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S32750 Bakin Karfe Bakin Karfe Wanda Ya Bayyana Hoton
  • S32750 Bakin Karfe Bakin Karfe 1

S32750 Bakin Karfe Bakin Karfe

Takaitaccen Bayani:

Alloy 2507, tare da lambar UNS S32750, alloy ne mai kashi biyu bisa tsarin ƙarfe-chromium-nickel tare da tsarin gauraye na kusan daidai gwargwado na austenite da ferrite. Saboda ma'aunin lokaci na duplex, Alloy 2507 yana nuna kyakkyawan juriya ga lalata gabaɗaya kamar na bakin ƙarfe na austenitic tare da abubuwa masu haɗawa iri ɗaya. Bayan haka, yana da mafi girman juriya da ƙarfin samar da ƙarfi gami da ingantaccen juriya na chloride SCC fiye da takwarorinsa na austenitic yayin da yake riƙe mafi kyawun tasiri fiye da takwarorinsa na ferritic.


Cikakken Bayani

Girman Siga

Tags samfurin

Gabatarwar Samfur

Super Duplex bakin karfe kamar S32750, gauraye microstructure ne na austenite da ferrite (50/50) wanda ya inganta ƙarfi a kan ferritic da austenitic karfe maki. Babban bambanci shi ne cewa Super Duplex yana da molybdenum mafi girma da abun ciki na chromium wanda ke ba da kayan mafi girma Higher chromium shima yana haɓaka samuwar ɓangarori na tsaka-tsakin tsaka-tsaki, waɗanda ke da damuwa da haɓakar 475 ° C saboda hazo na chromium-arziƙin α' lokaci, kuma zuwa embrittlement ta sigma, chi da sauran matakai a yanayin zafi mafi girma.

Alloy 2507 (S32750) yana da babban abun ciki na nitrogen, wanda ba wai kawai yana haɓaka samuwar austenite ba kuma yana ƙara ƙarfi, amma kuma yana jinkirta samuwar matakan tsaka-tsakin tsaka-tsakin isa don ba da izinin sarrafawa da ƙirƙira na ƙimar duplex.

Matsayin yana da kyakkyawan juriya na lalata chloride, haɗe da ƙarfin injina sosai. Ya dace musamman don amfani da shi a cikin mahalli masu tayar da hankali kamar ruwan teku mai dumin chlorin da kafofin watsa labarai mai ɗauke da chloride acid.

Halayen Alloy 2507 (S32750) sune kamar haka:

● Kyakkyawan juriya ga lalata lalatawar damuwa (SCC) a cikin mahalli masu ɗaukar chloride
● Kyakkyawan juriya ga pitting da lalata lalata
● Babban juriya ga lalata gabaɗaya
● Ƙarfin injina sosai
● Kayayyakin jiki waɗanda ke ba da fa'idodin ƙira
● Babban juriya ga lalata lalata da gajiya mai lalata
● Kyakkyawan walƙiya

S32750 an tsara shi don aikace-aikacen buƙatu waɗanda ke buƙatar ƙarfi na musamman da juriya na lalata, waɗanda ake samu a cikitsarin sinadaran, petrochemical, da kayan aikin ruwan teku. Ana amfani dashi sosai a cikin binciken mai da iskar gas a cikin teku da kuma a cikin masu musayar zafi a cikin sarrafa sinadarai / sinadarai. Hakanan darajar ta dace da aikace-aikacen na'ura mai aiki da ruwa da kayan aiki a wurare masu zafi na ruwa.

