I-UNS S32750 Duplex Stainless Steel
I-UNS S32750/F53/2507, evame ukubizwa ngokuthi i-Alloy 2507, iqukethe u-25% we-chromium kanye no-7% we-nickel ngaphezu kwephesenti elincane lethusi ukuze kuthuthukiswe ukumelana nokugqwala okujwayelekile. Leli banga le-super duplex linikeza amandla aphezulu kanye nokumelana okuhle kakhulu nokugqwala kwe-pitting kanye ne-crevice kanye ne-chloride stress corrosion cracking. Isetshenziswa kabanzi ekuhloleni/ukukhiqiza uwoyela, uwoyela negesi, kanye nokushintshanisa ukushisa ekucubunguleni i-petrochemical/chemical.
Amafomu Atholakalayo kanye Nemininingwane
I-S32750 ishidi/ipuleti/ikhoyili: ASTM A240
I-S32750 ipayipi/ishubhu engenamthungo: ASTM A789, ASTM A790
I-S32750 ipayipi/ipayipi elishiselwe: ASTM A928
Ibha ye-S32750round:ASTM A479, ASTM A276
I-S32750 Duplex Flanges: ASTM A182 F53
Ukwenziwa kwamakhemikhali
Cr | Ni | Mo | N | Mn | Si | C | Cu | S | P |
24.0-63.0 | 6.0-8.0 | 3.0-3.5 | 0.14-0.2 | 1.2
max |
0.8
max |
0.03
max |
0.5
max |
0.02 | 0.035 |
Izakhiwo mechanical
Ukuminyana,g/c㎡ | 7.8 |
Ibanga lokuncibilika, ℃ | 1350-1390 |
Amandla aqinile, min, Mpa | 800 |
Amandla esivuno, 0.2% offset, min, Mpa | 550 |
I-Elongation, A5% | 15 |
Ukuqina, Brinell | I-310 MAX |
Izicelo
Ifaneleka ikakhulukazi ukusetshenziswa ezindaweni ezinolaka njengamanzi olwandle afudumele ane-chlorine
kanye nemidiya ene-acidic, ene-chloride. Isetshenziswa kabanzi ezindaweni zasolwandle, kanye ne-petrochemical/chemical processing.
Ukucutshungulwa kwamakhemikhali| Imishini yokukhiqiza i-Chloroethylene, i-methanol synthesis reactor, ezokuthutha i-acetic acid, nokugcinwa.
Amafutha negesi| Ukuhlola uwoyela negesi nokuhamba, imishini yokuqhekeka ye-Catalytic, imishini ye-hydrotreating.
I-alloy S32750 isetshenziswa kakhulu ezimbonini zikawoyela negesi, izimboni zasolwandle, ukucubungula amakhemikhali, nezimboni zenuzi ngenxa yamandla azo amahle kakhulu kanye nokumelana nokugqwala okuhle. I-LKALLOY ingumnikezeli ohamba phambili embonini we-S32750 namanye ama-alloys ensimbi engagqwali aphezulu. I-LKALLOY ihlinzeka ngepayipi lensimbi engagqwali i-S32750, ishubhu, ipuleti, nokufakwa kwepayipi esixazululweni esilashwe futhi esicishiwe. Imininingwane etholakalayo ye-S32550 yi-ASTM A240, ASTM A479 nokunye.