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SHINESTAR STEEL GROUP CO., LTD

盛仕達鋼鐵股份有限公司

Bend

Short Description:


  • Keywords: Pipe Bend, Steel Pipe Bend, Hot Bend, Induction Bend, Induction Hot Bend
  • Size: NPS from 1/2''?to 72'', DN from 15 to 1800,WT: <120mm,?SCH?40/80/XXS
  • Material: Carbon Steel?--- API 5L, ASME B16.49, EN 10218 ;Alloy?Steel?--- ASTM A234;Stainless Steel?--- ASTM 312/403 304/304L/316/316L/613Ti/321/317L/310S
  • Bend Radius: 2.5D/3D/4D/5D/6D/7D/8D/9D/10D
  • Bend Angle: ?15/30/45/60/90/135/180 deg
  • Ends: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
  • Delivery: BKS, NBK,BK ,BKW, GBK(+A), NBK(+N), BK(+C)
  • Payment: TT, LC , OA , D/P
  • Packing: Packed in Wood Cabins/Wood Tray
  • Usage: For conveying gas, water and oil either in the oil or natural gas industries
  • Product Detail

    Specification

    Standard

    Painting & Coating

    Packing & Loading

    Bend tubing:

    Tube bending is the umbrella term for metal forming processes used to permanently form pipes or tubing. One must differentiate between form-bound and free?form-bending procedures, as well as between heat supported and cold forming procedures.

    Processes:

    Press bending:

    Press bending is probably the first bending process used on cold pipes and tubing

    Rotary draw bending:

    Full tooling for rotary draw bending

    Rotary draw bending (RDB) is a precise technology, since it bends using tooling or “die sets” which have a constant center line radius (CLR), alternatively indicated as mean bending radius (Rm).

    Roll bending

    During the roll bending process the pipe, extrusion, or solid is passed through a series of rollers (typically three) that apply pressure to the pipe gradu


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  • For Wrought Product (WP) Dimension is covered in

    ASME B16.9- which is standard for Factory-made Wrought Butt-welding Fittings for size NPS 1?? to NPS 48and

    And B16.28- which is standard for Wrought Steel Butt-Welding Short Radius Elbows and Returns for size NPS 1?? to NPS 24

    the specificatio of bend

    NOMINAL PIPE SIZE OUTSIDE DIAMETER BACK TO FACE CENTER TO CENTER
    Inch. OD A B C D
    1/2 21.3 48 76
    3/4 26.7 43 57
    1 33.4 56 41 76 51
    1 1/4 42.2 70 52 95 64
    1 1/2 48.3 83 62 114 76
    2 60.3 106 81 152 102
    2 1/2 73 132 100 191 127
    3 88.9 159 121 229 152
    3 1/2 101.6 184 140 267 178
    4 114.3 210 159 305 203
    5 141.3 262 197 381 254
    6 168.3 313 237 457 305
    8 219.1 414 313 610 406
    10 273.1 518 391 762 508
    12 323.9 619 467 914 610
    14 355.6 711 533 1067 711
    16 406.4 813 610 1219 813
    18 457.2 914 686 1372 914
    20 508 1016 762 1524 1016
    22 559 1118 838 1676 1118
    24 610 1219 914 1829 1219

     

    Pipe Fittings Dimensions Tolerance as per ASME B16.9

    the specificatio of bend-01

    NOMINAL PIPE SIZE ALL FITTINGS ALL FITTINGS ALL FITTINGS ELBOWS AND TEES 180 DEG RETURN BENDS 180 DEG RETURN BENDS 180 DEG RETURN BENDS REDUCERS CAPS
    NPS O.D. at Bevel (1), (2) I.D. at End
    (1), (3), (4)
    Wall Thickness (3) Centre-to-End Dimension A,B,C,M Centre-to-Centre O Back-to-Face K Alignment of Ends U Overall Length H Overall Length E
    ? to 2? 0.06
    -0.03
    0.03 Not less than 87.5% of nominal thickness 0.06 0.25 0.25 0.03 0.06 0.12
    3 to 3 ? 0.06 0.06 Not less than 87.5% of nominal thickness 0.06 0.25 0.25 0.03 0.06 0.12
    4 0.06 0.06 Not less than 87.5% of nominal thickness 0.06 0.25 0.25 0.03 0.06 0.12
    5 to 8 0.09
    -0.06
    0.06 Not less than 87.5% of nominal thickness 0.06 0.25 0.25 0.03 0.06 0.25
    10 to 18 0.16
    -0.12
    0.12 Not less than 87.5% of nominal thickness 0.09 0.38 0.25 0.06 0.09 0.25
    20 to 24 0.25
    -0.19
    0.19 Not less than 87.5% of nominal thickness 0.09 0.38 0.25 0.06 0.09 0.25
    26 to 30 0.25
    -0.19
    0.19 Not less than 87.5% of nominal thickness 0.12 0.19 0.38
    32 to 48 0.25
    -0.19
    0.19 Not less than 87.5% of nominal thickness 0.19 0.19 0.38 

    Nickel Alloy

    ASTM / ASME SB 336 UNS 2200 ( NICKEL 200 ), UNS 2201 (NICKEL 201 ), UNS 4400 (MONEL 400 ), UNS 8020 ( ALLOY 20 / 20 CB 3, UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600 ), UNS 6601 ( INCONEL 601 ), UNS 6625 (INCONEL 625), UNS 10276 ( HASTELLOY C 276 )

    Stainless Steel

    ASTM / ASME SA 403 GR WP “S” / “W” / ” WX” 304 , 304L, 304H, 304N, 304LN, 309, 310H, 316, 316H, 317, 317L, 321, 321H, 347, 347 H.

    Duplex Steel

    ASTM / ASME SA 815 UNS NO.S 31803, S 32205, S 32550, S 32750, S 32760.

    Carbon Steel

    ASTM / ASME A 234 WPB, WPC ASTM / ASME A 860 WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.

    Alloy Steel

    ASTM / ASME A 234 WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 23, WP 91.

    Chemical Composition Content Mechanical Properties
    Material NO C Mn Si S P Cr Mo Ni Tensile strength Yield strength Elongation
    A234 WPB 0.3 0.29-1.06 0.1 0.058 0.05 / / / 415-585 240 30
    A234 WP5 0.15 0.6 0.5 0.04 0.03 4-6 0.44-0.65 / 415-585 205 20
    A403 WP304 0.08 2 1 0.040 0.030 18-20 / ?8-11 515 205 30
    A403 WP316L 0.03 2 1 0.045 0.03 16-18 2-3 ?10-15 485 170 30
    WPHY60 0.20 1-1.45 0.15-0.4 0.015 0.030 / / / 515 415 /

    Light?Oiling,?Black?Painting,?PE?/3PE Anti-corrosion Coating

    Hot induction bend planking requirements

    We focus on every procedure to assure quality ,the package we usually take is plank the steel pipe elbows with environmental poly bags,and then in free fumigation wooden cases or wooden plate.we also accept customized package such as OEM by negotiation.

    1. material shall be packed ready for export in a manner which allows easy handling and prevents damage,vendor shall submit their standard packing procedure to purchaser for approval.
    2. Open ends of fitting and flanges shall be supplied with heavy duty plastic protective plugs or caps.For beveled ends ,the caps shall protect the full area of the bevel.
    3. Water proof barrier material shall be used for stainless steel material to protect against chlorine attack by exposure to salt water atmosphere.
    4. Carbon steel and stainless steel items are not allowed to be stored together and shall be packed separately.the packing of bending
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