Short Description

Model No.: ASME-B16.9-ASTM-B363-Titanium-Equal-Tee

China Titanium Equal Tee Manufacturer www.steeljrv.com supplies ASTM B363 Titanium Equal Tee.

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Key Specifications / Features

Type: Titanium Equal Tee
Material: Grade 1 (UNS R50250), Grade 2 (UNS R50400), Grade 5 (UNS R56400), Grade 7 (UNS R52400),Grade 9 (UNS R56320), Grade 12 (UNS R53400),etc
Size: 1/248” (DN20-DN1200)
Wall Thickness: SCH5S-SCHXXS
Ends: Plain Ends (PE); Threaded Ends (TE); Bevelled Ends (BW); Grooved Mechanical Joints or Grooved Ends
Standard: ASTM B363

Titanium equal tee/titanium straight tee, which is the connecting part of titanium pipe fittings and titanium pipes. Its three ends can be connected to pipe fittings. The branch pipe and the other two pipe fittings are the same diameter tee. Equal tees are commonly used in the construction and maintenance of petrochemical, petroleum and natural gas, liquefied gas, fertilizer, power plants, nuclear power, shipbuilding, papermaking, pharmaceuticals, food hygiene, urban construction and other industrial projects.
In industry feild, the request to the pressure of titanium tee is high, and the maximum pressure can reach 1325 lbs.

Chemical Composition % of Titanium Equal Tee

STANDARD CHEMICAL COMPOSITION (weight %, ma√ or range)
Grade UNS N C H Fe O Al V Pd Mo Ni
No
GR 1 R50250 0.03 0.08 0.015 0.2 0.18
GR 2 R50400 0.03 0.08 0.015 0.3 0.25
GR 3 R50550 0.05 0.08 0.015 0.3 0.35
GR 4 R50700 0.05 0.08 0.015 0.5 0.4
GR 5 R56400 0.05 0.08 0.015 0.4 0.2 5.5-6.75 3.5-4.5
GR 7 R52400 0.03 0.08 0.015 0.3 0.25 0.12-0.25
GR 9 R56320 0.03 0.08 0.015 0.25 0.15 2.5-3.5  2.0-3.0 
GR 12 R53400 0.03 0.08 0.015 0.3 0.25 0.2-0.4 0.6-0.9
GR 23 R56401 0.03 0.08 0.0125 0.25 0.13 5.5-6.5 3.5-4.5

Mechanical Properties of Titanium Equal Tee

STANDARD CHEMICAL COMPOSITION (weight %, ma√ or range) MECHANICAL PROPERTIES (min)
Grade UNS Tensile Yield El. Red.
No Mpa Mpa % %
GR 1 R50250 240 138 24 30
GR 2 R50400 345 275 20 30
GR 3 R50550 450 380 18 30
GR 4 R50700 550 483 15 25
GR 5 R56400 895 828 10 25
GR 7 R52400 345 275 20 30
GR 9 R56320 620 483 15 25
GR 12 R53400 483 345 18 25
GR 23 R56401 828 759 10 15

China Titanium Equal Tee Manufacturer www.steeljrv.com supplies ASTM B363 Titanium Equal Tee.

Pipe tee has three branches that can change fluid direction. It has T-shaped or Y-shaped, and include Equal Tee and Equal Tee (Reducer Tee). Steel tee is widely used in pipe networks for convey liquids and gases.

  • Equal tee: Three branches of tee have same diameters. Also named as Straight Tee.
  • Reducing tee (Reducer Tee): The branch diameter is smaller than main diameter. The reducing tee is usually described as NPS diameters in 4″ x 4 x 3,  where 4 is the main line pipe diameter, and 3 is the reducing branch.

Butt weld tee is widely used in petroleum, aerospace pharmacy, chemical industry, metallurgy, electric power, military industry, engineering support and other industrial pipelines.

Ends in plain or beveled, connected by butt welding process. It can withstand higher pressure than other types. The size of butt weld tee should be specified in pipe NPS (DN) and thickness in schedule, where the socket weld tee or thread tee thickness should be specified in the pressure level.

