420 pā kila kilano ka martensitic stainless steel, ka mea i loaʻa i kekahi mau lole pale a me ka corrosion kū'ē, kiʻekiʻe paʻakikī, a me ke kumu kūʻai haʻahaʻa ma mua o 'ē aʻe kuhiliʻole kila ano. 420 kuhiliʻole pepa mea kupono no na ano a pau o ka precision machinery, bearings, uila lako, lako, mea kani, mika, kaʻa, hale lako, etc. ka wai a me ka oxidative acid corrosion.
ʻO Kina 420 maʻamau maʻamau maʻamau maʻamau:
GB/T 3280-2015 “Pepa kila a me ke kaula hao ʻoleʻa ʻole i ʻōwili ʻia”
GB/T 4237-2015 “Pala kila wela-wela a me ke kaula kila kila”
GB/T 20878-2007 "Stainless steel a me ka wela-wela kila kila a me ka haku mele"
420 pā kila kila ma Kina:
Nā māka hou: 20Cr13, 30Cr13, 40Cr13.
Nā māka kahiko: 2Cr13, 3Cr13, 4Cr13.
Nā hiʻohiʻona a me ka hoʻohana ʻana o Kina 420 stainless steel sheet:
20Cr13 kila kila: paʻakikī kiʻekiʻe i ke kūlana kinai ʻia, kūpaʻa maikaʻi i ka corrosion. No nā ʻūhā turbine mahu.
30Cr13 kila kila: ʻoi aku ka paʻakikī ma mua o 20Cr13 ma hope o ke kinai ʻana, hoʻohana ʻia e like me nā mea ʻokiʻoki, nā nozzles, nā noho valve, nā valves, etc.
40Cr13 kila kila: ʻoi aku ka paʻakikī ma mua o 30Cr13 ma hope o ke kinai ʻana, hoʻohana ʻia e like me nā mea ʻokiʻoki, nā nozzles, nā noho valve, nā valves, etc.
Ka manawa hoʻouna: Iulai-31-2023