Qhov sib txawv tseem ceeb ntawm202and304stainlesssteelsare hauv cov ntsiab lus nickel thiab chromium.202 ntu 16-18% chromium thiab 0.5-4.0% npib tsib xee, whilst304has 18-20% chromium thiab 8-10.5% npib tsib xee. ... Cov manganese pab tshwj tseg rau theem austenitic hauv thesteels, ib yam li tsis muaj nickel.
