ASTM A403 Stainless Steel End Caps in 304L & 316L
ASTM A403 / ASME SA403 butt-weld stainless steel end caps in grades 304L and 316L, from 8″ to 24″ in schedules 10S, 40S and 80S. EU origin, held in stock in the UK.
ASTM A403/ASME SA403 - End Caps - EU Origin
Our ASTM A403 stainless steel end caps are available in grades 304L and 316L, with multiple sizes and schedules held in stock.
We have the following sizes available:
- 8″ to 24″ Sch 10s 304L & 316L
- 8″ to 24″ Sch 40s 304L & 316L
- 8″ to 24″ Sch 80s 316L

Please see the chart below for more detailed information.
Sch = Wall Thickness in Millimeters
| Nominal Pipe Size | A(") | Weight (KG) Sch10s | Weight (KG) Sch40s | Weight (KG) Sch80s |
|---|---|---|---|---|
| 8" | 4.00 | 2.47 | 5.40 | 7.80 |
| 10" | 5.00 | 4.51 | 10.00 | 13.10 |
| 12" | 6.00 | 6.67 | 13.90 | 17.30 |
| 14" | 6.50 | 8.17 | 16.00 | 27.00 |
| 16" | 7.00 | 10.67 | 21.00 | 31.50 |
| 18" | 8.00 | 13.00 | 26.00 | 36.00 |
| 20" | 9.00 | 17.00 | 34.00 | 42.00 |
| 24" | 10.50 | 26.00 | 52.00 | 60.00 |
Although every effort has been made to give accurate information PipeXtra Stainless Ltd accepts no responsibility for any errors
Stainless steel end caps to match your pipe

Can’t see the size you need? Please ask. Using our extensive supplier network, we can usually find stainless steel end caps to your exact requirement. Send us your requirements or call 01254 672999.
End caps are butt-welded onto the end of a pipe run to close it off. Our ASTM A403 stainless steel end caps are of EU origin and are sized to match our large-bore pipe stock, so you can source pipe and caps together from one supplier.
Order them alongside our A358 Class 1 welded pipe or A312 welded pipe, cut to your exact lengths.
All of our stock is supplied with full certification and traceability. We deliver next day anywhere in the UK, with fast deliveries to mainland Europe. PipeXtra is a member of the British Stainless Steel Association.
Check weights in the chart above, use our free stainless steel calculators, or request a quote.
Stainless steel end caps: your questions answered
What sizes of stainless steel end caps do you stock?
8″ to 24″ in Schedule 10S and 40S in 304L and 316L, and 8″ to 24″ in Schedule 80S in 316L.
What standard are the end caps made to?
They are manufactured to ASTM A403 / ASME SA403, the standard for wrought austenitic stainless steel butt-weld fittings.
Can I order matching pipe at the same time?
Yes. We stock A312 and A358 pipe in matching sizes and schedules, and can cut the pipe to your exact lengths.
Are the end caps supplied with certificates?
Yes. All of our stock is supplied with full certification and traceability.
Need stainless pipe cut to length?
Send us your sizes and quantities and we’ll confirm price, availability and lead time.
