ASTM A500 Qib B ERW steel yeeb nkab yog dab tsi?
ASTM A500 Qib Byog ib qho uas nquag siv carbon steel structural yeeb nkab. Qib B yog ib qib hauv A500 series, thiab nws cov khoom siv tshuab muaj xws li lub zog tensile yam tsawg kawg nkaus ntawm 400 MPa thiab qhov tsawg kawg nkaus lub zog ntawm 315 MPa.
Cov qib ntawm ASTM A500 ERW steel yeeb nkab yog dab tsi?
ASTM A500 ERW steel yeeb nkabsuav nrog qib A, B, C, thiab D, txhua qhov sib txawv ntawm qhov sib txawv tensile thiab qhov muaj zog tawm los.
Dab tsi yog txoj kev tiv thaiv xeb rau ASTM A500 ERW steel yeeb nkab?
Txoj kev tiv thaiv xeb rauASTM A500 ERW steel yeeb nkabsuav nrog kub-dip galvanizing, pleev xim, zinc txau, thiab hmoov txheej.
Dab tsi yog cov khoom sib npaug ntawm ASTM A500 Qib B ERW steel yeeb nkab?
Cov ntaub ntawv sib npaug rauASTM A500 Class B ERW steel yeeb nkabsuav nrog ASTM A501 Class B kub- tsim cov yeeb nkab steel, nrog rau cov qauv thoob ntiaj teb xws li EN 10219 S355J0H thiab JIS STKR490.
Dab tsi yog qhov zoo tshaj plaws ntawm A500 Class B ERW steel yeeb nkab piv rau seamless steel yeeb nkab?
Qhov zoo tshaj plaws ntawmA500 Class B ERW steel yeeb nkabnyob rau hauv nws tus nqi -effectiveness. ERW steel yeeb nkab feem ntau muab kev xa khoom sai dua thiab ntau qhov ntau thiab tsawg thiab cov duab, ua rau nws zoo tagnrho rau ntau daim ntawv thov, tshwj xeeb tshaj yog cov ntawv thov uas tsis tas yuav muaj kev kub ntxhov.
