ASTM A182 F44 stainless hlau flangeyog super austenitic stainless hlau flange nrog zoo heev corrosion kuj thiab txhua yam khoom. Ua los ntawm cov ntsiab lus xws li chromium, npib tsib xee thiab molybdenum, cov khoom siv no muaj lub zog siab thiab ductility, tso cai rau nws ua haujlwm ruaj khov hauv ntau qhov chaw corrosive.
Kev tiv thaiv corrosion ntawm ASTM A182 F44 Orifice Flanges feem ntau yog vim nws cov hlau alloy siab, tshwj xeeb hauv qib siab ntawm chromium thiab molybdenum. Cov ntsiab lus no tsim cov zaj duab xis passivation muaj zog hauv cov hlau uas tiv taus oxidation thiab corrosion.
Ntxiv nrog rau kev tiv thaiv corrosion, A182 F44 Expander Flange muaj cov khoom siv zoo heev. Nws lub zog siab thiab zoo ductility ua rau nws tuaj yeem tiv taus siab thiab kev co, kom ntseeg tau tias lub sijhawm ua haujlwm ruaj khov. Cov hlau no feem ntau muaj lub zog tawm los ntawm ntau dua 300 MPa thiab lub zog tensile siab, ua rau nws tsim nyog rau kev siv ntau yam kev lag luam xws li roj thiab roj, tshuaj, tshuaj thiab kev lag luam marine.
omposition,%
|
Ni |
Fe |
Cr |
Cu |
Mo |
N |
|
|
17.5~18.5 |
Tshuav |
19.5~20.5 |
0.5~1.0 |
6.0~6.5 |
0.18~0.22 |
|
|
C |
Mn |
P |
S |
Si |
||
|
0.002max |
1 0max |
0.030max |
0.010max |
0.80max |
||
Mechanical Properties
|
Khoom Qib |
Yield zog, Min (Mpa) |
Tensile zog, Min (Mpa) |
Elongation, Min (%) |
|
F44 |
300 |
650~820 |
28 |
ASTM SPECIFICATION
|
Cov yeeb nkab, SMLS & Welded |
Tube, SMLS & Welded |
Ntawv / phaj |
Bar / Qws |
Forging / Flange |
BW Fittings |
|
ASTM A 312 Cov Lus Qhia |
ASTM A 269 Cov khoom siv |
ASTM A 240 Cov Lus Qhia |
ASTM A276 / ASTM A479 Kev Ntsuas |
ASTM A182 Cov Lus Qhia Tshwj Xeeb |
ASTM A403 Cov khoom lag luam |
ASTM A182 Xov Flange
UNS S31254 / 254SMO / F44 / 1.4547
254SMO yog super Austenitic Stainless hlau. Nws yog tsim los nrog kev sib xyaw ua ke ntawm kev cuam tshuam toughness tsis kam rau chloride kev nyuaj siab corrosion cracking, thiab pitting thiab crevice corrosion nrog lub zog uas yog ob zaug ntawm stainless hlau 300 series.
SMO 254 flanges raws li ASTM A182 specifications thiab muaj nyob rau hauv ntau thiab tsawg los ntawm ½ nti mus rau 48 nti. Muaj cov qauv sib txawv rau qhov ntev xws li ASME, ANSI, DIN thiab lwm yam qauv thoob ntiaj teb.
Cim npe nrov: Tuam Tshoj astm a182 f44 flange manufacturers, lwm tus neeg, Hoobkas
