ASTM A453 Qib 660 yog cov khoom siv tshwj xeeb rau cov tub ntxhais kawm, bolts, neeg rau kev siv hauv cov kev siv hluav taws kub kub. ASTM A453 Qib 660 tau faib rau hauv 4 lub chav kawm yog A, B, C & D, txhua tus raug xaiv nrog cov khoom sib txawv thiab kev ntxhov siab tawg. Qib 660 lub fasteners tau siv nyob rau hauv bolting balting, cov hlab ntsha siab, pipeline flanges thiab li qub, npaj rau kev kub siab kub. ASTM A453 Qib 660 cov khoom siv sib npaug rau Astm B638 Qib 660 Tus Kheej Stainless Hlau Alloy, tseem tsis tau ua tiav cov khoom tau hais tseg hauv Astm A453 kev qhia tshwj xeeb.