• I-imeyile: richard@czlxg.com
  • I-Whatsapp: 8615822968134
    • English

    Iingenelo zeeMbhobho zeNsimbi zeBanga lesi-3 ze-A252 ezisetyenziswa ekwakheni imibhobho yamanzi amdaka kunye nepetroleum

    Iingenelo zeMibhobho yentsimbi ye-A252 Grade 3 esetyenziswa ekwakheni imibhobho yamanzi amdaka kunye nepetroleum Umfanekiso obonisiweyo
    • Iingenelo zeeMbhobho zeNsimbi zeBanga lesi-3 ze-A252 ezisetyenziswa ekwakheni imibhobho yamanzi amdaka kunye nepetroleum
    • Iingenelo zeeMbhobho zeNsimbi zeBanga lesi-3 ze-A252 ezisetyenziswa ekwakheni imibhobho yamanzi amdaka kunye nepetroleum

    Inkcazo emfutshane:

    Umbhobho wentsimbi we-A252 Grade 3, okwaziwa ngokuba yiumbhobho we-arc ongaphantsi komhlaba ojikelezayo, lukhetho oludumileyo lokwakha imibhobho yamanzi amdaka kunye neoyile. Le mibhobho yenzelwe ukumelana neemeko ezinzima kwaye inika iingenelo ezininzi kwezi zicelo.


    Iinkcukacha zeMveliso

    Iithegi zeMveliso

    Enye yezona zibonelelo ziphambili zeUmbhobho wentsimbi weBanga lesi-3 we-A252 ngamandla ayo angaqhelekanga kunye nokuqina kwayo. Le mibhobho yenziwe ngentsimbi ekumgangatho ophezulu kwaye iyakwazi ukumelana nokugqwala, ukuguguleka kunye nokuchaphazeleka. Oku kuyenza ilungele ukusetyenziswa kwimibhobho yelindle apho inokuvezwa khona zizinto ezirhabaxa kunye nemithwalo enzima. Ukongeza, amandla ayo kunye nokuqina kwayo kuyenza ifaneleke ukusetyenziswa ekwakheni imibhobho yeoyile, njengoko kufuneka imelane noxinzelelo oluphezulu kunye neemeko ezitshintshayo zendalo.

    Umgangatho  Ibanga lentsimbi Izinto ezisetyenziswa kwiikhemikhali (%) Ipropati yokuThatha Charpy(Inotshi ye-V)

    Uvavanyo lweMpembelelo
    c Mn p s Si Okunye Unikeze Amandla(Mpa) Tensile strength(Mpa) （L0=5.65 √ S0）Isantya sokuNciphisa umzuzu （%）
    ubuninzi ubuninzi ubuninzi ubuninzi ubuninzi umzuzu ubuninzi umzuzu ubuninzi U-D ≤ 168.33mm U-D ＞ 168.3mm
      

     

    GB/T3091 -2008

    		 Q215A ≤ 0.15 0.25 ＜ 1.20 0.045 0.050 0.35   

    Ukongeza i-NbVTi ngokuhambelana ne-GB/T1591-94

    		 215   335   15 > 31  
    Q215B ≤ 0.15 0.25-0.55 0.045 0.045 0.035 215 335 15 > 31
    Q235A ≤ 0.22 0.30 ＜ 0.65 0.045 0.050 0.035 235 375 15 >26
    Q235B ≤ 0.20 0.30 ≤ 1.80 0.045 0.045 0.035 235 375 15 >26
    Q295A 0.16 0.80-1.50 0.045 0.045 0.55 295 390 13 >23
    Q295B 0.16 0.80-1.50 0.045 0.040 0.55 295 390 13 >23
    Q345A 0.20 1.00-1.60 0.045 0.045 0.55 345 510 13 >21
    Q345B 0.20 1.00-1.60 0.045 0.040 0.55 345 510 13 >21
      

     

     

    GB/

    T9711-

    2011

    (PSL1)

    		 L175 0.21 0.60 0.030 0.030     

     

    Ukukhetha ukongeza enye yezinto ze-NbVTi okanye nayiphi na indibaniselwano yazo

    		 175   310   27  Inye okanye ezimbini ze-toughness index

    amandla empembelelo kunye nendawo yokucheba ingakhethwa.

