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Stainless Steel A403 WP304L Butt Weld Cap Dimentions

The function of an end cap is to block off the end of a line a piping system, This is achieved by placing the end cap over the open line and welding around the point.

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Production Description

Stainless Steel A403 WP304L Butt Weld Cap Dimentions also known as steel plug, is usually welded on the pipe end or installed on the external thread of the pipe end to cover the pipe fittings. BW steel pipe cap is a butt welded pipe fitting, and the connection method is butt welding. Therefore, the end of BW pipe cap is inclined or flat. Within the scope of butt welded pipe parts, the steel pipe cap is directly welded with the pipe to prevent the flow in the pipe system. The pipe cap has various shapes, such as semi spherical, oval, circular, etc.The pipe cap acts as a protective device to protect the pipe ends of various shapes, and can also be used to close the ends of hydraulic or pneumatic pipes. The main purpose of using pipe cap is waterproof connection.

Product features

  • Steel Pipe Cap is also called Steel Plug, it usually welded to the pipe end or mounted on the external thread of the pipe end to cover the pipe fittings.
  • To close the pipeline so the function is the same as the pipe plug.
  • It keeps the inside pipe clean from dirt, debris, and animals. The Steel Cap fits on the outer diameter (O.D.) of the pipe.
  • BW steel pipe cap is the butt weld type of fittings, connecting methods is to use butt welding. So BW cap ends in beveled or plain.

Specificaton of Stainless Steel A403 WP304L Butt Weld Cap Dimentions

Size Range 1/2″ – 80″ / DN15 – 2000
Thickness Schedule SCH 10,SCH 10S, SCH 20, SCH 40,SCH 40S, STD, XS,SCH 80, SCH 80S, SCH 100, SCH 120, SCH 160, XXS
China Standard GB/T12459, GB/T13401, HG/T21635/21631, SH3408/3409
America Standard ANSI / ASME B16.9 / MSS SP 43
apan Standard JIS B2311/2312/2313
Europe Standard EN10253
Carbon Steel Q235, 20#, 35#, 45#, 20G,ASTM A234 WPB/WPC
Low Temp Carbon Steel Q345B, 16Mn, ASTM A420 WPL6
Pipeline Steel ASTM A860 WPHY 42 / 46 / 56 / 60 / 65
Alloy Steel ASTM A234 WP11 / WP12 / WP 5 / WP9 / WP91 / WP92,15CrMoG, 12Cr1MoVG, 12Cr5Mo, 1Cr5Mo, Cr9Mo, 10CrMo910, 12CrMo4-5
Stainless Steel ASTM A403 WP304/304L/304H, 316/316L, 310S, 321, 317,347,904L
Duplex Stainless Steel ASTM A815 S32205, S31803, 32750, 32760

Steel Pipe Cross Fittings Drawing

DN NPS OD E E1
15 1/2 21.3 25 25
20 3/4 26.7 25 25
25 1 33.4 38 38
32 11/4 42.2 38 38
40 11/2 48.3 38 38
50 2 60.3 38 44
65 21/2 73.0 38 51
80 3 88.9 51 64
90 31/2 101.6 64 76
100 4 114.3 64 76
125 5 141.3 76 89
150 6 168.3 89 102
200 8 219.1 102 127
250 10 273.0 127 152
300 12 323.8 152 178
350 14 355.6 165 191
400 16 406.4 178 203
450 18 457.0 203 229
500 20 508.0 229 254
550 22 559.0 254 254
600 24 610.0 267 305
650 26 660.0 267
700 28 711.0 267
750 30 762.0 267
800 32 813.0 267
850 34 864.0 267
900 36 914.0 267
950 38 965.0 305
1000 40 1016.0 305
1050 42 1067.0 305
1100 44 1118.0 343
1150 46 1168.0 343
1200 48 1219.0 343

Production Material

8IN SCH40 Stainless Steel Butt Weld Tee Pipe Fittings mean the pipe fittings which material is wrought austenitic stainless grade WP304L,they are used for the pressure piping systems of moderate and high temperature services.ASTM A403 is the standard of pipe fittings material,it indicates the materials properties of different kinds of stainless steel,WP304L is one of the steel grade in this standard.The corrosion resistance of 304L and 304 are similar.But after eliminate stress or welding,corrosion resistance of 304L will be more excellent.ASTM A403 WP304L is the most common stainless steel pipe fittings material.

ASTM A403 WP304L Pipe Fittings Chemical Composition

Grade C Mn Si P S Cr Mo Ni N
304 min.max. -0.08 -2.0 -0.75 -0.045 -0.030 18.0-20.0 8.0-10.5 -0.10
304L min. max. – 0.030 – 2.0 – 0.75 – 0.045 – 0.030 18.0 20.0 8.0 12.0 – 0.10
304H min. max. 0.04 0.10 – 2.0 – 0.75 -0.045 – 0.030 18.0 20.0 8.0 10.5
Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
304 S30400 304S31 58E 1.4301 X5CrNi18-10 2332 SUS 304
304L S30403 304S11 1.4306 X2CrNi19-11 2352 SUS 304L
304H S30409 304S51 1.4948 X6CrNi18-11
These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.

ASTM A403 WP304L Pipe Fittings Mechanical and Physical Properties
Typical Values at 68°F (20°C)

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
304 515 205 40 92 201
304L 485 170 40 92 201
304H 515 205 40 92 201
304H also has a requirement for a grain size of ASTM No 7 or coarser.
Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (μm/m/°C) Thermal Conductivity (W/m.K) Specific Heat 0-100°C (J/kg.K) Electrical Resistivity (nΩ.m)
0-100°C 0-315°C 0-538°C at 100°C at 500°C
304/L/H 8000 193 17.2 17.8 18.4 16.2 21.5 500 720

Applications

  • Petroleum
  • Pulp/paper
  • Refining
  • Textile
  • Waste treatment, Marine
  • Utilities/power generation

Demention  Details

Butt Welded Cap SCH 80

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