Hastelloy C22 Machine ScrewASTM B574 · ASME B18.6.3 · Manufacturer, stockist & exporter, India
Alloy C-22 · UNS N06022
A Hastelloy C22 machine screw is a small-diameter screw for equipment assembly, made from Hastelloy C22 to ASTM B574. Machine screws assemble instruments, panels and equipment. Pan, countersunk and cheese heads.
- ASTM B574
- ASME B18.6.3
- EN 10204 3.1 / 3.2
- Export packing
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is a Hastelloy C22 Machine Screw?
- What it is
- A small-diameter screw for equipment assembly
- Material
- ASTM B574
- Dimensions
- ASME B18.6.3 · DIN 84 / 963
- Grade
- Hastelloy C22 · UNS N06022
- Best at
- Mixed oxidising and reducing acids, and weld overlays
Hastelloy C22 Machine Screw Specification
| Product | Hastelloy C22 Machine Screw |
|---|---|
| Material standard | ASTM B574 |
| Dimensional standard | ASME B18.6.3 · DIN 84 / 963 |
| 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 Machine Screw
Machine screws assemble instruments, panels and equipment. Pan, countersunk and cheese heads.
- Pan, flat and cheese heads
- Slotted or Phillips
- M2 – M10 typical
Hastelloy C22 Machine Screw Chemical Composition
| Element | Weight % |
|---|---|
| Nickel | Balance |
| Chromium | 20.0 – 22.5 |
| Molybdenum | 12.5 – 14.5 |
| Iron | 2.0 – 6.0 |
| Tungsten | 2.5 – 3.5 |
| Cobalt | 2.5 max |
| Carbon | 0.015 max |
| Manganese | 0.50 max |
Hastelloy C22 Machine Screw Mechanical Properties
| Solution-annealed plate & sheet | Value |
|---|---|
| Tensile strength | 690 MPa · 100 ksi |
| Yield strength 0.2% | 310 MPa · 45 ksi |
| Elongation | 45% |
Full chemistry, properties and equivalents are on the Hastelloy C22 grade page.
Standards on this page
Other Hastelloy C22 fasteners
Hastelloy C22 Machine Screws for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiHastelloy C22 Machine Screw — questions buyers ask
What sizes are machine screws?
Usually small diameters, M2 to M10 or #2 to 3/8".
Which standard covers Hastelloy C22 machine screws?
The material is ASTM B574; dimensions follow ASME B18.6.3 · DIN 84 / 963. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a Hastelloy C22 machine screw?
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 Hastelloy C22 machine screws to NACE MR0175?
Yes. Hastelloy C22 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