420 stainless hlau phajyog cov hlau tsis xeb martensitic, uas muaj qee yam kev hnav tsis kam thiab kev xeb tsis kam, siab hardness, thiab tus nqi qis dua lwm cov yam ntxwv ntawm cov hlau tsis xeb. 420 stainless hlau ntawv yog tsim rau txhua yam ntawm cov tshuab precision, bearings, cov khoom siv hluav taws xob, cov khoom siv, cov twj paj nruag, meters, tsheb, cov khoom siv hauv tsev, thiab lwm yam. 420 stainless hlau kuj tseem siv rau hauv kev tsim cov khoom uas tiv taus atmospheric, dej pa, dej thiab oxidative acid corrosion.
Tuam Tshoj 420 stainless hlau daim ntawv tus qauv ua haujlwm:
GB/T 3280-2015 "Cov Hlau Stainless Txias Rolled Steel Sheet thiab Strip"
GB/T 4237-2015 "Cov hlau tsis xeb kub-kuav hlau phaj thiab kab txaij"
GB/T 20878-2007 "Cov hlau tsis xeb thiab cov hlau tiv taus cua sov thiab cov tshuaj lom neeg muaj pes tsawg leeg"
420 stainless hlau phaj hauv Suav teb:
Cov qib tshiab: 20Cr13, 30Cr13, 40Cr13.
Cov qib qub: 2Cr13, 3Cr13, 4Cr13.
Cov yam ntxwv thiab kev siv ntawm Tuam Tshoj 420 stainless hlau ntawv:
20Cr13 stainless hlau: siab hardness nyob rau hauv lub xeev quenched, zoo corrosion tsis kam. Rau cov hniav turbine pa.
30Cr13 stainless hlau: Nyuaj dua li 20Cr13 tom qab quenching, siv ua cov cuab yeej txiav, nozzles, valve rooj zaum, li qub, thiab lwm yam.
40Cr13 stainless hlau: Nyuaj dua li 30Cr13 tom qab quenching, siv ua cov cuab yeej txiav, nozzles, valve rooj zaum, li qub, thiab lwm yam.
Lub sijhawm tshaj tawm: Lub Xya Hli-31-2023