S355J2+N Mother CoilEN 10025 · ASTM A480 / mill standard · Manufacturer, stockist & exporter, India
EN 10025-2 S355J2+N · W.Nr 1.0577
An S355J2+N mother coil is full-width coil straight from the rolling mill, made from S355J2+N 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 S355J2+N Mother Coil?
- What it is
- Full-width coil straight from the rolling mill
- Material
- EN 10025-2
- Dimensions
- ASTM A480 / mill standard
- Grade
- S355J2+N
- Best at
- Heavy structures, cranes and offshore frames
S355J2+N Mother Coil Specification
| Product | S355J2+N 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 · 3.2 with third-party inspection |
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.
S355J2+N Mother Coil: Why S355J2+N for mother coils
Mother coils are bought by service centres and tube mills for slitting and processing. In S355J2+N, 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. S355J2+N is picked for heavy structures, cranes and offshore frames. |
|---|---|
| Typical service | Heavy structures — Bridges, cranes and towers. |
S355J2+N Mother Coil Chemical Composition
| Element | Weight % |
|---|---|
| Carbon | 0.20 max (≤16 mm) |
| Manganese | 1.60 max |
| Silicon | 0.55 max |
| Phosphorus | 0.025 max |
| Sulphur | 0.025 max |
| Copper | 0.55 max |
S355J2+N Mother Coil Mechanical Properties
| Normalised (+N) | Value |
|---|---|
| Yield strength | 355 MPa (≤16 mm) |
| Tensile strength | 470 – 630 MPa |
| Elongation | 22% |
| Charpy impact | 27 J at −20 °C |
Full chemistry, properties and equivalents are on the S355J2+N grade page.
Other S355J2+N coils
S355J2+N Mother Coils for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiS355J2+N 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 S355J2+N 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 S355J2+N 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 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