18 inch ASME B16.9 Lap Joint Stub End Dimensions
18 inch (DN 450) to ASME B16.9: Barrel 457.0 mm; Long pattern 305 mm; Short pattern 152 mm; Lap dia 533 mm; Fillet radius 13 mm.
Key to dimensions
- OD
- Outside diameter of barrel
- F
- Length — long pattern and short pattern
- G
- Diameter of lap
- R
- Radius of fillet
18 inch ASME B16.9 Lap Joint Stub End Dimensions — all dimensions
Lap joint stub ends (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| DN | 450 | |
| Barrel — OD | 457.0 mm | 17.99 in |
| Long pattern — F | 305 mm | 12.01 in |
| Short pattern — F | 152 mm | 5.98 in |
| Lap dia — G | 533 mm | 20.98 in |
| Fillet radius — R | 13 mm | 0.512 in |
Values are nominal, from ASME B16.9 Lap Joint Stub End Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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18 inch ASME B16.9 Lap Joint Stub End Dimensions: common questions
What are the 18 inch ASME B16.9 Lap Joint Stub End Dimensions?
18 inch (DN 450) to ASME B16.9: Barrel 457.0 mm; Long pattern 305 mm; Short pattern 152 mm; Lap dia 533 mm; Fillet radius 13 mm.
Does Teshi Group manufacture 18 inch butt weld fittings?
Yes. Teshi Group is an OEM manufacturer in India of butt weld fittings to ASME B16.9, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the 18 inch dimensions as a PDF?
Yes. Use “Download PDF for this size” on this page to get a single-size, print-ready PDF with the drawing and every tabulated dimension, or download the full ASME B16.9 Lap Joint Stub End Dimensions chart.
Need 18 inch butt weld fittings?
Teshi Group manufactures them in India — send your size, rating and material and get a quote in 24–48 hours.
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