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Steel Tee

What is Steel Tee?

Steel Tee fittings are pipe connectors that facilitate the piping system’s splitting, combining, or redirection of flow. They feature three connection points: one inlet and two outlets (or vice versa). These outlets are typically positioned at a 90-degree angle to the main line.

Tee fittings are classified into two primary types:

  1. Equal Tee: All three branches have the same diameter.

  2. Reducing Tee: One branch has a smaller diameter than the other two.

Stainless Steel Tee Fittings

Stainless Steel Tee fittings are crafted from high-grade stainless steel alloys, primarily composed of iron, chromium (minimum 10.5%), and varying amounts of nickel, molybdenum, and other elements. The chromium content provides corrosion resistance, while nickel enhances strength and ductility.

Advantages 

  • Corrosion Resistance: Ideal for harsh environments, including marine and chemical industries.
  • Temperature Tolerance: Can withstand both high and low temperatures.
  • Aesthetic Appeal: Retains a polished appearance over time.
  • Longevity: Exceptional durability ensures a long service life.
  • Hygienic Properties: Suitable for food and pharmaceutical industries due to ease of cleaning and non-reactivity.

Applications

  • Chemical Processing: Resistant to corrosive chemicals.
  • Food and Beverage Industry: Hygienic and non-contaminating.
  • Oil and Gas: Handles high-pressure and high-temperature environments.
  • Water Treatment Plants: Prevents corrosion in water systems.
  • Construction: Used in architectural structures for durability and aesthetics.
stainless-steel-equal-tee
Stainless Steel Equal Tee
Reducing Tee
Stainless Steel Reducing Tee

Carbon Steel Tee Fittings

Carbon Steel Tee fittings are mainly iron and carbon, with trace amounts of manganese, silicon, and copper. Unlike stainless steel, carbon steel lacks significant amounts of chromium and nickel, which results in lower corrosion resistance but higher strength and toughness.

Advantages 

  • Cost-Effectiveness: Generally more affordable than stainless steel.
  • High Strength: Excellent tensile strength for heavy-duty applications.
  • Weldability: Easy to weld and fabricate.
  • Pressure Resistance: Handles high-pressure environments effectively.

Applications 

  • Oil and Gas Pipelines: Ideal for high-pressure systems.
  • Power Plants: Used in steam and cooling systems.
  • Shipbuilding: Provides strength and durability.
  • Industrial Equipment: Used in machinery and structural components.
  • Water Distribution Systems: Suitable for non-corrosive water applications.
 
carbon-steel-equal-tee
Carbon Steel Equal Tee
carbon-steel-reducing-tee
Carbon Steel Reducing Tee

Tee Dimensions

Straight / Equal Tee Dimensions Chart (in lbs)

equal-tee-dimensions
Equal Tee Dimensions

NOMINAL PIPE SIZEOUTSIDE DIAMETERCENTER TO ENDLENGTH
Inch.ODCM
1/221.32525
3/426.72929
133.43838
1 1/442.24848
1 1/248.35757
260.36464
2 1/2737676
388.98686
3 1/2101.69595
4114.3105105
5141.3124124
6168.3143143
8219.1178178
10273.1216216
12323.9254254
14355.6279279
16406.4305305
18457.2343343
20508381381
22559419419
24610432432
26660495495
28711521521
30762559559
32813597597
34864635635
36914673673
38965711711
401016749749
421067762711
441118813762
461168851800
481219889838

Reducing Tee Dimensions Chart (in lbs)

