S275 kub- dov steel yeeb nkab yog dab tsi?
S275 kub- dov qauv steel yeeb nkabyog ib qho qis -carbon general- lub hom phiaj steel nrog qhov tsawg kawg nkaus yield zog ntawm 275 MPa.
Dab tsi yog qhov sib npaug steel qib ntawm S275 kub - dov cov qauv steel yeeb nkab?
Tebchaws Asmeskas sib npaug ntawm EuropeanS275 hlauQib yog ASTM A570 Qib 40. Lwm cov qib steel sib npaug suav nrog cov qauv ua ntej xws li BS 4360 Qib 43, thiab qee cov qib steel tshwj xeeb, xws li S275J2G4 hauv cov qauv EN ua ntej.
Dab tsi yog qhov kawg tensile lub zog ntawm S275 kub - dov qauv steel yeeb nkab?
Qhov kawg tensile lub zog ntawmS275 kub- dov qauv steel yeeb nkabQhov siab ntawm 370 txog 530 MPa. Cov nqi tshwj xeeb yuav txawv me ntsis nyob ntawm tus qauv tshwj xeeb thiab kev tsim khoom.
Dab tsi yog qhov txawv ntawm cov qauv hlau thiab cov hlau zoo tib yam?
Qhov sib txawv tseem ceeb nyob hauv lawv cov khoom. Cov qauv hlau yog qhov siab - lub zog, cov hlau ruaj khov tshwj xeeb tsim thiab tsim qauv rau lub tsev thav duab; hos cov hlau zoo tib yam yog ib lo lus dav dav hais txog ntau hom hlau siv rau cov uas tsis yog -load- cov ntawv siv, xws li cov cuab yeej lossis cov khoom siv tsheb.
Dab tsi yog qhov txawv ntawm A36 steel thiab S275 steel?
Lub zog ntawm A36 thiabS275 JRkuj txawv. A36 muaj qhov tsawg kawg nkaus lub zog ntawm 250 MPa, thaum S275JR lub zog tawm los yuav qis dua 250 MPa. Cov ntsiab lus carbon kuj txawv. A36 muaj cov ntsiab lus siab tshaj plaws ntawm 0.25%, thaum S275JR muaj cov ntsiab lus siab tshaj plaws ntawm 0.21%.
