Inconel 825 Mother CoilASTM B424 · ASTM A480 / mill standard · Manufacturer, trader & exporter, India
Incoloy 825 · Alloy 825
An Inconel 825 mother coil is full-width coil straight from the rolling mill, made from Inconel 825 to ASTM B424. Mother coils are bought by service centres and tube mills for slitting and processing.
See the Inconel 825 coil grade form page for standards and sizes.
- ASTM B424
- ASTM A480 / mill standard
- EN 10204 3.1 / 3.2
- Export packing
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is an Inconel 825 Mother Coil?
- What it is
- Full-width coil straight from the rolling mill
- Material
- ASTM B424
- Dimensions
- ASTM A480 / mill standard
- Grade
- Inconel 825 · UNS N08825
- Best at
- Sulphuric and phosphoric acid service, chloride stress-corrosion cracking and sour gas
Inconel 825 Mother Coil Specification
| Product | Inconel 825 Mother Coil |
|---|---|
| Material standard | ASTM B424 |
| Dimensional standard | ASTM A480 / mill standard |
| Thickness | 0.1 – 6 mm by route |
| Width | Mill width or slit to order |
| Testing | PMI (as specified in the PO) · dimensional · NDT and IGC on request |
| Documents | EN 10204 3.1 or 3.2 on request / as specified in the PO |
When to Choose a Mother Coil
Mother coils are bought by service centres and tube mills for slitting and processing.
- Full mill width
- Hot or cold rolled
- Heavy coil weights
More on choosing: Mother coil guide.
Inconel 825 Mother Coil: Why 825 for mother coils
Mother coils are bought by service centres and tube mills for slitting and processing. In Inconel 825, 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 strip is slit for bellows, springs and precision parts. Inconel 825 is picked for sulphuric and phosphoric acid service, chloride stress-corrosion cracking and sour gas. |
|---|---|
| Typical service | Sulphuric & phosphoric acid plants — Tank linings, agitators, heat-exchanger baffles in fertiliser and acid production. |
Inconel 825 Mother Coil Chemical Composition
Under technical review for TDS.
| Element | Current requirement |
|---|---|
| Nickel | As specified |
| Iron | As specified |
| Chromium | As specified |
| Molybdenum | As specified |
| Copper | As specified |
| Titanium | As specified |
| Carbon | As specified |
| Manganese | As specified |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification to be verified: ASTM B424 / B423 / B564 for UNS N08825.
Inconel 825 Mother Coil Mechanical Properties
Under technical review for TDS.
| Property | Current requirement |
|---|---|
| Tensile strength | As specified |
| Yield strength 0.2% | As specified |
| Elongation | As specified |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification and condition to be verified: ASTM B424 / B423 / B564 for UNS N08825 — Annealed.
Full chemistry, properties and equivalents are on the Inconel 825 grade page.
Other Inconel 825 coils
Inconel 825 Mother Coil — questions buyers ask
What width is a mother coil?
Full mill width, typically 1000 – 1600 mm depending on the mill.
Which standard covers Inconel 825 mother coils?
The material is ASTM B424; dimensions follow ASTM A480 / mill standard. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a Inconel 825 mother coil?
The alloy price, the size and dimensions, quantity, and the testing and documents required. Send your list and we quote the same working day.
What documents do you supply?
EN 10204 3.1 or 3.2 certificates available on request / as specified in the PO; dimensional reports as required. PMI can be arranged depending on product and requirements, as specified in the PO.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026