Butt weld tee is divided into seamless cold-drawn tee and seam welding tee in the production process.

Dimensions butt welded Straight Tees
ASME B16.9 NPS 1/2 – 48

tee eq - ASME B16.9 ASTM B363 Titanium Equal Tee
NPS O.D.
D
Center to End
C
Center to End
M
1/2 21.3 25 25
3/4 26.7 29 29
1 33.4 38 38
42.2 48 48
48.3 57 57
2 60.3 64 64
73 76 76
3 88.9 86 86
101.6 95 95
tee eq - ASME B16.9 ASTM B363 Titanium Equal Tee
NPS O.D.
D
Center to End
C
Center to End
M
4 114.3 105 105
5 141.3 124 124
6 168.3 143 143
8 219.1 178 178
10 273 216 216
12 323.8 254 254
14 355.6 279 279
16 406.4 305 305
18 457 343 343
20 508 381 381
22 559 419 419
24 610 432 432
tee eq - ASME B16.9 ASTM B363 Titanium Equal Tee
NPS O.D.
D
Center to End
C
Center to End
M
26 660 495 495
28 711 521 521
30 762 559 559
32 813 597 597
34 864 635 635
36 914 673 673
38 965 711 711
40 1016 749 749
42 1067 762 711
44 1118 813 762
46 1168 851 800
48 1219 889 838

Dimensions are in millimeters unless otherwise indicated. Wall thickness (t) must be specified by customer.
Outlet dimension (M) for NPS 26 and larger is recommended but not required.

DIMENSIONAL TOLERANCES STRAIGHT TEES ASME B16.9

Nominal Pipe Size

1/2 to 2½

3 to 3½

4

5 to 8

10 to 18

20 to 24

26 to 30

32 to 48

Outside Dia

at Bevel (D)

+1.6

-0.8

1.6

1.6

+2.4

-1.6

+4

-3.2

+6.4

-4.8

+6.4

-4.8

+6.4

-4.8

Inside Dia at End

0.8

1.6

1.6

1.6

3.2

4.8

+6.4

-4.8

+6.4

-4.8

Center to End (C / M)

2

2

2

2

2

2

3

5

Wall Thk (t)

Not less than 87.5% of Nominal Wall Thickness

Dimensional tolerances are in millimeters unless otherwise indicated and are equal ± except as noted.

Note:
MSS SP-43 only covers stainless steel buttweld fittings made for use with Schedule 5S and 10S pipe and Stub Ends suitable for use with Schedule 40S pipe, as defined in ASME B36.19. The dimensions and dimensional tolerances defined in MSS SP-43 are substantially the same as those in ASME B16.9 specifications from NPS 1/2 – NPS 24. Except with regard to the outside diameter at the bevel.

How to Calculation Weight of Pipe Tees

The weight of Equal Tee(ASME B16.9) equals to: 

  • 0.02466 x (S+1.5) x (D-S-1.5) x (3C-D/2) / 1000

S – Wall thickness
D – Outside Diameter of the tee
C – Center to End Length
*All units are in mm.
The weight of primary class reducing tee is 94% of its equal type.
The weight of second class reducing tee is 91% of its equal type.
The weight of third class reducing tee is 89% of its equal type.
The weight of fourth class reducing tee is 86% of its equal type.

Production process of pipe tee

Hydraulic bulging

The hydraulic bulging of the tee is a forming process in which the branch pipe is expanded by the axial compensation of the metal material. The process is to use a special hydraulic machine to inject liquid into the tube blank with the same diameter of pipe tee, and to simultaneously press the two horizontal side cylinders of the hydraulic machine to press the tube blank, the volume of the tube blank becomes smaller, and the tube blank is compressed. The liquid becomes smaller as the volume of the tube blank becomes smaller, and when the pressure required for the expansion of pipe tee branch pipe is reached, the metal material flows along the cavity of the mold under the double action of the liquid pressure in the side cylinder and the tube blank to swell out of the branch pipe.
pipe tee hydraulic bulging process can be formed at one time, and the production efficiency is high; the main pipe and shoulder wall thickness of pipe tee are increased.
Due to the large tonnage of the equipment required for the hydraulic bulging process of the seamless tee, it is currently mainly used for the manufacture of standard wall thickness tees smaller than DN400. The suitable forming materials are low carbon steel, low alloy steel and stainless steel with relatively low cold work hardening tendency, including some nonferrous metal materials such as copper, aluminum and titanium.

