JIS G3444

JIS G3444

Penerangan Ringkas:

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 ...


  • Asal: China
  • Penghantaran: 20 kaki, 40 kaki, kapal pukal
  • Port: Tianjin
  • Terma Pembayaran: L / C, T / T, western union
  • Detail produk

    produk Tags

    JIS G3444 Round   Steel Pipe

    diameter luar (mm): 21,7-1016,0

    Dinding Thickness (mm): 2,0-22

    Panjang: 1m-12m atau disesuaikan panjang

    Rawatan permukaan: hitam, lukisan, galvanized, dan lain-lain

    Berakhir: plain atau diulirkan kedua-dua hujung dengan satu hujung plastik cap satu hujung gandingan

    Pembungkusan: dalam bundle atau dibalut dengan kain pvc kalis air.

    Penghantaran .: pukal atau beban dalam bekas.

    Pembayaran: T / T, L / C, western union

    Permohonan: struktur, air, gas dan sebagainya.

     

    Jadual 1. Komposisi Kimia

             

    Unit:%

    Simbol gred

    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.

    Nota a) Jika perlu, unsur-unsur pengaloian lain daripada yang dinyatakan dalam jadual ini boleh ditambah. b) Bagi tiub gred STK540 melebihi 12.5 mm tebal dinding, komposisi kimia yang berkenaan tertakluk kepada aggreement di antara pembeli dan pengilang.                                                           

     

     

    Jadual 2. Mechanical Properties

    Simbol gred

    kekuatan tegangan N / mm²

    titik alah bukti tekanan N / mm²

    kekuatan tegangan dalam zon kimpal N / mm²

    mendatar

    Bendability

    Jarak antara plat (H)

    sudut Bend

    radius dalam

    Digunakan di luar diameter

    Semua diameter luar

    Semua diameter luar

    Semua diameter luar

    Semua diameter luar

    50 mm max.

    STK290

    290 min.

    -

    290 min.

    2/3 D

    90 °

    6 D

    STK400

    400 min.

    235 min.

    400 min.

    2/3 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

    NOTA 1 D jadual ini adalah diameter luar tiub. NOTA 2 1 Nmm² = 1MPa

     


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