S275JR steel yog dab tsi?
S275 JRyog ib qho uas tsis yog - alloy structural steel ua raws li EN 10025-2.
Puas yog S275JR steel sib npaug rau ASTM A36 steel?
Tsis yog,S275JR hlautsis yog ncaj qha sib npaug rau ASTM A36 steel, txawm hais tias lawv feem ntau siv rau hauv cov ntaub ntawv zoo sib xws. S275JR feem ntau muaj qhov tsawg kawg nkaus tawm lub zog ntau dua li ASTM A36, thiab S275JR yuav tsum muaj Charpy V-qhov ntsuas qhov cuam tshuam, thaum A36 tsis ua.
S275JR steel hauv ASME qauv yog dab tsi?
S275JR hlautsis muaj qhov sib npaug ntawm cov hlau ncaj qha hauv ASME cov qauv vim tias S275JR yog tus qauv European (EN 10025-2).
Dab tsi yog qhov txawv ntawm S355JR steel thiab S275JR steel?
Lub ntsiab sib txawv yog nyob rau hauv lub zog ntawmS355JR hlau, uas yog siab dua li ntawm S275JR steel. Qhov tsawg kawg nkaus yield zog ntawm S355JR steel yog 355 MPa, thaum ntawmS275JR hlauyog 275 MPa.
Dab tsi yog cov ntawv thov ntawm S235JR steel?
S235JR hlauyog ntau yam tsawg- carbon steel dav siv nyob rau hauv ntau yam qauv thiab engineering teb vim nws zoo weldability, machinability, thiab nruab nrab lub zog. Nws cov ntawv thov tseem ceeb suav nrog kev tsim vaj tsev, txuas hniav, thiab kev tsim kho vaj tse, nrog rau kev tsim cov tshuab dav dav, tshuab qhov chaw, thiab cov khoom siv rau kev tsheb ciav hlau thiab kev ua liaj ua teb.
