ASTM A53 thiab EN 10219 yog cov qauv yeeb nkab galvanized los ntawm cov txheej txheem kev tswj hwm sib txawv -American (ASTM) thiab European (EN). Lawv pom qhov sib txawv tseem ceeb hauv cov khoom muaj pes tsawg leeg, kev tsim khoom, cov qauv kev ua tau zoo, thiab kev siv. Hauv qab no yog kev sib piv cov ntsiab lus:
1. Cov Txheej Txheem Txheej Txheem thiab Scope
ASTM A53
US Standard: Npog seamless thiab welded dub / hnyav galvanized steel kav rau qis -siab tshuab (xws li dej, roj, chav).
Hom: Hom F (lub qhov cub-welded), Hom E (hluav taws xob- tsis kam welded), thiab Hom S (seamless).
TS EN 10219
European Standard: Qhia kom txias- tsim welded structural hollow seem (square, rectangular, circular) rau kev tsim kho / engineering. Tsis suav nrog galvanizing (yuav tsum tau ua ke nrog EN 10346 lossis ISO 1461).
Qhov txawv tseem ceebASTM A53 integrates cov kev cai galvanizing, thaum EN 10219 xav tau cov qauv ntxiv rau zinc txheej.
2. Cov khoom siv thiab tshuaj lom neeg muaj pes tsawg leeg
ASTM A53
Khoom sivCov pa roj carbon steel (Qib A: tensile zog Ntau dua lossis sib npaug rau 330 MPa; Qib B: Ntau dua lossis sib npaug rau 415 MPa).
Kev sib xyaw: Tswj C, Mn, P, S (piv txwv li, Qib B: C Tsawg dua lossis sib npaug li 0.30%).
TS EN 10219
Khoom siv: Ntau qib (piv txwv li, S235-S460), tej zaum yuav suav nrog micro-alloys (Nb, V).
Kev sib xyaw: Kev txwv nruj dua ntawm P/S (piv txwv li, S235JR: P Tsawg dua lossis sib npaug li 0.035%).
Qhov txawv: EN 10219 muaj ntau txoj kev xaiv rau qib siab - siv zog.
3. Kev tsim khoom thiab Galvanizing
ASTM A53
Galvanizing: Kub-dip rau ASTM A153/A123; Cov txheej txheem zinc txheej ntau dua lossis sib npaug ntawm 85 µm (G90).
Txheej txheem: Seamless / welded; welds xav tau hydrostatic los yog nondestructive kuaj.
EN 10219 + EN 10346
Galvanizing: Yuav tsum tau EN 10346/ISO 1461; txheej txheej (piv txwv li, Chav A: Ntau dua lossis sib npaug li 100 g / m²).
Txheej txheem: Txias-tsim vuam; nruj me ntsis tolerances (piv txwv li, phab ntsa thickness ± 10%).
Tseem ceeb: EN 10219 nws tus kheej tsis muaj galvanizing specs - yuav tsum ua ke nrog cov qauv txheej txheej.
4. Mechanical Properties
ASTM A53
Lub zog: Qib B yield zog Ntau dua lossis sib npaug ntawm 240 MPa, elongation Ntau dua lossis sib npaug li 23%.
Kev sim: Tensile + flattening / flaring xeem.
TS EN 10219
Lub zog: Piv txwv li, S355J2H tawm los Ntau dua lossis sib npaug ntawm 355 MPa, elongation Ntau dua lossis sib npaug li 22%.
Kev sim: suav nrog cov kev sim cuam tshuam (tsawg-kub toughness) thiab dabtsi yog khoov.
Qhov txawvTS EN 10219 Kev tsim kho kev ncaj ncees nyob rau hauv cov khoom siv dynamic.
5. Cov ntawv thov
ASTM A53: Tsawg-kev thauj khoom siab (North America), scaffolding.
TS EN 10219: European structural projects (bridges, stadiums), mechanical thav duab (nrog galvanizing rau corrosion kuj).
Kev Taw Qhia Xaiv
Xaiv ASTM A53 rau US tej yaam num lossis ASME siab tshuab.
Xaiv rau EN 10219 + txheej rau EU cov qauv kev xav tau uas xav tau qhov tseeb / huab cua tsis kam.
