2507 Super Duplex yog lub siab alloy duplex stainless hlau nrog PRE (pitting kuj sib npaug) tus nqi ntawm 42.5 yam tsawg kawg nkaus. Cov qib yog tus cwj pwm los ntawm cov tshuaj chloride corrosion zoo heev, ua ke nrog cov neeg kho tshuab siab heev. Nws yog tshwj xeeb tshaj yog haum rau siv nyob rau hauv ib puag ncig nruj xws li sov chlorinated seawater thiab acidic chloride-muaj xov xwm. Nws yog dav siv nyob rau hauv offshore roj thiab roj kev tshawb nrhiav / ntau lawm thiab nyob rau hauv tshav kub exchangers nyob rau hauv petrochemical / tshuaj ua. Qib kuj tseem tsim nyog rau kev siv hydraulic thiab ntsuas kev siv nyob rau hauv qhov chaw sov sov marine.
Kev xav tau tshuaj
Super Duplex 2507 (UNS S32750)
Cov ntsiab lus %
|
C |
Mn |
P |
S |
Si |
Ni |
Cr |
Mo |
N |
Cu |
|
0.030 max |
1.20 max |
0.035 max |
0.020 max |
0.80 max |
6.0–8.0 |
24.0–26.0 |
3.0–5.0 |
0.24–0.32 |
0.50 max |
Dimensional Tolerances
Super Duplex 2507 Stainless Hlau
|
OD |
OD Tolerance |
Phab ntsa kam rau ua |
|
Tsawg dua los yog sib npaug rau .500 " |
± .005" |
± 15% |
|
0.500"–1.500" excl |
± .005" |
± 10% |
Mechanical Properties
|
Yield zog: |
80 kwm |
|
Tensile zog |
116 hli min |
|
Elongation (min 2 ") |
15% |
|
Hardness (Rockwell C Scale) |
32 HRC max |
GNEE Steel Group yog Tuam Tshoj tus kws tshaj lij ib-nres muab cov saw hlau lag luam rau cov khoom siv hlau. Nws cov yeeb nkab stainless hlau ntau lawm tshuab tau mus txog lub ntiaj teb cov txheej txheem nruab nrab. Nws tau raug lees paub los ntawm ntau lub tuam txhab ua haujlwm thiab tau dhau los ua lub hnub qub lag luam hauv Asia. Yog xav paub ntxiv txog cov khoom siv stainless hlau, xaiv GNEE Steel.
