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Stainless Steel Elbow

Stainless Steel Elbow

Stainless steel elbows are vital components in piping systems that facilitate directional changes in the flow of liquids, gases, or slurries. These fittings are essential in industries like petrochemical, pharmaceutical, food processing, water treatment, and more, providing strength, durability, and corrosion resistance. Stainless steel elbows come in a variety of sizes, angles, and specifications to meet different piping requirements.

What is a Stainless Steel Elbow?

A stainless steel elbow is a type of pipe fitting that allows for a change in the direction of fluid flow in a pipeline. These elbows are typically welded, but they can also be threaded or socket-welded, depending on the system’s requirements. The elbow’s function is to alter the direction of the pipe system, making it possible to redirect the flow to another pipe or process line.

Types of Stainless Steel Elbows

stainless-steel-90-degree-elbow
Stainless Steel 90 Degree Elbow
stainless-steel-45-degree-elbow
Stainless Steel 45 Degree Elbow
stainless-steel-180-degree-elbow
Stainless Steel 180 Degree Elbow

Technical Data Specification

ParameterSpecification
Material Grades304, 304L, 316, 316L, 321, 310S, 347, Duplex 2205
StandardASME B16.9, ASME B16.28, MSS SP-43, DIN 2605
TypeSeamless, Welded
Size Range1/2″ NB to 48″ NB
Wall Thickness (WT)SCH 5S, SCH 10S, SCH 40S, SCH 80S, SCH 160
Bend Radius1D, 1.5D, 2D, 3D, 5D, Custom
Connection TypeButt Weld, Socket Weld, Threaded
Angle45°, 90°, 180°, Custom
Surface FinishSandblasted, Pickled, Polished, Mirror Finish
Pressure RatingUp to 2500#
TolerancesAccording to ASME B16.9 or client specifications
End PreparationBeveled Ends (BE), Plain Ends (PE)
Corrosion ResistanceExcellent resistance to rust, pitting, and stress corrosion cracking
TestingHydrostatic Testing, Radiography Testing (RT), PMI, Hardness Testing
ApplicationsOil & Gas, Petrochemical, Power Plants, Chemical Industry, Water Treatment

Stainless Steel Elbow Dimensions

45-Degree Elbow Dimensions Chart (in lbs)

NPSO.D.
D
90 deg LR Center-to-End
A
45 deg Long Radius Center-to-End B90 deg 3D Center-to-End A45 deg 3D Center-to-End B
1/221.33816
3/426.738195724
133.438227631
42.248259539
48.3572911447
260.3763515263
73954419079
388.91145122995
101.613357267111
4114.315264305127
5141.319079381157
6168.322995457189
8219.1305127610252
10273381159762316
12323.8457190914378
14355.65332221067441
16406.46102541219505
184576862861372568
205087623181524632
225598383431676694
246109143811829757
266609914061981821
2871110674382134883
3076211434702286964
32813121950224381010
34864129553325911073
36914137256527431135
38965144860028961200
401016152463230481264
421067160066032001326
441118167669533531389
461168175372735051453
481219182975936581516

90 Degree Elbow Dimensions Chart (in lbs)

Inch.NDmillimeterCenter to centerRadiusCenter to endBack to face
DOABK
1/21521,3476,2038,1015,8747,62
3/42026,6757,1528,5711,1142,86
12533,4076,2038,1022,2255,56
1 1/43242,1695,2547,6025,4069,85
1 1/24048,26114,3057,1528,5782,55
25060,32152,4076,2034,92106,40
2 1/26573,02190,5095,2544,45131,80
38088,90228,60114,3050,80158,75
3 1/290101,60266,70133,3557,15184,15
4100114,30304,80152,4063,50209,55
5125141,30381,00190,5079,38261,90
6150168,27457,20228,6095,25312,70
8200219,07609,60304,80127,00414,30
10250273,05762,00381,00158,75517,50
12300323,85914,40457,20190,50619,10
14350355,601066,80533,40222,25711,20
16400406,401219,20609,60254,00812,80
18450457,201371,60685,80285,74914,40
20500508,001524,00762,00317,501016,00
22550558,801676,40838,20342,901117,60
24600609,601828,80914,40381,001219,20
28700711,202133,601066,80441,901422,40

