Q235 Steel Phaj yog dab tsi

Q235 steel yog ib hom carbon structural steel, uas yog dav siv nyob rau hauv ntau yam lag luam thiab teb. Nws cov tshuaj muaj pes tsawg leeg muaj xws li carbon, silicon, manganese, phosphorus thiab sulfur. Q235 steel tau nyiam ntau xim hauv kev ua lag luam vim nws cov yam ntxwv tshwj xeeb.

Tshuaj muaj pes tsawg leeg ntawm Q235 Steel

Thov nco ntsoov tias cov txiaj ntsig no tsuas yog siv rau kev siv xwb, thiab cov tshuaj muaj pes tsawg leeg ntawm Q235 steel yuav txawv raws li cov qauv sib txawv thiab cov lus qhia tshwj xeeb. Cov lus no muab ntau yam ntawm cov ntsiab lus tseem ceeb hauv Q235 steel feem ntau.

Cov ntsiab lus carbon (C) hauv Q235 steel feem ntau yog nyob nruab nrab ntawm 0.12% thiab 0.20%, uas ua rau nws nyuaj thiab muaj zog. Cov ntsiab lus silicon (Si) feem ntau yog 0.3{{10}}}%, uas pab txhim kho plasticity thiab weldability ntawm Q235 steel. Manganese cov ntsiab lus (Mn) nruab nrab ntawm 0.30% thiab 0.70% ua lub luag haujlwm tseem ceeb hauv kev txhim kho lub zog thiab tawv ntawm Q235 steel. Cov ntsiab lus ntawm phosphorus (P) thiab sulfur (S) feem ntau yog tswj los ntawm cov qib qis heev, Tsawg dua lossis sib npaug li 0.045% thiab Tsawg dua lossis sib npaug li 0.050%, feem, txhawm rau ua kom zoo machinability thiab corrosion kuj ntawm Q235 steel.