reducing-tee-dimensions
Reducing tee Dimensions

NOMINAL PIPE SIZEOUTSIDE DIAMETERCENTER TO END
InchDPCM
1/2 x 3/821.317.12525
1/2 x 1/421.313.72525
3/4 x 1/226.721.32929
3/4 x 3/826.717.12929
1 x 3/433.426.73838
1 x 1/233.421.33838
1 1/4 x 142.233.44848
1 1/4 x 3/442.226.74848
1 1/4 x 1/242.221.34848
1 1/2 x 1 1/248.342.25757
1 1/2 x 148.333.45757
1 1/2 x 3/448.326.75757
1 1/2 x 1/248.321.35757
2 x 1 1/260.348.26460
2 x 1 1/460.342.26457
2 x 160.333.46451
2 x 3/460.326.76444
2 1/2 x 27360.37670
2 1/2 x 1 1/27348.37667
2 1/2 x 1 1/47342.27664
2 1/2 x 17333.47657
3 x 2 1/288.9738683
3 x 288.960.38676
3 x 1 1/288.948.38673
3 x 1 1/488.942.28670
3 1/2 x 3101.688.99592
3 1/2 x 21/2101.6739589
3 1/2 x 2101.660.39583
3 1/2 x 1 1/2101.648.39579
4 x 3 1/2114.3101.6105102
4 x 3114.388.910598
4 x 2 1/2114.37310595
4 x 2114.360.310589
4 x 1 1/2114.348.310586
5 x 4141.3114.3124117
5 x 3 1/2141.3101.6124114
5 x 3141.388.9124111
5 x 2 1/2141.373124108
5 x 2141.360.3124105
6 x 5168.3141.3143137
6 x 4168.3114.3143130
6 x 3 1/2168.3101.6143127
6 x 3168.388.9143124
6 x 2 1/2168.373143121
8 x 6219.1168.3178168
8 x 5219.1141.3178162
8 x 4219.1114.3178156
8 x 3 1/2219.1101.6178152
10 x 8273.1219.1216203
10 x 6273.1168.1216194
10 x 5273.1141.3216191
10 x 4273.1114.3216184
12 x 10323.9273.1254241
12 x 8323.9219.1254229
12 x 6323.9168.3254219
12 x 5323.9141.3254216
14 x 12355.6323.9279270
14 x 10355.6273.1279257
14 x 8355.6219.1279248
14 x 6355.6168.3279238
16 x 14406.4355.6305305
16 x 12406.4323.9305295
16 x 10406.4273.1305283
16 x 8406.4219.1305273
16 x 6406.4168.3305264
18 x 16457406.4343330
18 x 14457355.6343330
18 x 12457323.9343321
18 x 10457273.1343308
18 x 8457219.1343298
20 x 18508457381368
20 x 16508406.4381356
20 x 14508355.6381356
20 x 12508323.9381346
20 x 10508273.1381333
20 x 8508219.1381324
22 x 20559508419406
22 x 18559457419394
22 x 16559406.4419381
22 x 14559355.6419381
22 x 12559323.9419371
24 x 10559273.1419359
24 x 22610559432432
24 x 20610508432432
24 x 18610457432419
24 x 16610406.4432406
24 x 14610355.6432406
24 x 12610323.9432397
24 x 10610273.1432384

Tee Weight Chart

Equal Tee Weight Chart (in lbs)

Nominal Pipe Size (NPS)Schedule 40Schedule 80Schedule 160
1/2″1.01.31.8
3/4″1.41.82.5
1″1.82.43.2
1 1/4″2.33.04.0
1 1/2″3.04.15.5
2″4.26.28.3
2 1/2″6.79.813.0
3″9.414.118.7
4″14.521.628.8
5″19.028.337.7
6″24.036.048.0
8″34.051.068.0
10″47.571.094.0
12″60.090.0120.0
14″75.0112.0150.0
16″94.0141.0188.0
18″114.0171.0228.0
20″134.0201.0268.0
24″170.0255.0340.0
30″255.0382.5510.0
36″335.0502.5670.0
42″420.0630.0840.0
48″510.0765.01020.0

Reducing Tee Weight Chart (in lbs)

Run x BranchSchedule 40 (lbs)Schedule 80 (lbs)Schedule 160 (lbs)
1/2″ x 3/8″0.30.40.6
3/4″ x 1/2″0.60.91.2
1″ x 3/4″0.81.21.6
1 1/4″ x 1″1.01.52.0
1 1/2″ x 1″1.21.82.5
2″ x 1 1/2″1.82.73.6
2 1/2″ x 2″2.53.85.1
3″ x 2″3.55.37.0
3″ x 2 1/2″3.85.77.6
4″ x 3″5.58.311.0
5″ x 4″7.310.914.4
6″ x 4″9.514.218.9
6″ x 5″10.115.120.2
8″ x 6″15.523.331.1
10″ x 8″21.031.542.0
12″ x 10″28.042.056.0
14″ x 12″36.054.072.0
16″ x 12″44.066.088.0
18″ x 16″56.084.0112.0
20″ x 16″68.0102.0136.0
24″ x 20″96.0144.0192.0
24″ x 10″80.0120.0160.0

Applications

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

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