Hastelloy C276 Stub EndASTM B366 · ASME B16.9 · Manufacturer, stockist & exporter, India
Alloy C-276 · UNS N10276
A Hastelloy C276 stub end is a short pipe length with a flared lap that works with a lap joint flange, made from Hastelloy C276 to ASTM B366 WPHC276. Stub ends are welded to the pipe and backed by a loose lap joint flange. Type A (long pattern, ASME B16.9) and short-pattern MSS SP-43 stub ends are the common choices.
- ASTM B366
- ASME B16.9
- EN 10204 3.1 / 3.2
- Export packing
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is a Hastelloy C276 Stub End?
- What it is
- A short pipe length with a flared lap that works with a lap joint flange
- Material
- ASTM B366 WPHC276
- Dimensions
- ASME B16.9 · MSS SP-43
- Grade
- Hastelloy C276 · UNS N10276
- Best at
- The most aggressive mixed acids, wet chlorine and hypochlorite
Hastelloy C276 Stub End Specification
| Product | Hastelloy C276 Stub End |
|---|---|
| Material standard | ASTM B366 WPHC276 |
| Dimensional standard | ASME B16.9 · MSS SP-43 |
| Sizes | ½" – 48" |
| Wall / class | Sch 5S – XXS, to match pipe |
| Ends | Bevelled to ASME B16.25 |
| Testing | PMI · dimensional · NDT and IGC on request |
| Documents | EN 10204 3.1 · 3.2 with third-party inspection |
When to Choose a Stub End
Stub ends are welded to the pipe and backed by a loose lap joint flange. Type A (long pattern, ASME B16.9) and short-pattern MSS SP-43 stub ends are the common choices.
- Long pattern (ASME B16.9) and short pattern (MSS SP-43)
- Type A, B and C lap designs
- Used with a carbon-steel backing flange to save alloy
Hastelloy C276 Stub End Chemical Composition
| Element | Weight % |
|---|---|
| Nickel | Balance |
| Molybdenum | 15.0 – 17.0 |
| Chromium | 14.5 – 16.5 |
| Iron | 4.0 – 7.0 |
| Tungsten | 3.0 – 4.5 |
| Cobalt | 2.5 max |
| Carbon | 0.010 max |
| Manganese | 1.0 max |
Hastelloy C276 Stub End Mechanical Properties
| Solution-annealed plate & sheet | Value |
|---|---|
| Tensile strength | 690 MPa · 100 ksi |
| Yield strength 0.2% | 283 MPa · 41 ksi |
| Elongation | 40% |
Full chemistry, properties and equivalents are on the Hastelloy C276 grade page.
Other Hastelloy C276 pipe fittings
Hastelloy C276 Stub Ends for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiHastelloy C276 Stub End — questions buyers ask
Long or short stub end?
Long-pattern stub ends to ASME B16.9 suit most piping; short-pattern MSS SP-43 stub ends save alloy and space in low-pressure lines.
Which standard covers Hastelloy C276 stub ends?
The material is ASTM B366 WPHC276; dimensions follow ASME B16.9 · MSS SP-43. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a Hastelloy C276 stub end?
The alloy price, the size and schedule or class, quantity, and the testing and documents required. Send your list and we quote the same working day.
Can you supply Hastelloy C276 stub ends to NACE MR0175?
Yes. Hastelloy C276 is listed in NACE MR0175 / ISO 15156-3 within its limits; state NACE compliance on the order and it is confirmed on the certificate.
What documents do you supply?
EN 10204 3.1 mill certificates as standard, 3.2 with third-party inspection on request, plus dimensional and PMI reports.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026