SS 304L Slit CoilASTM A240 · ASTM A480 · Manufacturer, stockist & exporter, India
AISI 304L · UNS S30403
An SS 304L slit coil is coil slit to narrower widths, made from SS 304L to ASTM A240. Slit coils feed stamping, roll forming and tube mills. State width, tolerance and coil weight.
- ASTM A240
- ASTM A480
- EN 10204 3.1 / 3.2
- Export packing
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What is an SS 304L Slit Coil?
- What it is
- Coil slit to narrower widths
- Material
- ASTM A240
- Dimensions
- ASTM A480
- Grade
- SS 304L · UNS S30403
- Best at
- Welded tanks, piping and vessels in general corrosive service
SS 304L Slit Coil Specification
| Product | SS 304L Slit Coil |
|---|---|
| Material standard | ASTM A240 |
| Dimensional standard | ASTM A480 |
| Thickness | 0.1 – 6 mm by route |
| Width | Mill width or slit to order |
| Testing | PMI · dimensional · NDT and IGC on request |
| Documents | EN 10204 3.1 · 3.2 with third-party inspection |
When to Choose a Slit Coil
Slit coils feed stamping, roll forming and tube mills. State width, tolerance and coil weight.
- Slit to width
- Burr-controlled edges
- Coil weight to order
More on choosing: Slit coil guide.
SS 304L Slit Coil: Why 304L for slit coils
Slit coils feed stamping, roll forming and tube mills. State width, tolerance and coil weight. In SS 304L, 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 | Stainless coil feeds stamping, tube-making and roll-forming lines. SS 304L is picked for welded tanks, piping and vessels in general corrosive service. |
|---|---|
| Typical service | Process piping — Welded lines in chemical and pharma plants. |
SS 304L Slit Coil Chemical Composition
| Element | Weight % |
|---|---|
| Chromium | 17.5 – 19.5 |
| Nickel | 8.0 – 12.0 |
| Carbon | 0.030 max |
| Manganese | 2.00 max |
| Silicon | 0.75 max |
| Nitrogen | 0.10 max |
| Phosphorus | 0.045 max |
| Sulphur | 0.030 max |
SS 304L Slit Coil Mechanical Properties
| Annealed plate & sheet | Value |
|---|---|
| Tensile strength | 485 MPa · 70 ksi |
| Yield strength 0.2% | 170 MPa · 25 ksi |
| Elongation | 40% |
| Hardness | 201 HB max |
Full chemistry, properties and equivalents are on the SS 304L grade page.
SS 304L Slit Coils for export
FOB / CIF · Nhava Sheva (JNPT), MumbaiSS 304L Slit Coil — questions buyers ask
What width tolerance can slit coil hold?
Typically ±0.1 to ±0.3 mm depending on thickness and width.
Which standard covers SS 304L slit coils?
The material is ASTM A240; dimensions follow ASTM A480. Always state both on your purchase order, with the edition if your project specifies one.
What decides the price of a SS 304L slit 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 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