10 inch ASME B16.5 Class 600 Flange Dimensions
10 inch (DN 250) to ASME B16.5: OD 510 mm; thickness 63.5 mm; raised face 323.8 mm; hub 343 mm; pipe OD 273.0 mm.
Key to dimensions
- O
- Outside diameter of flange
- tf
- Minimum flange thickness (also the blind flange thickness), excluding the raised face
- R
- Diameter of raised face
- X
- Hub diameter at base
- A
- Hub diameter at the welding end of a weld neck flange (pipe outside diameter)
- Y
- Length through hub — given separately for weld neck, slip-on / threaded / socket weld and lap joint flanges
- W
- Bolt circle diameter
- Holes
- Number and diameter of bolt holes
- Bolt
- Nominal bolt diameter in inches
10 inch ASME B16.5 Class 600 Flange Dimensions — all dimensions
Class 600 flange dimensions (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| DN | 250 | |
| Outside dia — O | 510 mm | 20.08 in |
| Min thickness — tf | 63.5 mm | 2.50 in |
| Raised face dia — R | 323.8 mm | 12.75 in |
| Hub dia — X | 343 mm | 13.50 in |
| Hub at weld — A | 273.0 mm | 10.75 in |
| Weld neck — Y | 152 mm | 5.98 in |
| Slip-on / Thr / SW — Y | 86 mm | 3.39 in |
| Lap joint — Y | 111 mm | 4.37 in |
| Bolt circle — W | 431.8 mm | 17.00 in |
| Number of holes | 16 | |
| Hole dia | 34.9 mm | 1.37 in |
| Bolt size | 1¼" |
Class 600 bolting and approximate weights
| Dimension | Value | Equivalent |
|---|---|---|
| Number of studs | 16 | |
| Stud dia | 1¼" | |
| Stud length — Raised face | 215 mm | 8.46 in |
| Stud length — Ring joint | 215 mm | 8.46 in |
| Weld neck — kg, approx. | 86.0 kg | 189.6 lb |
| Slip-on — kg, approx. | 77.0 kg | 169.8 lb |
| Blind — kg, approx. | 104 kg | 229.3 lb |
Values are nominal, from ASME B16.5 Class 600 Flange Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
Find another size or standard
Pick a product, standard and size — or just type — to see every dimension and download a watermarked PDF for that one size.
Other sizes — ASME B16.5 Class 600 Flange Dimensions
Same size in other ratings
Related for this size
10" Stud Bolt Chart for ASME B16.5 Flanges
Same size — open the dimensions page.
View online · PDFASME B16.2010" ASME B16.20 Spiral Wound Gasket Dimensions
Same size — open the dimensions page.
View online · PDFASME B16.2110" ASME B16.21 Non-Metallic Flat Gasket Dimensions
Same size — open the dimensions page.
View online · PDFASME B36.10M10" Pipe Schedule Chart — ASME B36.10M
Same size — open the dimensions page.
View online · PDFFAQ
10 inch ASME B16.5 Class 600 Flange Dimensions: common questions
What are the 10 inch ASME B16.5 Class 600 Flange Dimensions?
10 inch (DN 250) to ASME B16.5: OD 510 mm; thickness 63.5 mm; raised face 323.8 mm; hub 343 mm; pipe OD 273.0 mm.
Does Teshi Group manufacture 10 inch flanges?
Yes. Teshi Group is an OEM manufacturer in India of flanges to ASME B16.5, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the 10 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 B16.5 Class 600 Flange Dimensions chart.
Need 10 inch flanges?
Teshi Group manufactures them in India — send your size, rating and material and get a quote in 24–48 hours.
Ready to build to spec?
Share your drawing, bill of materials or technical requirements with the Teshi team.