Monel K500 Stud BoltASTM B865 · ASME B18.31.2 · Manufacturer, stockist & exporter, India
Alloy K-500 · UNS N05500
A Monel K500 stud bolt is a fully threaded rod supplied with two heavy hex nuts, made from Monel K500 to ASTM B865. Stud bolts are the standard bolting for pipe flanges. Length is measured end-to-end excluding points, per ASME B16.5 bolting tables.
- ASTM B865
- ASME B18.31.2
- EN 10204 3.1 / 3.2
- Export packing
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is a Monel K500 Stud Bolt?
- What it is
- A fully threaded rod supplied with two heavy hex nuts
- Material
- ASTM B865
- Dimensions
- ASME B18.31.2 · B16.5 bolting tables
- Grade
- Monel K500 · UNS N05500
- Best at
- High-strength pump shafts, bolting and springs in seawater
Monel K500 Stud Bolt Specification
| Product | Monel K500 Stud Bolt |
|---|---|
| Material standard | ASTM B865 |
| Dimensional standard | ASME B18.31.2 · B16.5 bolting tables |
| Sizes | M10 – M64 · ½" – 4" (others on request) |
| Threads | UNC · UN-8 · metric coarse |
| Testing | PMI · dimensional · NDT and IGC on request |
| Documents | EN 10204 3.1 · 3.2 with third-party inspection |
When to Choose a Stud Bolt
Stud bolts are the standard bolting for pipe flanges. Length is measured end-to-end excluding points, per ASME B16.5 bolting tables.
- Fully threaded, with two heavy hex nuts
- Length per ASME B16.5 flange class
- UNC up to 1", UN-8 above
More on choosing: Stud bolt guide.
Monel K500 Stud Bolt: Why K500 for stud bolts
Stud bolts are the standard bolting for pipe flanges. Length is measured end-to-end excluding points, per ASME B16.5 bolting tables. In Monel K500, the choice usually comes down to the medium and temperature — the rows here are the points buyers check for this exact combination.
| Why this grade | Nickel-alloy fasteners match nickel-alloy flanges in corrosive or hot service. Monel K500 is picked for high-strength pump shafts, bolting and springs in seawater. |
|---|---|
| Typical service | Marine — Propeller and pump shafts. |
| Bolting | B7 (coated), B8M or nickel-alloy studs such as Monel K500 from ASTM B865, as the project specifies |
| Sour service | Listed in NACE MR0175 / ISO 15156-3 within its limits — state it on the order |
Monel K500 Stud Bolt Chemical Composition
| Element | Weight % |
|---|---|
| Nickel (+Co) | 63.0 min |
| Copper | 27.0 – 33.0 |
| Aluminium | 2.30 – 3.15 |
| Titanium | 0.35 – 0.85 |
| Iron | 2.0 max |
| Manganese | 1.5 max |
| Carbon | 0.25 max |
| Silicon | 0.5 max |
Monel K500 Stud Bolt Mechanical Properties
| Age-hardened bar | Value |
|---|---|
| Tensile strength | 965 MPa · 140 ksi |
| Yield strength 0.2% | 690 MPa · 100 ksi |
| Elongation | 20% |
Full chemistry, properties and equivalents are on the Monel K500 grade page.
Standards on this page
Other Monel K500 fasteners
Monel K500 Stud Bolts for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiMonel K500 Stud Bolt — questions buyers ask
How is stud bolt length measured?
From first thread to first thread, excluding chamfered points, as tabulated in ASME B16.5.
What nut is used with Monel K500 stud bolts?
A nut in the same alloy, machined from ASTM B865 bar, unless the project specifies otherwise.
Which standard covers Monel K500 stud bolts?
The material is ASTM B865; dimensions follow ASME B18.31.2 · B16.5 bolting tables. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a Monel K500 stud bolt?
The alloy price, the size and dimensions, quantity, and the testing and documents required. Send your list and we quote the same working day.
Can you supply Monel K500 stud bolts to NACE MR0175?
Yes. Monel K500 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