JIS G3444

JIS G3444

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JIS G3444 Round  Steel Pipe Outside diameter(mm):21.7-1016.0 Wall Thickness(mm): 2.0-22 Length: 1m-12m or customized length Surface treatment: black, painting, galvanized, etc. Ends:plain or threaded both end with one end plastic cap one end coupling Packing: in bundle or wrapped with water-proof pvc cloth. Shipping.: bulk or load in containers. Payment: T / T, L / C, western union Applications: structure,water,gas and so on.   Table 1. Chemical Composition           Unit:% Symbol of ...


  • Imvelaphi: China
  • Shipping: 20ft, 40ft, olukhulu
  • Port: Tianjin
  • Imiqathango Intlawulo: L / C, T / T, union entshonalanga
  • Iinkcukacha Product

    Tags Product

    JIS G3444 Round   Steel Pipe

    enobubanzi Ngaphandle (mm): 21.7-1016.0

    Wall Ukutyeba (mm): 2.0-22

    Ubude: 1m-12m okanye ubude elicwangcisiweyo

    unyango Surface: omnyama, ukupeyinta, kwalenza, njl

    Igcina: ithafa okanye azinamsonto zombini ekupheleni omnye isiphelo ngeplastiki cap kwelinye icala coupling

    Ukupakisha: in esiqhumeni okanye bujikelwe ngeqhiya PVC ngamanzi-proof.

    Shipping .: bulk okanye umthwalo kwiziphathi.

    Intlawulo: T / T, L / C, union entshonalanga

    Ezezicelo: isakhiwo, amanzi, irhasi kunye njalo njalo.

     

    Itheyibhile 1. Chemical Ukubunjwa

             

    Unit:%

    Uphawu kwibakala

    C

    Si

    MN

    P

    S

    STK290

    -

    -

    -

    0,050 max.

    0,050 max.

    STK400

    0.25 max.

    -

    -

    0,040 max.

    0,040 max.

    STK490

    0.18 max.

    0,55 max.

    1,65 max.

    0,035 max.

    0,035 max.

    STK500

    0,24 max.

    0,35 max.

    0.30 to 1.30

    0,040 max.

    0,040 max.

    STK540

    0.23 max.

    0,55 max.

    1,50 max.

    0,040 max.

    0,040 max.

    Uthi a) Ukuba kuyimfuneko, alloying izinto ngaphandle acaciswe kule theyibhile zingongezelelwa. b) Kuba ityhubhu of STK540 kwibakala elingaphezu 12.5 mm eludongeni balo babulingana nesandla, ubume zekhemikhali benikwe aggreement phakathi umthengi nomakhi.                                                           

     

     

    Table 2. Mechanical Iimpahla

    Uphawu kwibakala

    uqine N / mm²

    Sesivuno point of ntshikilelo ubungqina N / mm²

    uqine kummandla weld N / mm²

    Flattening

    Bendability

    Umgama phakathi iipleyiti (H)

    Bend angle

    radius Inside

    Zifakwe ngaphandle ubukhulu

    Zonke ngobubanzi ngaphandle

    Zonke ngobubanzi ngaphandle

    Zonke ngobubanzi ngaphandle

    Zonke ngobubanzi ngaphandle

    50 mm max.

    STK290

    min-290.

    -

    min-290.

    2/3 D

    90 °

    6 D

    STK400

    imiz 400.

    imiz 235.

    imiz 400.

    2/3 D

    90 °

    6 D

    STK490

    imiz 490.

    imiz 315.

    imiz 490.

    7/8 D

    90 °

    6 D

    STK800

    imiz 500.

    imiz 355.

    imiz 500.

    7/8 D

    90 °

    6 D

    STK540

    min-540.

    min-390.

    min-540.

    7/8 D

    90 °

    6 D

    QAPHELA 1 D kule theyibhile ke ubudeki ngaphandle kwimibhobho. QAPHELA 2 1 Nmm² = 1MPa

     


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