thiab kev tsim tsheb, muaj lub zog siab thiab zoo weldability.
ASTM A513: ASTM A513 siv rau kev tiv thaiv -welded carbon steel thiab alloy steel mechanical tubing, feem ntau siv hauv kev tsim cov tshuab thiab cov khoom siv tsheb. Square thiab rectangular tubing raws li tus qauv no feem ntau muaj qhov ua tau zoo thiab qhov chaw tiav, haum rau cov ntawv thov uas xav tau qhov loj me thiab qhov zoo.
Chemical Composition Differences (%)
| Element | ASTM A500 (Tswj rau Gr. B / C) | ASTM A513 (Tswj rau T1 / T2) | Qhov txawv tseem ceeb |
|---|---|---|---|
| Cov pa roj carbon (C) | 0.18-0.23 (Gr.C) | 0.10-0.20 (T1/T2) | A513 muaj cov ntsiab lus qis dua, ua kom zoo dua weldability. |
| Manganese (Mn) | 1.20-1.40 Nws. | 0.60-1.00 (T1/T2) | A513 siv qis manganese, tso siab rau kev ua haujlwm (tsis yog chemistry) rau lub zog. |
| Phosphorus (P) / Sulfur (S) | Tsawg dua lossis sib npaug li 0.035 | Tsawg dua lossis sib npaug li 0.050 | A500 imposes stricter txwv rau impurities. |
| Alloying Elements | Feem ntau tsis muaj | Tej zaum yuav muaj cov kab mob | A513 optimizes kev ua tau zoo los ntawm kev ua, tsis yog tshuaj ntxiv. |
Mechanical Property Differences
| Khoom | ASTM A500 (piv txwv li, Gr.C) | ASTM A513 (piv txwv li, T1 / T2 HREW / DOM) | Qhov txawv tseem ceeb |
|---|---|---|---|
| Yield zog | 315-450 MPa (qib/thickness-dependent) | 260-415 MPa (txheej txheem / khoom-nyob ntawm tus) | A500 feem ntau muaj lub zog ntau dua rau kev thauj khoom- cov ntawv thov kev coj tus kheej. |
| Tensile zog | 380-620 MPa (qib-nyob ntawm) | 390-530 MPa (zoo) | A500 muab lub zog tensile dav dav, tshwj xeeb tshaj yog nyob rau qib siab - zog. |
| Elongation | 18-22% (50mm ntsuas qhov ntev) | 15-25% (txoj kev-nyob ntawm) | A513 tuaj yeem ua tiav elongation ntau dua vim qhov ua tau zoo. |
Ntxiv Mechanical & Processing Comparison
| Kev xeem / yam ntxwv | ASTM A500 1 | ASTM A513 Cov Lus Qhia Tshwj Xeeb | Qhov txawv tseem ceeb |
|---|---|---|---|
| Kev tsim khoom | Feem ntau hluav taws xob / submerged arc vuam | Feem ntau qhov hluav taws xob tsis kam vuam / txias - kos | A513 ua tiav nruj dua los ntawm kev ua haujlwm tshwj xeeb. |
| Nto tiav | Standard industrial tiav | Smoother / ntau uniform | A513 yog qhov zoo tagnrho rau precision lossis zoo nkauj daim ntaub ntawv. |
| Impact Toughness | Xaiv ib qib | Feem ntau tsis tau teev tseg | A500 yog qhov zoo dua rau seismic / qis- qhov kub thiab txias. |
| Weldability | Zoo | Zoo heev | A513's qis- carbon tsim yooj yim vuam. |
Daim ntawv thov tseem ceeb sib piv
| Txuj | Kev siv tsim nyog | Qhov zoo |
|---|---|---|
| ASTM A500 1 | Kev tsim vaj tsev, txuas hniav, cov cav ntoo hnyav | Lub zog siab thiab cuam tshuam rau kev thauj khoom -cov ntaub ntawv kabmob. |
| ASTM A513 Cov Lus Qhia Tshwj Xeeb | Automotive qhov chaw, rooj tog tubing, precision machinery | High dimensional precision thiab nto tiav rau precision ua hauj lwm. |
A500 thiab A572 raj hauv Tshuag
