



 Ipayipi elishiselwe elivunguzayo lenziwa ngokugingqa umugqa wensimbi wensimbi ephansi ye-carbon structural noma i-low alloy structural steel ibe ipayipi elingenalutho ngokwe-engeli ye-helix ethile (ebizwa ngokuthi i-engeli yokuma), bese i-weld amalunga epayipi. Ingakhiqiza amapayipi amakhulu ensimbi asuka emicu yensimbi emincane.
1) Ibanga: Q235B (Ilingana ne-St37.2, S235JR,ASTM A36),I-Q345B (Ilingana ne-St52.3, S355JR), 0Cr13,1Kr17,00Cr19Ni11,1Cr18Ni9,0Cr18Ni11Nb,16Mn,20#,Q345,L245,L290,40#,60#,X42,X46,X70,X80
2)Ububanzi Bangaphandle: Φ273mm-2420mm
3) Ukuqina Kodonga: 5mm-22mm
4) Ubude: 6m/12m (Singakwazi ukulungisa ubude ngokwesicelo sakho
|   I-OD yegama  |    Ukuqina Kwezindonga Ngegama mm  |  |||||||||||||||
|   5.0  |    5.5  |    6.0  |    7.0  |    8.0  |    9.0  |    10.0  |    11.0  |    12.0  |    13.0  |    14.0  |    15.0  |    16.0  |    18.0  |    20.0  |    22.0  |  |
|   273  |    33.04  |    36.28  |    39.51  |    45.92  |    
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|   323.9  |    39.32  |    43.18  |    47.04  |    54.70  |    62.32  |    69.89  |    
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  |    
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|   (325)  |    39.46  |    43.33  |    47.26  |    54.90  |    62.54  |    70.13  |    
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|   355.6  |    43.23  |    47.48  |    51.73  |    60.18  |    68.57  |    76.92  |    
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|   (377)  |    45.88  |    50.39  |    54.89  |    63.87  |    72.80  |    81.67  |    
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|   406.4  |    49.44  |    54.32  |    59.24  |    68.94  |    78.60  |    88.20  |    97.75  |    
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|   (426)  |    51.91  |    57.03  |    62.14  |    72.33  |    82.46  |    92.55  |    102.59  |    
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|   457  |    55.73  |    61.24  |    66.73  |    77.69  |    88.58  |    99.43  |    110.23  |    120.98  |    131.60  |    142.34  |    
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|   508  |    
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  |    74.28  |    86.48  |    98.64  |    110.75  |    122.81  |    134.82  |    146.78  |    158.69  |    
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|   (529)  |    
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  |    77.38  |    90.11  |    102.78  |    115.41  |    127.99  |    140.51  |    152.99  |    165.42  |    
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|   (559)  |    
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  |    81.82  |    95.29  |    108.70  |    122.07  |    135.38  |    148.65  |    161.87  |    175.04  |    
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|   610  |    
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  |    89.37  |    104.09  |    118.76  |    133.39  |    147.96  |    162.48  |    176.96  |    191.39  |    
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|   (630)  |    
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  |    92.33  |    107.54  |    122.71  |    137.82  |    152.89  |    167.91  |    182.88  |    197.80  |    
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|   (660)  |    
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  |    96.77  |    112.72  |    128.63  |    144.48  |    160.29  |    176.05  |    191.76  |    207.42  |    
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|   711  |    
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  |    104.31  |    121.52  |    138.69  |    155.80  |    172.87  |    189.88  |    206.85  |    223.76  |    
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|   (720)  |    
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  |    105.64  |    123.08  |    140.46  |    157.80  |    175.09  |    192.32  |    209.51  |    226.65  |    
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|   (762)  |    
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  |    130.33  |    148.75  |    167.12  |    185.44  |    203.72  |    221.94  |    240.11  |    258.24  |    
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|   813  |    
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  |    139.13  |    158.81  |    178.44  |    198.02  |    217.55  |    237.03  |    256.46  |    278.88  |    
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|   (820)  |    
  |    
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  |    140.34  |    160.19  |    179.99  |    199.75  |    219.45  |    239.10  |    258.71  |    276.26  |    297.77  |    317.23  |    256.01  |    394.58  |    432.96  |  
|   914  |    
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  |    178.74  |    200.06  |    222.93  |    244.95  |    266.92  |    288.84  |    310.72  |    332.54  |    354.31  |    397.74  |    440.95  |    483.96  |  
