ASTM A420 WPL6 B16.9 BW Low Alloy Steel Butt Welding Straight Tee
Product Information
| Product Name | ASTM A234 WPB B16.9 Carbon Steel Equal Tee |
| Size Range | 1/2” to 48” |
| Wall Thickness | Sch20S to Sch80S |
| Standards | ASTM A420 |
| Grade | WPL6 |
| Manufacturing Standards | ASME B16.9 |
| Coating | Black primer coating, hot dipped galvanization, zinc flake coating (electro-galvanization), rust inhibition oil or varnish coating. |
Standards & Materials: ASTM A420 WPL6
ASTM A420 WPL6 fittings are wrought low alloy steel fittings of seamless or welded construction intended for use in pressure piping and pressure vessel service at low temperatures. They are most often used with ASTM A333 Gr.6 pipes and ASTM A350 LF2 flanges for the transmission of low-temperature liquids in process piping with the conventional minimum design metal temperature (MDMT) of -45°C [-50°F].
Chemical Compositions of ASME A420 WPL6 Fittings
| Grade | C | Mn | P | S | Si | Ni | Cr | Mo | Cu | Nb | V |
| ASTM A420 WPL6 | ≤0.30 | 0.50-1.35 | ≤0.035 | ≤0.040 | 0.15-0.40 | ≤0.40 | ≤0.30 | ≤0.12 | ≤0.40 | ≤0.02 | 0.08 |
*For welded fittings of ASTM WPL6, the chemical composition of weld metal is not required to meet the same limits of the base metal, however, the weld deposit shall meet the mechanical and impact requirements of the base metal.
Mechanical Properties (at Room Temperature) of ASTM A420 WPL6 Fittings
| Grade | Tensile Strength (MPa) | Yield Strength, min (MPa) | Elongation in 2″, Longitudinal, min (%) | Elongation in 2″Transvers, min (%) |
| ASTM A420 WPL6 | 415-655 | 240 | 30 | 16.5 |
*At least one tension test shall be made on each heat of material.
ASME B16.9 Straight Tee Dimensions (mm)
| NPS (Inch) | Outside Dia. at Bevel | Center-to-End |
| O.D. | Run (C) | Outlet (M)(1)(2) |
| 1/2 | 21.3 | 25 | 25 |
| 3/4 | 26.7 | 29 | 29 |
| 1 | 33.4 | 38 | 38 |
| 1 1/4 | 42.2 | 48 | 48 |
| 1 1/2 | 48.3 | 57 | 57 |
| 2 | 60.3 | 64 | 64 |
| 2 1/2 | 73 | 76 | 76 |
| 3 | 88.9 | 86 | 86 |
| 3 1/2 | 101.6 | 95 | 95 |
| 4 | 114.3 | 105 | 105 |
| 5 | 141.3 | 124 | 124 |
| 6 | 168.3 | 143 | 143 |
| 8 | 219.1 | 178 | 178 |
| 10 | 273.1 | 216 | 216 |
| 12 | 323.9 | 254 | 254 |
| 14 | 355.6 | 279 | 279 |
| 16 | 406.4 | 305 | 305 |
| 18 | 457.2 | 343 | 343 |
| 20 | 508 | 381 | 381 |
| 22 | 559 | 419 | 419 |
| 24 | 610 | 432 | 432 |
| 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 |
Notes:
(1) Outlet dimension M for NPS26 and larger is recommended but not required
(2) Dimensions applicable to crosses NPS 24 and smaller.
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Straight Butt Welding Tee Alloy Steel Tube Fittings ASTM A420 WPL6 B16.9 Images
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