Dab tsi yog qhov txawv ntawm ASTM A500 Qib B, Qib A, thiab Qib C?
Qhov txawv tseem ceeb yog qhov ntawdASTM A500 1Qib C muaj zog tensile thiab yield zog dua qib B, thaum Qib B muaj zog dua qib A.
Hom tsev lossis cov qauv dab tsi yog ASTM A500 Qib B cov qauv steel tubing feem ntau siv hauv?
ASTM A500 Qib B structural steel tubingfeem ntau yog siv nyob rau hauv lub tsev thav duab, txuas hniav, thiab kev lag luam lug vim nws lub zog siab, zoo durability, thiab zoo weldability. Nws yog siv nyob rau hauv txhua kab, kab teeb, thiab lwm yam load- bearing Cheebtsam nyob rau hauv ntau yam tsev tej yaam num.
Dab tsi yog qhov tsawg kawg nkaus lub zog ntawm ASTM A500 Qib B structural steel tubing?
Qhov tsawg kawg nkaus yield zog ntawmASTM A500 Qib B structural steel tubingyog: 46,000 psi rau zoo li tus tubing thiab 42,000 psi rau round tubing. Qhov no yog sib npaug rau 315 MPa rau zoo li tus tubing thiab 290 MPa rau puag ncig tubing.
Dab tsi yog cov kev kho mob saum npoo rau ASTM A500 Qib B structural steel tubing?
Hom kev kho mob saum npoo rauASTM A500 Class B structural steel tubingmuaj xws li: uncoated (dub), galvanized (kub-dip galvanized los yog pre-galvanized), thiab pleev xim los yog coated, phosphated, roj-coated, los yog polished.
Yuav ua li cas kwv yees qhov hnyav ntawm ib leeg ASTM A500 Class B structural steel tubing?
Yuav kwv yees qhov hnyav ntawm ib leegASTM A500 Class B structural steel tubing, siv cov qauv hauv qab no: Qhov hnyav ib 'meter'=0.02466 × Phab ntsa thickness (mm) × (Sab nraud txoj kab uas hla (mm) - Phab ntsa thickness (mm)). Qhov kev suav no siv qhov ceev ntawm cov hlau (7.85 g / cm³) thiab siv cov yam ntxwv zoo rau hauv tus account, ua rau kwv yees li kilograms ib 'meter'.
