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Carbon Steel ASTM A234 WPB ASME B16.9 Equal Tees

In order to convey the pipeline, it is necessary to remove the straight hose in the pipeline. When using various pipelines, various pipelines must be used.

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When the pipeline is used, the elbow must be used to change the size of the pipeline. When bifurcating, the three-way pipe connection used when the joint is used with various pipe joints, in order to reach the long-distance transmission pipeline, in order to reach the thermal expansion and cold contraction joint or effective connection aging of the pipeline, the long-distance expansion and cold contraction joint is used for the connection of the pipeline. In the connection of various instruments, there are also the connectors and plugs of the instrument phase.

 

ASTM A234 is the standard specification for pipe fittings of wrought carbon steel and alloy steel for moderate and high-temperature service. Carbon steel pipe fittings manufactured to ASMT A234 are usually furnished in butt-welding form in accordance with ASME B16.9 or ASME B16.49. There are two carbon steel grades: WPB and WPC, of which ASTM A234 WPB is mostly often used in pipeline industry. The A234 WPB butt-welding pipe fittings include elbows, bends, returns, tees, reducers, end caps, crosses, lap joint stub ends, nipples and couplings.

After forming at an elevated temperature, fittings are cooled to a temperature below the critical range under suitable conditions to prevent injurious defects caused by too rapid cooling, but in no case more rapidly than the cooling rate in still air. Heat treatment temperatures specified are metal (part) temperatures. Heat-treated fittings are to be treated according to paragraph 7 in Specification A960/A960M.

 

A234 WPB steel pipe fittings mean the pipe fitting which material is ASTM A234 WPB,they are used for the pressure piping systems of moderate and high temperature services.ASTM A234 is the standard of pipe fittings material,it indicates the materials properties of different kinds of carbon steel and alloy steel,WPB is one of the steel grade in this standard.W means weldable,P means pressure,B is grade b,refer to the minimum yield strength,like the astm A106 A53,Gr.B or API 5L Gr.B.A234 WPB is the most common carbon steel pipe fittings material.

 

Standard: ASME B 16.9, SH3408, HG/T21635, 21631, SY/T0510

Size Range: 3/4″ to 48″ / DN20 to DN1200

Thickness: Sch 10, 20, STD, 40, 80, 100, 120, 140, 160, XXS

Form: Seamless or Welded

Surface: Black Primer, Galvanized, PE Coated.

Equal Tee Weight Calculation Formula

The weight of buttweld reducing tee is based on the equal tee.

Straight Tee Weight:

Formula: 0.02466*(S+1.5)*[D-(S+1.5)]*(3C-D/2)/1000

S= Wall thickness in mm

D= Outside diameter in mm

C= Length*[out diameter-(thickness+2)]*(thickness*2)*0.02466*length, the unit is mm, too.

Equal Tee Sch 40 Weight

Schedule 40 is very common thickness for butt weld fittings. The weight unit for equal tee is kg/pc.

DN NPS 40
15 1/2 0.2
20 3/4 0.2
25 1 0.3
32 1 1/4 0.6
40 1 1/2 0.9
50 2 1.5
65 2 1/2 2.7
80 3 3.8
90 3 1/2 4.6
100 4 6.5
125 5 9.7
150 6 14
200 8 24.5
250 10 41.3
300 12 69
350 14 96
400 16 120
450 18 170
500 20 240
600 24 345
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