420 stainless hlau phajbelongs rau martensitic stainless hlau, uas muaj tej yam hnav tsis kam thiab corrosion kuj, siab hardness, thiab tus nqi qis dua lwm yam stainless hlau yam ntxwv. 420 stainless hlau ntawv yog tsim rau txhua yam ntawm precision machinery, bearings, cov khoom siv hluav taws xob, khoom siv, twj, meters, tsheb, khoom siv hauv tsev, thiab lwm yam. dej thiab oxidative acid corrosion.
Tuam Tshoj 420 stainless hlau daim ntawv tus txheej txheem:
GB / T 3280-2015 "Stainless Steel Txias Rolled Steel Sheet thiab Sawb"
GB / T 4237-2015 "Stainless steel kub dov steel phaj thiab sawb"
GB / T 20878-2007 "Stainless steel thiab kub-resistant steel qib thiab tshuaj muaj pes tsawg leeg"
420 stainless hlau phaj nyob rau 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 quenched lub xeev, zoo corrosion kuj. Rau chav turbine hniav.
30Cr13 stainless hlau: Nyuaj tshaj 20Cr13 tom qab quenching, siv los ua cov cuab yeej txiav, nozzles, valve rooj, li qub, thiab lwm yam.
40Cr13 stainless hlau: Nyuaj tshaj 30Cr13 tom qab quenching, siv los ua cov cuab yeej txiav, nozzles, valve rooj, li qub, thiab lwm yam.
Post lub sij hawm: Lub Xya hli ntuj-31-2023