Ụdị ngwaahịa

TP304L bụ ụdị ọkpọkọ nke 304L igwe anaghị agba nchara, ọ bụ obere carbon austenitic igwe anaghị agba nchara, bụ nke ọkọlọtọ ASTM A312. Igwe anaghị agba nchara 304L bụ ụdị carbon dị ala nke 304 igwe anaghị agba nchara, yana ọdịnaya carbon ya na-achịkwa n'okpuru 0.03%, nke na-enye ya nguzogide corrosion intercrystalline ka mma n'oge ịgbado ọkụ.

TP304 bụ austenitic igwe anaghị agba nchara nke 300 usoro igwe anaghị agba nchara na-ọtụtụ ebe na ulo oru ubi, karịsịa na ngwa chọrọ corrosion iguzogide na elu okpomọkụ iguzogide. TP 304 igwe anaghị agba nchara nwere 18% chromium na 8% nickel, nke na-enye ya ezigbo nguzogide corrosion na ezigbo ihe eji arụ ọrụ. A na-eji ọkpọkọ welded nke TP 304 igwe anaghị agba nchara na ụlọ ọrụ na-ebufe mmiri, gas na uzuoku, yana ihe nhazi na kemịkalụ, mmanụ ala, nhazi nri, ụlọ ọrụ ọgwụ na ike nuklia.