    L555, jonga umgangatho.
    L210 0.22 0.90 0.030 0.030 210 335 25
    L245 0.26 1.20 0.030 0.030 245 415 21
    L290 0.26 1.30 0.030 0.030 290 415 21
    L320 0.26 1.40 0.030 0.030 320 435 20
    L360 0.26 1.40 0.030 0.030 360 460 19
    L390 0.26 1.40 0.030 0.030 390 390 18
    L415 0.26 1.40 0.030 0.030 415 520 17
    L450 0.26 1.45 0.030 0.030 450 535 17
    L485 0.26 1.65 0.030 0.030 485 570 16
      

     

     

    I-API 5L (PSL 1)

    		 A25 0.21 0.60 0.030 0.030    Kwintsimbi yebanga B,

    I-Nb+V ≤ 0.03%;

    ngentsimbi ≥ grade B, ukongeza i-Nb okanye i-V okanye eyabo

    indibaniselwano, kunye ne-Nb+V+Ti ≤ 0.15%

    		 172   310    （L0=50.8mm）ukuba

    ibalwe ngokwefomula elandelayo:

    e=1944·A0 .2/U0 .0

    A: Indawo yesampulu kwi-mm2 U: Amandla amancinci okutsalwa kwe-tensile kwi-MPa

    		  Akukho nto okanye nayiphi na

    okanye zombini

    impembelelo

    amandla kunye

    ukucheba

    indawo iyimfuneko njengomlinganiselo wokuqina.
    A 0.22 0.90 0.030 0.030   207 331
    B 0.26 1.20 0.030 0.030   241 414
    X42 0.26 1.30 0.030 0.030   290 414
    X46 0.26 1.40 0.030 0.030   317 434
    X52 0.26 1.40 0.030 0.030   359 455
    X56 0.26 1.40 0.030 0.030   386 490
    X60 0.26 1.40 0.030 0.030   414 517
    X65 0.26 1.45 0.030 0.030   448 531
    X70 0.26 1.65 0.030 0.030   483 565

    Enye inzuzo yombhobho wentsimbi we-A252 Grade 3 kukuba uguquguqukayo. Le mibhobho ifumaneka ngobukhulu obahlukeneyo nobukhulu obahlukeneyo, nto leyo eyenza ukuba ifaneleke kwiintlobo ngeentlobo zezicelo. Nokuba yakha i-small center.umgca womjelo wokuhambisa amanzi amdakaokanye umbhobho omkhulu weoyile, umbhobho wentsimbi we-A252 Grade 3 unokwenziwa ngokwezifiso ngokulula ukuhlangabezana neemfuno ezithile zeprojekthi. Ukongeza, le mibhobho inokwenziwa ibeimibhobho yesakhiwo esingenamngxuma, ukwandisa ukusetyenziswa kwazo kwiiprojekthi zokwakha.

    Ukongeza kumandla ayo kunye nokuguquguquka kwayo, umbhobho wentsimbi we-A252 Grade 3 uyaziwa nangokusebenzisa kakuhle iindleko. Le mibhobho kulula ukuyifaka kwaye ifuna ulondolozo oluncinci, nto leyo enciphisa iindleko zeprojekthi iyonke. Ukongeza, ubomi bayo obude kunye nokumelana nokugqwala kuqinisekisa ukuba inika imbuyekezo enamandla kutyalo-mali lwemijelo yamanzi amdaka kunyeumbhobho weoyile umgcaiiprojekthi zokwakha.

    Umbhobho we-SSAW

    Enye inzuzo ebalulekileyo yombhobho wentsimbi we-A252 Grade 3 kukuba uhambelana neendlela ezahlukeneyo zokwakha. Le mibhobho ingafakelwa kusetyenziswa iindlela zemveli zokumba okanye iindlela ezingenamngxuma ezifana nokubhola ngendlela ethe tye, ukugquma imibhobho okanye ukuthungela imibhobho emincinci. Oku kuguquguquka kuvumela ukufakwa okusebenzayo nokungabizi kakhulu kwiindawo ezahlukeneyo ezinzima, kuquka iindawo zasezidolophini, iindlela zamanzi kunye neendawo ezinobuthathaka kokusingqongileyo.

    Lilonke, umbhobho wentsimbi we-A252 Grade 3 unika iingenelo ezahlukeneyo zokwakha imibhobho yamanzi amdaka kunye nepetroleum. Amandla awo, ukuqina kwawo, ukuguquguquka kwawo kunye nokusebenza kakuhle kweendleko kwenza ukuba afaneleke kwezi zicelo zinzima. Nokuba zisetyenziswa ekwakheni imibhobho yamanzi amdaka okanye yeoyile, le mibhobho ibonelela ngokusebenza okuthembekileyo kunye nexabiso lexesha elide. Ngenxa yoko, ihlala iyisisombululo esikhethwayo kwiinjineli kunye nabakhi abafuna izisombululo zemibhobho ezihlala ixesha elide nezithembekileyo.

  • Ngaphambili:
  • Okulandelayo:
    • Bhala umyalezo wakho apha uze uwuthumele kuthi

    Iindidi zemveliso