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      Cangzhou Spiral Steel Pipes Group Co.,Ltd.

    2. Current location-Return Home > Spiral steel pipe >
      l290 Spiral steel pipe
      Release date:2016-11-07

      l290Spiral steel pipe l360Spiral steel pipe

      l290Spiral steel pipe                                                                                l360 spiral steel pipe

      L290 spiral steel pipe, L360 spiral pipe specifications price list

      GB spiral pipe name GB spiral steel pipe size (diameter * wall thickness) GB spiral pipe name GB spiral steel pipe size (diameter * wall thickness)
      219Spiral steel pipe 219*6 219*7 219*8 273Spiral steel pipe 273*6 273*7 273*8
      325Spiral steel pipe 325*6 325*7 325*8 325*9 325*10 426Spiral steel pipe 426*6 426*7 426*8 426*9 426*10 426*11 426*12
      630Spiral steel pipe 630*6 630*7 630*8 630*9 630*10 630*12 630*14 630*16 720Spiral steel pipe 720*6 720*7 720*8 720*9 720*10 720*12 720*14 720*16
      820Spiral steel pipe 820*6 820*7 820*8 820*9 820*10 820*12 820*14 820*16 920Spiral steel pipe 920*6 920*7 920*8 920*9 920*10 920*12 920*14 920*16
      1020Spiral steel pipe 1020*10 1020*12 1020*14 1020*16 1020*18 1020*20 1120Spiral steel pipe 1120*10 1120*12 1120*14 1120*16 1120*18 1120*20
      1220Spiral steel pipe 1220*10 1220*12 1220*14 1220*16 1220*18 1220*20 1420Spiral steel pipe 1420*10 1420*12 1420*14 1420*16 1420*18 1420*20
      1620Spiral steel pipe 1620*10 1620*12 1620*14 1620*16 1620*18 1620*20 1820Spiral steel pipe 1820*10 1820*12 1820*14 1820*16 1820*18 1820*20
      2020Spiral steel pipe 2020*10 2020*12 2020*14 2020*16 2020*18 2020*20 2220Spiral steel pipe 2220*10 2220*12 2220*14 2220*16 2220*18 2220*20
      2420Spiral steel pipe 2420*10 2420*12 2420*14 2420*16 2420*18 2420*20 2620Spiral steel pipe 2620*10 2620*12 2620*14 2620*16 2620*18 2620*20
      2820Spiral steel pipe 2820*10 2820*12 2820*14 2820*16 2820*18 2820*20 3020Spiral steel pipe 3020*10 3020*12 3020*14 3020*16 3020*18 3020*20
      L290 (X42) spiral steel yield strength 290MPa
      L290 mechanical properties of spiral steel pipe
      Mechanical properties
      chemical composition
       
      Yield Strength
      tensile strength
      Elongation
      C
      Si
      Mn
      S
      P
       
      MPa
      kg/mm²
      MPa
      kg/mm²
      min
      不大于
      no greater than
      no greater than
       
      Q215AQ215B
      215
      22
      335-410
      34-42
      31
      0.09-0.15
      0.03
      0.25-0.55
      0.0500.045
      0.045
      Q235AQ235B

      Q235C

      Q235D


      Spiral steel pipe
      235
      24
      375-460
      38-47
      26
      0.14-0.220.12-0.20

      ≤0.18

      ≤0.17
      0.30
      0.30-0.650.30-0.70

      0.35-0.80

      0.35-0.80
      0.500.45

      0.40

      0.035
      0.0450.045

      0.040

      0.035
      16Mn(Q345B)
      345
      35
      510-600
      51.60
      22
      0.12-0.20
      0.20-0.55
      1.2-1.6
      0.045
      0.045
      X42
      289
      29.5
      413
      42.1
       
      0.28
      -
      1.25
      0.030
      0.030
      X52
      358
      36.5
      455
      46.4
      0.30
      -
      1.35
      0.030
      0.030
      X56
      386
      39.4
      489
      49.9
      0.26
      -
      1.35
      0.030
      0.030
      X60
      413
      42.1
      517
      52.7
      0.26
      -
      1.35
      0.030
      0.030
      X65
      448
      45.7
      530
      54.0
      0.26
      -
      1.40
      0.030
      0.030
      X70
      482
      49.2
      565
      57.6
      0.26
      -
      1.40
      0.030
      0.030
      L245
      245
       
      415
       
      21
      0.26
       
      1.15
      0.030
      0.030
      L290
      290
       
      415
       
      21
      0.28
       
      1.25
      0.030
      0.030
      L360
      360
       
      460
       
      19
      0.3
       
      1.25
      0.030
      0.030

       

      L290 spiral steel pipe, L360 spiral steel pipe process
      Inspection of raw materials - Uncoiling - First flat - Cut to butt welding - Finishing - Milling - Delivery - Molding inside and outside welding - Welding slag clearance External inspection - Automatic repair welding, X-ray inspection, filming and Manual ultrasonic re-inspection - pipe end groove machining - hydrostatic pressure test - automatic length measurement weighing - spray signs - the final inspection - storage

      l290Spiral steel pipe、L360Spiral steel pipe工藝流程

      L290 spiral steel pipe, L360 spiral steel pipe use
      L290 spiral steel pipe is an important structural parts of machine tools, such as connecting rods, bolts, gears and shafts. Hardness after tempering is generally HB200-330.
      Double - sided submer
      Cement mortar anti -
      API Spiral steel pipe
      L360 spiral steel pip
      Prefabricated polyure
      l290 Spiral steel pip
      q345b Spiral steel pi
      Three cloth four oil
      日本高清视频在线一本视频

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