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美标弯头壁厚重量

公称
通径
inch
公称
通径
DN
外径D 中心高 SCH5s SCH10s SCH10 SCH20  SCH30 SCH40s 
壁厚 重量 壁厚 重量 壁厚 重量 壁厚 重量 壁厚 重量 壁厚 重量
1/8" 6 10.3 - - - 1.24               1.73 -
1/4" 8 13.7 - - - 1.65   - - - - - - 2.24 -
3/8" 10 17.1 - - - 1.65   - - - - - - 2.31 -
1/2" 15 21.3 38.1 1.65 0.05 2.11 0.06 - - - - - - 2.77 0.08
3/4" 20 26.7 38.1 1.65 0.06 2.11 0.08 - - - - - - 2.87 0.10
1" 25 33.4 38.1 1.65 0.08 2.77 0.13 - - - - - - 3.38 0.15
11/4" 32 42.2 47.8 1.65 0.12 2.77 0.20 - - - - - - 3.56 0.25
11/2" 40 48.3 57.2 1.65 0.17 2.77 0.28 - - - - - - 3.68 0.36
2" 50 60.3 76.2 1.65 0.29 2.77 0.47 - - - - - - 3.91 0.65
21/2" 65 73.0 95.3 2.11 0.55 3.05 0.79 - - - - - - 5.16 1.29
3" 80 88.9 114.3 2.11 0.81 3.05 1.16 - - - - - - 5.49 2.03
31/2" 90 101.6   2.11 0.00 3.05 0.00 - - - - - - 5.74 0.00
4" 100 114.3 152.4 2.11 1.40 3.05 2.00 - - - - - - 6.02 3.85
5" 125 141.3 190.5 2.77 2.83 3.40 3.46 - - - - - - 6.55 6.51
6" 150 168.3 228.6 2.77 4.06 3.40 4.96 - - - - - - 7.11 10.14
8" 200 219.1 304.8 2.77 7.07 3.76 9.55 - - 6.35 15.94 7.04 17.62 8.18 20.36
10" 250 273.1 381.0 3.40 13.53 4.19 16.62 - - 6.35 24.99 7.80 30.52 9.27 36.08
12" 300 323.9 457.2 3.96 22.43 4.57 25.83 - - 6.35 35.69 8.83 49.25 9.53 53.03
14" 350 355.6 533.4 3.96 28.76 4.78 34.63 6.35 45.80 7.92 56.87 9.53 68.11 - -
16" 400 406.4 609.6 4.19 39.77 4.78 45.31 6.35 59.96 7.92 74.49 9.53 89.26 - -
18" 450 457.2 685.8 4.19 50.40 4.78 57.42 6.35 76.01 7.92 94.48 11.13 131.82 - -
20" 500 508.0 762.0 4.78 70.96 5.54 82.12 6.35 93.98 9.53 140.15 12.70 185.58 - -
22" 550 558.8 838.2 4.78 85.94 5.54 99.47 6.35 113.84 9.53 169.87 12.70 225.07 - -
24" 600 609.6 914.4 5.54 118.47 6.35 135.61 6.35 135.61 9.53 202.45 14.27 300.75 - -
26" 650 660.4 - - - - - 7.92 - 12.70 - - - - -
28" 700 711.2 - - - - - 7.92 - 12.70 - 15.88 - - -
30" 750 762.0 - 6.35 - 7.92 - 7.92 - 12.70 - 15.88 - - -
32" 800 812.8 - - - - - 7.92 - 12.70 - 15.88 - - -
34" 850 863.6 - - - - - 7.92 - 12.70 - 15.88 - - -
36" 900 914.4 - - - - - 7.92 - 12.70 - 15.88 - - -
38" 950 965.2 - - - - - - - - - - - - -
40" 1000 1016.0 - - - - - - - - - - - - -
42" 1050 1066.8 - - - - - - - - - - - - -
44" 1100 1117.6 - - - - - - - - - - - - -
46" 1150 1168.4 - - - - - - - - - - - - -
48" 1200 1219.2 - - - - - - - - - - - - -


An elbow is a pipe fitting installed between two lengths of pipe or tubing to allow a change of direction, usually a 180° or 90° angle, though 45° elbows are also made. The ends may be machined for butt welding (SW) or socketed welding(SW) etc.

Most elbows are available in short radius or long radius variants. When the two ends differ in size, the fitting is called a reducing elbow or reducer elbow.

Elbows are categorized based on various design features as below:

Size range:
Elbow Size

Recommended type of pipe elbows:

Materials
  • Carbon steel: ASTM/ASME A234 WPB-WPC
  • Alloy steel: --WP 22-WP 5-WP 91-WP 911
  • Low temperature steel: ASTM/ASME A402 WPL 3-WPL 6
  • High performance steel: ASTM/ASME A860 WPHY 42-46-52-60-65-70
  • Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N
    • ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti
    • ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H
Abrasion resistant elobw
SHS-self-propagating ceramic composite steel pipe and fittings, the new generation of wearable and corrosion resistant engineering pipeline, belongs to "863" Hi-tech Plan products.

It is the ideal wearable and corrosion resistant engineering pipeline, with wear resistance 15 times higher than common steel pipe, smooth inner surface, and favorable liquor resistance.

Standards
  • GB/T12459-2005 GB/T13401-2005 GB/T10752-2005 SH/T3408-1996 SH/T3409-1996
  • SY/T0609-2006 SY/T0518-2002 SY/T0510-1998
  • DL/T695-1999 GD2000 GD87-1101
  • HG/T21635-1987 HG/T21631-1990
  • ASME B16.9-2007 ASME B16.25-2007
  • MSS SP 75-2008 MSS SP 43-2008
  • CSA Z245.11-05-2005
  • EN10253-1-1999 EN10253-2-2007 EN10253-3-2008 EN10253-4-2008
  • DIN2605-1-1992 DIN2605-2-1995
  • BS1640-1-1962 BS1640-2-1962 BS1640-3-1968 BS1640-4-1968 BS1965-1-1963
  • AFNOR NF A 49-289-1990 AFNOR NF A 49-170-1-1999 AFNOR NF A 49-170-2-2009 AFNOR NF A 49-170-3-2009
  • AFNOR NF A 49-170-4-2009 ISO3419-1981 ISO5251-1981
  • JIS B2311-2009 JIS B2312-2009 JIS B2313-2009
  • ASME B16.9 Butt weld 45 degree Long Radius Elbow Dimensions
Pipe elbows
Butt Weld Pipe Fitting Bevel
  • All welded pipe fittings have bevelled end to allow for ease of welding.
  • This bevel allows for full penetration weld in most cases.
  • There are two types of bevels;
    Plain Bevel and Compound Bevel: according to the bevel of welding pipe fittings construction .
  • ASME B16.28, Buttwelding Short Radius Elbows and Returns
Industrial Processes: Bending, squeezing, pressing, forging, machining and more ANSI/ASME B16.25, Buttwelding Ends
ANSI/ASME B16.25 Standard covers the preparation of butt welding ends of piping components to be joined into a piping system by welding.
Application of pipe elbows:

Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc.

ELL & ELLS
  1. A wing of a building at right angles to the main structure.
  2. A right-angled bend in a pipe or conduit; an elbow.


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