Dab tsi yog qhov sib txawv ntawm cov khoom tseem ceeb ntawm S355JR thiab S235JR?
S235JR muaj qhov tsawg kawg nkaus tawm lub zog ntawm 235 MPa, uas txo qis nrog nce thickness. Piv rau S235JR,S355JR hlaumuaj qhov tsawg kawg nkaus tawm lub zog ntawm 355 MPa. Lub zog tensile ntawm S235JR nyob ntawm 360 MPa rau 510 MPa, thaum lub zog ntawm S355JR yog li ntawm 470 MPa rau 630 MPa.S355 JRmuaj lub zog tensile siab dua S235JR. Ob leeg S235JR thiabS355 JRyog cov tsis yog - alloy structural steels. Lawv yog ob qho tib si muaj hlau thiab carbon; Qhov sib txawv nyob rau hauv me ntsis siab dua carbon thiab manganese cov ntsiab lus ntawm S355JR.
Dab tsi yog cov yam ntxwv ntawm siab - zaus vuam tshuab?
Lub ntsiab yam ntxwv ntawmsiab -frequency (HF) vuamyog tias nws siv lub tshuab electromagnetic los ua kom muaj cua sov hauv cov khoom siv, yog li ua tiav sai, meej, thiab muaj zog vuam.
Dab tsi yog cov haujlwm tseem ceeb ntawm kev siv S355JR siab -frequency resistance welded yeeb nkab?
S355JR siab - zaus kuj welded yeeb nkabyog siv nyob rau hauv civil engineering thiab kev tsim kho tej yaam num, nrog rau lub tsev thav duab, txuas hniav, thiab underground lug. Lawv kuj tau siv rau hauv kev lag luam petrochemical thiab hauv nroog engineering, xws li cov kav dej, scaffolding, thiab cov khoom siv rau cov tshuab thiab tsheb.
Dab tsi yog cov phab ntsa tuab tuab rau S355JR siab -frequency resistance welded yeeb nkab?
Qhov feem ntau phab ntsa thickness ntau rauS355JR siab -frequency resistance welded (HFRW) yeeb nkabyog nyob nruab nrab ntawm 1.0 hli thiab 20 hli, txawm hais tias muaj ntau yam yuav txawv nyob ntawm seb cov chaw tsim khoom thiab cov yeeb nkab txoj kab uas hla.
Puas yog tus nqi ntawm S355JR siab -frequency resistance welded yeeb nkab siab dua los yog qis dua ntawm cov kav welded kav?
Tus nqi ntawm ibS355JR siab -frequency resistance (HFR) welded yeeb nkabyog qis dua li ntawm ib qho kauv welded yeeb nkab, raws li covHFR welded yeeb nkabfeem ntau tsis tshua kim rau ib chav tsev ntawm qhov hnyav. Thaum ob leeg yog cov kav dej welded, kauv vuam tuaj yeem muaj cov nqi tsim khoom ntau dua thiab cov kev txwv loj dua piv rau siab - zaus welding.
