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2019 Good Quality China Q235 Hot Dipped Galvanized Round Steel Pipe for Water Conservancy

2019 Good Quality China Q235 Hot Dipped Galvanized Round Steel Pipe for Water Conservancy

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  • Origin: China
  • Shipping: 20ft, 40ft, bulk vessel
  • Port: Tianjin
  • Payment Terms: L/C,T/T,western union
  • Product Detail

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    The business upholds the philosophy of "Be No.1 in high-quality, be rooted on credit and trustworthiness for growth", will keep on to serve previous and new prospects from home and overseas whole-heatedly for 2019 Good Quality China Q235 Hot Dipped Galvanized Round Steel Pipe for Water Conservancy, Being a young increasing organization, we might not the best, but we have been trying our best for being your very good partner.
    The business upholds the philosophy of "Be No.1 in high-quality, be rooted on credit and trustworthiness for growth", will keep on to serve previous and new prospects from home and overseas whole-heatedly for China 10# 20# Q195 Q235 Q345 42CrMo 16mn St52, Galvanized Gi, We adopt advanced production equipment and technology, and perfect testing equipment and methods to ensure our product quality. With our high-level talents, scientific management, excellent teams, and attentive service, our solutions are favored by domestic and foreign customers. With your support, we will build a better tomorrow!
    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 grade

    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.

    Notes                                                                                                                                                                   a)  If necessary,alloying elements other than specified in this table may be added.                                                                                                b)  For the tube of grade STK540 exceeding 12.5 mm in wall thickness,the chemical composition may be subject to the aggreement between the purchaser and the manufacturer.                                                           

     

     

    Table 2. Mechanical Properties

    Symbol of grade

    Tensile strength      N/mm²

    Yield point of proof stress              N/mm²

    Tensile strength in weld zone         N/mm²

    Flattening

    Bendability

    Distance between plates(H)

    Bend angle

    Inside radius

    Applied outside diameter

    All outside diameters

    All outside diameters

    All outside diameters

    All outside diameters

    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

    NOTE 1 D of this table is the outside diameter of the tubes.                                                                                                                              NOTE 2 1 Nmm²=1MPa

     


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