JIS G3444

JIS G3444

Cur síos achomair:

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 ...


  • Origin: An tSín
  • Loingseoireacht: 20ft, 40ft, soitheach mórchóir
  • Port: Tianjin
  • Téarmaí Íocaíocht: L / C, T / T, Aontas Iarthar
  • Sonraigh Táirge

    Táirge Clibeanna

    JIS G3444 Babhta   Cruach Pipe

    trastomhas seachtrach (mm): 21.7-1016.0

    Wall Tiús (mm): 2.0-22

    Fad: 1m-12m nó fad saincheaptha

    Cóireála dromchla: dubh, péinteáil, galbhánaithe, etc.

    Críoch: plain nó snáithithe an dá deireadh le foirceann amháin caipín plaisteach foirceann amháin cúplála

    Pacáil: i bundle nó fillte le éadach PVC uisce-cruthúnas.

    Shipping .: mórchóir nó ualach i gcoimeádáin.

    Íocaíocht: T / T, L / C, Aontas Iarthar

    Iarratais: Struchtúr, uisce, gás agus mar sin de.

     

    Tábla 1. Ceimiceach Comhdhéanamh

             

    Aonad:%

    Siombail de ghrád

    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.

    0.30-1.30

    0.040 max.

    0.040 max.

    STK540

    0.23 max.

    0.55 max.

    1.50 max.

    0.040 max.

    0.040 max.

    Nótaí a) Más gá, féadfaidh eilimintí chóimhiotalach eile seachas a shonraítear sa tábla seo a chur leis. b) Maidir leis an feadán an STK540 ghrád mó ná 12.5 mm ar tiús bhalla, is féidir leis an comhdhéanamh ceimiceach faoi réir na aggreement idir an ceannaitheoir agus an monaróir.                                                           

     

     

    Tábla 2. Airíonna Meicniúil

    Siombail de ghrád

    Neart teanntachta N / mm²

    pointe Toradh strus cruthúnas N / mm²

    Neart teanntachta i gcrios weld N / mm²

    leata

    Bendability

    Fad idir plátaí (H)

    uillinn Bend

    ga Inside

    I bhfeidhm de thrastomhas seachtrach

    Gach trastomhais lasmuigh

    Gach trastomhais lasmuigh

    Gach trastomhais lasmuigh

    Gach trastomhais lasmuigh

    50 mm max.

    STK290

    290 min.

    -

    290 min.

    3/2 D

    90 °

    6 D

    STK400

    400 min.

    235 min.

    400 min.

    3/2 D

    90 °

    6 D

    STK490

    490 min.

    315 min.

    490 min.

    7/8 D

    90 °

    6 D

    STK800

    500 min.

    355 min.

    500 min.

    7/8 D

    90 °

    6 D

    STK540

    540 min.

    390 min.

    540 min.

    7/8 D

    90 °

    6 D

    Is NÓTA 1 D den tábla trastomhas taobh amuigh de na feadáin. NÓTA 2 1 Nmm² = 1MPa

     


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