Monel 400 Mother CoilASTM B127 · ASTM A480 / mill standard · Manufacturer, trader & exporter, India
Alloy 400 · UNS N04400
A Monel 400 mother coil is full-width coil straight from the rolling mill, made from Monel 400 to ASTM B127. Mother coils are bought by service centres and tube mills for slitting and processing.
- ASTM B127
- 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 a Monel 400 Mother Coil?
- What it is
- Full-width coil straight from the rolling mill
- Material
- ASTM B127
- Dimensions
- ASTM A480 / mill standard
- Grade
- Monel 400 · UNS N04400
- Best at
- Seawater, hydrofluoric acid and marine service
Monel 400 Mother Coil Specification
| Product | Monel 400 Mother Coil |
|---|---|
| Material standard | ASTM B127 |
| 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.
Monel 400 Mother Coil: Why 400 for mother coils
Mother coils are bought by service centres and tube mills for slitting and processing. In Monel 400, 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. Monel 400 is picked for seawater, hydrofluoric acid and marine service. |
|---|---|
| Typical service | Marine — Pump shafts, valves and seawater piping. |
Monel 400 Mother Coil Chemical Composition
Under technical review for TDS.
| Element | Current requirement |
|---|---|
| Nickel (+Co) | As specified |
| Copper | As specified |
| Iron | As specified |
| Manganese | As specified |
| Carbon | As specified |
| Silicon | As specified |
| Sulphur | As specified |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification to be verified: ASTM B127 for UNS N04400.
Monel 400 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 B127 for UNS N04400 — Annealed plate.
Full chemistry, properties and equivalents are on the Monel 400 grade page.
Other Monel 400 coils
Monel 400 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 Monel 400 mother coils?
The material is ASTM B127; 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 Monel 400 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