S275JR Mother CoilEN 10025 · ASTM A480 / mill standard · Manufacturer, trader & exporter, India
EN 10025-2 S275JR · W.Nr 1.0044
An S275JR mother coil is full-width coil straight from the rolling mill, made from S275JR to EN 10025-2. Mother coils are bought by service centres and tube mills for slitting and processing.
- EN 10025
- 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 S275JR Mother Coil?
- What it is
- Full-width coil straight from the rolling mill
- Material
- EN 10025-2
- Dimensions
- ASTM A480 / mill standard
- Grade
- S275JR
- Best at
- General structures, frames and fabrication
S275JR Mother Coil Specification
| Product | S275JR Mother Coil |
|---|---|
| Material standard | EN 10025-2 |
| Dimensional standard | ASTM A480 / mill standard |
| Thickness | 0.1 – 6 mm by route |
| Width | Mill width or slit to order |
| Testing | Chemical & mechanical per heat · NDT · impact where specified |
| 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.
S275JR Mother Coil: Why S275JR for mother coils
Mother coils are bought by service centres and tube mills for slitting and processing. In S275JR, 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 | Carbon steel coil feeds general fabrication. S275JR is picked for general structures, frames and fabrication. |
|---|---|
| Typical service | Construction — Beams, frames and base plates. |
S275JR Mother Coil Chemical Composition
Under technical review for TDS.
| Element | Current requirement |
|---|---|
| Carbon | As specified |
| Manganese | As specified |
| Phosphorus | As specified |
| Sulphur | As specified |
| Copper | As specified |
| Nitrogen | As specified |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification to be verified: EN 10025-2 for S275JR.
S275JR Mother Coil Mechanical Properties
Under technical review for TDS.
| Property | Current requirement |
|---|---|
| Yield strength | As specified |
| Tensile strength | As specified |
| Elongation | As specified |
| Charpy impact | As specified |
Numerical specification requirements are published only after the applicable current standard edition has been verified. Governing specification and condition to be verified: EN 10025-2 for S275JR — condition per order.
Full chemistry, properties and equivalents are on the S275JR grade page.
Other S275JR coils
S275JR 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 S275JR mother coils?
The material is EN 10025-2; 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 S275JR mother coil?
The steel 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