Niobium hauv kev lag luam steel

Txog 85% mus rau 90% ntawm lub ntiaj teb no niobium yog siv nyob rau hauv steel ntau lawm nyob rau hauv daim ntawv ntawm ferro-niobium. Los ntawm kev ntxiv tsuas yog 0.03% mus rau 0.05% niobium rau hlau, lub zog ntawm cov hlau tuaj yeem nce ntau dua 30%. Niobium tseem tuaj yeem ua rau nag lossis daus thiab tswj cov cua txias kom ua tiav qhov kev faib tawm ntawm cov nag lossis daus, kho cov qib toughness ntawm cov hlau hauv ntau yam. Yog li ntawd, qhov sib ntxiv ntawm niobium rau hlau tuaj yeem tsis tsuas yog txhim kho lub zog ntawm cov hlau, tab sis kuj txhim kho lub zog ntawm cov hlau, qhov kub thiab txias oxidation tsis kam thiab corrosion kuj, txo qhov kev hloov pauv kub ntawm cov hlau, kom cov hlau muaj qhov vuam zoo. kev ua tau zoo thiab molding zog.