Hot press forming

Pipe tee hot press forming is a process in which a tube blank having a diameter larger than a Pipe tee diameter is flattened to a diameter of a tee.
a hole is opened in the portion of the stretching branch pipe; the tube blank is heated, placed in a forming mold, and a die of the stretching branch pipe is loaded into the tube blank; under the action of the pressure, the tube blank is radially compressed and compressed in the radial direction. During the process, the metal flows toward the branch pipe and forms a branch pipe under the drawing of the die. The entire process is formed by the radial compression of the tube blank and the stretching process of the branch portion. Different from the hydraulic bulging tee, the metal of the hot-pressed Pipe tee branch pipe is compensated by the radial movement of the tube blank, so it is also called the radial compensation process.
Due to the use of heated tees, the tonnage of the equipment required for material forming is reduced. The hot press tee has wide adaptability to materials, and is suitable for materials of low carbon steel, alloy steel and stainless steel; especially for tees with large diameter and thick wall, this forming process is usually adopted.
Reasons and solutions for the deviation of the angle of pipe tees during the manufacturing process
(1) The pipe tee is prone to angular offset, the surface is not flat, the diagonal of the nozzle is not equal, and the bite is not strict. The main reasons for this are:

  • 1) The straight angle of the inner and outer arcs is not accurate. The thickness of the material itself is not considered. After the finished product is formed, the phenomenon that the outer arc piece is short and the inner arc piece is long is formed, which affects the angle.
  • 2) Two planes with curved lines are ruled.
  • 3) Small holes appear in the outer corner of pipe tee outer arc.
  • 4) The width of the joint angle bite is not equal, and the force at the bite is uneven.

(2) The main prevention methods are:

  • 1) Find the material with a corrected square. The pipe tee is unfolded with the dimensions R1 and R2, and the width should be increased by the margin of the hem to prevent the pipe tee from being installed improperly.
  • The lengths of the back and inside of the elbow are 1.57R1 and 1.57R2, respectively. The accuracy of the arc should be guaranteed.
  • 2) After the two large pieces are unrolled, the ends of the sheets should be strictly angled. The two flat sheets with curvature are overlapped, and the shape coincidence error is checked and the deviation is allowed.
  • Adjustment.
  • 3) Small holes appearing in the outer arc corner of pipe tee, and can be repaired by soldering for the stainless steel plate.
  • 4) When making a manual bite, make sure the width is appropriate, ensure the size of the tee, and ensure that the force is even when the mouth is bitten.

Factory inspection of pipe tee

The chemical composition of pipe tees shall be checked and accepted according to the material list. If there are special requirements, the re-inspection may be carried out according to the standard requirements. The arbitration backwashing method is in accordance with the relevant standards.
The surface of the tee should be free of cracks, pores, undercuts, slag inclusions, and the inside and outside must be smooth. There should be no scratches, negative pits and straightening defects that are beyond the tolerance of the wall thickness of the steel pipe. The fracture should be free of burrs. The appearance inspection of the pipe tee is visually inspected under good daylight illumination (a 5x magnifying glass is available).
In terms of size, the dimensional inspection of the tee is measured with a measuring instrument of corresponding accuracy.
Appearance test: pipe tees shall be submitted for acceptance in batches. Each batch shall consist of pipe fittings of the same grade, the same size and the same process. The number of pipe tees of each batch shall not exceed a certain requirement; 400 shall be 400 for nominal pass or less. Root; 200 of the nominal passages greater than 25mm.

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asme b16 9 astm b363 titanium equal tee - ASME B16.9 ASTM B363 Titanium Equal Tee
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Brand Name
YAANG
Name
ASTM B363 Titanium Equal Tee
USD 1-9999
Product Availability
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