Ƙayyadaddun samfur

ASTM A-789, ASTM A-790

Abubuwan Bukatun Sinadarai

Super Duplex 2507 (UNS S32750)

Abun ciki %

C
Carbon		 Mn
Manganese		 P
Phosphorous		 S
Sulfur		 Si
Siliki		 Ni
Nickel		 Cr
Chromium		 Mo
Molybdenum		 N
Nitrogen		 Cu
Copper
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
Kayayyakin Injini
Ƙarfin Haɓaka 30 Ksi min
Ƙarfin Ƙarfin Ƙarfi 75 Ksi min
Tsawaita (minti 2) 35%
Hardness (Rockwell B Scale) Babban darajar HRB

Haƙuri Girma

OD OD Toleracne Hakuri WT
Inci mm %
1/8" +0.08/-0 +/-10
1/4" +/- 0.10 +/-10
Har zuwa 1/2" +/- 0.13 +/-15
1/2" zuwa 1-1/2" , excl +/- 0.13 +/-10
1-1/2" zuwa 3-1/2" , ban da +/-0.25 +/-10
Lura: Ana iya yin shawarwari tare da haƙuri bisa ga takamaiman bukatun abokin ciniki
Matsakaicin izinin izini (naúrar: BAR)
Kaurin bango (mm)
    0.89 1.24 1.65 2.11 2.77 3.96 4.78
OD (mm) 6.35 387 562 770 995      
9.53 249 356 491 646 868    
12.7 183 261 356 468 636    
19.05   170 229 299 403    
25.4   126 169 219 294 436 540
31.8     134 173 231 340 418
38.1     111 143 190 279 342
50.8     83 106 141 205 251

Certificate na Daraja

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ISO9001/2015 Standard

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ISO 45001/2018 Standard

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Takaddun shaida na PED

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Takaddun gwajin dacewa na TUV Hydrogen

  • Na baya:
  • Na gaba:
    • A'a. Girman (mm)
    OD Thk
    BA Tube Inner surface roughness Ra0.35
    1/4" 6.35 0.89
    6.35 1.00
    3/8" 9.53 0.89
    9.53 1.00
    1/2” 12.70 0.89
    12.70 1.00
    12.70 1.24
    3/4” 19.05 1.65
    1 25.40 1.65
    BA Tube Inner surface roughness Ra0.6
    1/8" 3.175 0.71
    1/4" 6.35 0.89
    3/8" 9.53 0.89
    9.53 1.00
    9.53 1.24
    9.53 1.65
    9.53 2.11
    9.53 3.18
    1/2" 12.70 0.89
    12.70 1.00
    12.70 1.24
    12.70 1.65
    12.70 2.11
    5/8" 15.88 1.24
    15.88 1.65
    3/4" 19.05 1.24
    19.05 1.65
    19.05 2.11
    1" 25.40 1.24
    25.40 1.65
    25.40 2.11
    1-1/4" 31.75 1.65
    1-1/2" 38.10 1.65
    2" 50.80 1.65
    10 A 17.30 1.20
    15 A 21.70 1.65
    20 A 27.20 1.65
    25 A 34.00 1.65
    32A 42.70 1.65
    40A 48.60 1.65
    50A 60.50 1.65
      8.00 1.00
      8.00 1.50
      10.00 1.00
      10.00 1.50
      10.00 2.00
      12.00 1.00
      12.00 1.50
      12.00 2.00
      14.00 1.00
      14.00 1.50
      14.00 2.00
      15.00 1.00
      15.00 1.50
      15.00 2.00
      16.00 1.00
      16.00 1.50
      16.00 2.00
      18.00 1.00
      18.00 1.50
      18.00 2.00
      19.00 1.50
      19.00 2.00
      20.00 1.50
      20.00 2.00
      22.00 1.50
      22.00 2.00
      25.00 2.00
      28.00 1.50
    BA Tube, Babu buƙatu game da rashin ƙarfi na ciki
    1/4" 6.35 0.89
    6.35 1.24
    6.35 1.65
    3/8" 9.53 0.89
    9.53 1.24
    9.53 1.65
    9.53 2.11
    1/2" 12.70 0.89
    12.70 1.24
    12.70 1.65
    12.70 2.11
      6.00 1.00
      8.00 1.00
      10.00 1.00
      12.00 1.00
      12.00 1.50
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