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          Cangzhou Spiral Steel Pipes Group Co.,Ltd.

        1. 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
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