P235TR1 yog cov khoom siv steel yeeb nkab uas nws cov tshuaj muaj pes tsawg leeg feem ntau ua raws li EN 10216-1 tus qauv.cog tshuaj, hlab ntsha, pipework kev tsim kho thiab rau ntaumechanical engineering lub hom phiaj.

Raws li tus qauv, cov tshuaj muaj pes tsawg leeg ntawm P235TR1 suav nrog cov ntsiab lus carbon (C) txog 0.16%, silicon (Si) cov ntsiab lus txog 0.35%, manganese (Mn) cov ntsiab lus ntawm 0.30-1.20%, phosphorus (P) thiab sulfur (S. ). ) cov ntsiab lus yog siab tshaj 0.025% feem. Tsis tas li ntawd, raws li tus qauv yuav tsum tau muaj, muaj pes tsawg leeg ntawm P235TR1 kuj tseem muaj cov lej ntawm cov ntsiab lus xws li chromium (Cr), tooj liab (Cu), npib tsib xee (Ni) thiab niobium (Nb). Kev tswj ntawm cov tshuaj muaj pes tsawg leeg tuaj yeem ua kom ntseeg tau tias P235TR1 steel kav muaj cov khoom tsim nyog thiab kev tiv thaiv corrosion, ua rau lawv tsim nyog siv rau qee qhov kev siv tshwj xeeb.

Los ntawm cov tshuaj muaj pes tsawg leeg pom, P235TR1 cov ntsiab lus qis carbon pab txhim kho nws cov weldability thiab processability, thiab nws cov ntsiab lus silicon thiab manganese pab txhim kho nws lub zog thiab corrosion kuj. Tsis tas li ntawd, phosphorus thiab sulfur cov ntsiab lus yuav tsum tau tswj nyob rau theem qis kom ntseeg tau tias cov khoom purity thiab processability. Lub xub ntiag ntawm cov kab mob xws li chromium, tooj liab, npib tsib xee thiab niobium tuaj yeem cuam tshuam rau qee yam khoom ntawm cov kav hlau, xws li kub tsis kam lossis corrosion kuj.

Ntxiv nrog rau cov tshuaj muaj pes tsawg leeg, cov txheej txheem tsim khoom, cov txheej txheem kev kho cua sov thiab lwm yam kev ua tau zoo ntawm lub cev ntawm P235TR1 steel yeeb nkab kuj tseem ceeb cuam tshuam rau nws qhov kev ua tau zoo kawg. Feem ntau, cov tshuaj muaj pes tsawg leeg ntawm P235TR1 steel yeeb nkab yog ib qho tseem ceeb los xyuas kom meej tias nws ua tau raws li cov qauv tsim nyog thiab tuaj yeem ua tau raws li cov hom phiaj engineering.