180 Degree Elbow Dimensions Chart (in lbs)

Normal Pipe SizeOutside Daimeter
D
ASME 180 degree Long RadASME 180 degree Short Rad
Center to Center OBack to Face KCenter to Center OBack to Face K
1/221.37648
3/426.77651
133.476565141
1.1/442.295706452
1.1/248.3114837662
260.315210610281
2.1/273190132127100
388.9229159152121
3.1/2101.6267184178140
4114.3305210203159
5141.3381262254197
6168.3457313305237
8219.1610414406313
10273762518508391
12323.8914619610467
14355.61067711711533
16406.41219813813610
184571372914914686
20508152410161016762
22559167611181118838
24610182912191219914
Normal Pipe SizeOutside Daimeter D180 degree Long Rad180 degree Short Rad
Center to Center OBack to Face KCenter to Center OBack to Face K

Stainless Steel ELbow Weight Chart

45-degree Elbow Weight Chart (in lbs)

Nominal Pipe Size (NPS)Schedule 40Schedule 80Schedule 160
1/2″0.60.91.3
3/4″0.81.21.7
1″1.11.62.2
1 1/4″1.42.13.0
1 1/2″1.82.73.7
2″2.64.05.5
2 1/2″4.16.28.4
3″5.78.611.5
4″8.612.717.0
5″11.317.022.7
6″14.521.829.5
8″20.530.741.0
10″28.042.056.0
12″36.855.273.5
14″48.372.496.5
16″60.590.7120.5
18″74.4111.6148.0
20″89.9134.9179.5
24″114.0171.0228.0
30″162.0243.0324.0
36″212.0318.0424.0
42″274.0411.0548.0
48″352.0528.0704.0

90-degree Elbow Weight Chart (in lbs)

Nominal Pipe Size (NPS)Schedule 40Schedule 80Schedule 160
1/2″0.71.01.4
3/4″1.01.42.0
1″1.31.92.6
1 1/4″1.62.43.3
1 1/2″2.13.04.0
2″2.94.45.9
2 1/2″4.56.89.1
3″6.59.712.9
4″9.714.619.5
5″12.719.025.3
6″16.524.833.0
8″23.034.546.0
10″31.547.363.7
12″40.961.481.9
14″53.179.7106.0
16″66.099.0132.0
18″80.7121.0160.0
20″97.5146.0194.0
24″123.5185.0246.0
30″177.0265.5354.0
36″234.0351.0468.0
42″304.0456.0608.0
48″388.0582.0776.0

180 Degree Elbow Weight Chart (in lbs)

Nominal Pipe Size (NPS)Schedule 40Schedule 80Schedule 160
1/2″1.11.52.0
3/4″1.42.02.8
1″1.82.73.6
1 1/4″2.33.44.5
1 1/2″3.04.45.9
2″4.36.48.5
2 1/2″6.710.113.4
3″9.414.118.7
4″14.020.927.8
5″18.527.536.7
6″24.035.847.8
8″33.049.566.0
10″44.566.889.0
12″56.084.0112.0
14″71.0106.5142.0
16″88.0132.0176.0
18″108.0162.0216.0
20″128.0192.0256.0
24″160.0240.0320.0

Material Grade

  • 304/304L:
  1. Most widely used grade.
  2. Excellent corrosion resistance and weldability.
  3. Applications: General-purpose piping, food and beverage industry.
  • 316/316L:
  1. Enhanced corrosion resistance due to added molybdenum.
  2. Suitable for marine and highly corrosive environments.
  3. Applications: Chemical processing, pharmaceutical equipment.
  • 321:
  1. Stabilized with titanium to prevent carbide precipitation.
  2. Excellent for high-temperature applications.
  3. Applications: Heat exchangers, aerospace systems.
  • 347:
  1. Stabilized with columbium for improved intergranular corrosion resistance.
  2. Applications: High-temperature service.
  • Duplex 2205:
  1. High yield strength and excellent resistance to chloride stress corrosion cracking.
  2. Applications: Offshore oil rigs, seawater systems.
  • Super Duplex 2507:
  1. Exceptional resistance to pitting and crevice corrosion.
  2. Applications: Aggressive chemical environments, deepwater subsea systems.
  • 904L:
  1. High alloy with excellent resistance to acid attacks.
  2. Applications: Fertilizer plants, acid processing systems.
  • 410/420:
  1. High strength with moderate corrosion resistance.
  2. Applications: Wear-resistant piping, industrial processes.

Application

  • Oil and Gas Pipelines
  • Water Treatment Plants
  • Petrochemical
  • Construction
  • Pressure Vessels
  • Phosphate Mining

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