1. EN 10297 X1NCrMoCu25-20-5 yog dab tsi?
Teb:
EN 10297 X1NCrMoCu25-20-5 yog asuper austenitic stainless hlau seamless rajTxheem raws li EN 10297, muaj npe nrov rau nws qhov tshwj xeeb corrosion kuj nyob rau hauv ib puag ncig hnyav.
Lub ntsiab lus tseem ceeb:25% Ni, 20% Cr, 5% Mo, thiab 1.5% Cu.
Qib sib npaug:UNS N08904 (904L), DIN 1.4539.
Feature tseem ceeb:Tawm tsis kam muspitting, crevice corrosion, thiab kev nyuaj siab corrosion cracking (SCC),cu ibPREN (Pitting Resistance Equivalent Number) >35.
2. Cov khoom siv tshuab yog dab tsi?
Teb (kev kho mob annealed):
Tensile zog:490-690 MPa
Yield zog (0.2% offset):Ntau tshaj lossis sib npaug li 220 MPa
Elongation:Ntau dua lossis sib npaug li 35%
Hardness:Tsawg dua lossis sib npaug li 200 HB
Nco tseg:Cov ntsiab lus npib tsib xee thiab molybdenum siab ua kom muaj kev ruaj ntseg hauv ob qho tib si acidic thiab chloride- ib puag ncig nplua nuj.
3. Nws piv rau tus qauv 316L (X2CrNiMo17-12-2) li cas?
Teb:
Superior Corrosion Resistance:Siab dua Ni (25% vs. 12%) thiab Mo (5% vs. 2.5}%) ua rau nws zoo tagnrho rausulfuric acid, phosphoric acid, thiab seawaterdaim ntawv thov.
Copper Advantage:Cu (1.5%) txhim khu kev tiv thaiv kom tsis txhob muaj cov kua qaub (piv txwv li, sulfuric acid ntawm qis concentrations).
Tus nqi:Tseem ceeb dua tab sis tsim nyog rau kev siv tseem ceeb hauv kev lag luam.
4. Cov txheej txheem kev tsim khoom yog dab tsi?
Teb:
Vuam:Siv TIG/PAW nrog cov khoom sib txuam (xws li ER385 lossis ERNiCrMo-10). Khaws cov cua kub qis kom tsis txhob σ-theem nag lossis daus.
Machining:Kev ua haujlwm siab- tus nqi hardening yuav tsum muaj cov cuab yeej carbide ntse thiab qeeb qeeb.
Kev kho cua sov:Cov tshuaj anneal ntawm 1100-1150℃ua raws li cov cua txias kom ua kom zoo dua corrosion.
5. Qhov qhab nia no feem ntau siv rau qhov twg?
Teb:
Kev lag luam tshuaj:Reactors, piping rau sulfuric / phosphoric acid ntau lawm.
Roj & Roj:Offshore platforms, cov khoom siv hauv dej hiav txwv (tiv thaiv H₂S thiab chlorides).
Desalination:Kub exchangers thiab brine piping.
Pharmaceutical:Cov khoom siv sterilizable uas yuav tsum tau ua kom huv si ultra{0}}.
