301 Tag Nrho Hard yog cov hlau tsis xeb austenitic uas txawv ntawm lwm hom 301 uas United Performance Metals muab hauv qhov ntawd nws tau txias dov mus rau nws qhov mob tag nrho. … Hauv nws qhov mob tag nrho, hom 301 muaj lub zog tensile ntawm 185,000 PSI yam tsawg kawg nkaus, thiab qhov tsawg kawg nkaus ntawm 140,000 PSI.