|   (920)  |    
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  |    179.92  |    202.19  |    224.41  |    246.58  |    268.70  |    290.77  |    312.79  |    334.76  |    356.68  |    400.40  |    443.91  |    486.13  |  
|   1016  |    
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  |    198.86  |    223.49  |    248.08  |    272.62  |    297.10  |    321.54  |    345.93  |    370.27  |    394.56  |    443.02  |    491.26  |    539.30  |  
|   (1020)  |    
  |    
  |    
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  |    199.65  |    224.38  |    249.07  |    273.70  |    298.39  |    322.82  |    347.31  |    371.75  |    396.14  |    44.79  |    493.23  |    541.47  |  
|   1220  |    
  |    
  |    
  |    
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  |    296.39  |    327.95  |    357.47  |    386.94  |    416.36  |    445.73  |    475.58  |    533.58  |    591.88  |    649.98  |  
|   1420  |    
  |    
  |    
  |    
  |    
  |    
  |    347.71  |    362.21  |    416.66  |    451.06  |    485.41  |    519.71  |    553.96  |    622.36  |    690.52  |    758.49  |  
|   1620  |    
  |    
  |    
  |    
  |    
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  |    397.03  |    436.46  |    475.84  |    515.17  |    554.46  |    593.60  |    632.87  |    711.14  |    789.17  |    867.00  |  
|   1820  |    
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  |    
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  |    446.35  |    490.71  |    535.02  |    579.29  |    623.50  |    667.67  |    711.79  |    799.92  |    887.81  |    975.51  |  
|   2020  |    
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  |    495.67  |    544.96  |    594.21  |    643.40  |    692.55  |    741.65  |    796.70  |    888.70  |    986.46  |    1084.21  |  
|   2220  |    
  |    
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  |    
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  |    544.99  |    599.21  |    653.39  |    707.52  |    761.60  |    815.63  |    869.61  |    977.48  |    1085.11  |    1192.53  |  
|   2420  |    
  |    
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  |    
  |    
  |    
  |    594.34  |    635.5  |    712.62  |    771.62  |    830.20  |    889.66  |    948.60  |    1066.26  |    1183.75  |    1301.  |  
(1) amapayipi ensimbi anobubanzi obuhlukene angakhiqizwa kusetshenziswa i-strip steel enobubanzi obufanayo, ikakhulukazi amapayipi ensimbi anobubanzi obukhulu angakhiqizwa ngensimbi emincane.
(2) Ngaphansi kwesimo esifanayo sokucindezela, ingcindezi ye-spiral weld incane kunaleyo ye-straight weld, engama-75% ~ 90% yaleyo yepayipi elishiselwe eqondile, ngakho ingakwazi ukuthwala ukucindezela okukhulu. Uma kuqhathaniswa nepayipi elihlanganisiwe eliqondile elinobubanzi obufanayo bangaphandle, ubukhulu bodonga bungancishiswa ngo-10% ~ 25% ngaphansi kwengcindezi efanayo.
(3) Ubukhulu bunembile, ngokuvamile ukubekezelela ububanzi kungaphansi kuka-0.12%, ukuchezuka kungaphansi kuka-1/2000, futhi i-ovality ingaphansi kuka-1%, ngakho izinqubo zokulinganisa nokuqondisa zingashiywa ngokuvamile.
(4) Ukukhiqizwa okuqhubekayo kungenzeka. Ngokombono, amapayipi ensimbi amade angenamkhawulo angakhiqizwa. Ukulahlekelwa kwekhanda nomsila wokusika kuncane, futhi izinga lokusebenzisa insimbi lingakhuphuka ngo-6% ~ 8%. (5) Uma kuqhathaniswa nepayipi elishiselwe eqondile, liyavumelana nezimo ekusebenzeni, futhi lilungele ukushintsha izinhlobo nokulungisa.
(6) Isisindo esincane semishini kanye nokutshalwa kwezimali kokuqala okuncane. Ingenziwa ibe amayunithi ahambayo ohlobo lwe-trailer ukuze kukhiqizwe amapayipi ashiselwe endaweni yokwakha lapho kubekwa khona amapayipi.
(7) Kulula ukubona imishini kanye ne-automation.
Ipayipi elishiselwe okuvunguza lisetshenziswa kakhulu kubunjiniyela bamanzi kampompi, imboni ye-petrochemical, imboni yamakhemikhali, imboni yamandla kagesi, ukuchelela ngenkasa kwezolimo kanye nokwakhiwa kwamadolobha eChina. Isetshenziselwa ukuthuthwa kwamanzi: ukuhlinzekwa kwamanzi kanye nokukhipha amanzi. Ezokuthutha ngegesi: igesi yamalahle, isitimu kanye negesi ye-petroleum ewuketshezi. Isetshenziswa njengesakhiwo: isetshenziswa njengepayipi lokushayela inqwaba nebhuloho; Amapayipi amadokhi, imigwaqo kanye nezakhiwo zokwakha, njll.
           Njengoba imboni yezimpahla zensimbi yaseChina ihola amabhizinisi, ukuhweba ngensimbi kazwelonke kanye nempahla "Ikhulu lebhizinisi elithembekile", amabhizinisi okuhweba ensimbi aseChina, "Amabhizinisi azimele aphezulu ayi-100 eShanghai". I-Shanghai Zhanzhi industry Group Co., Ltd., (ifushaniswe ngokuthi iZhanzhi Group ) ithatha i-"Itegrity, Practicality, Innovation, Win-Win " njengomgomo wayo owodwa wokusebenza, iphikelela njalo ekubekeni isidingo samakhasimende endaweni yokuqala.


