Mild steel
IS 2062 E350 is a higher-strength structural steel (350 MPa minimum yield) for lighter or more heavily loaded structures.
- Spec IS 2062:2011
- Density 7.85 g/cm³
Also known as / equivalents
| System | Designation |
|---|---|
| Also known as | E350, Fe 490 |
Chemical composition
| Element | Min % | Max % |
|---|---|---|
| C | — | 0.20 |
| Mn | — | 1.55 |
| S | — | 0.045 |
| P | — | 0.045 |
| Si | — | 0.45 |
| CE | — | 0.47 |
| Fe | Bal. | — |
Mechanical properties
| Property | Value |
|---|---|
| Tensile strength (min) | 490 MPa (71.1 ksi) |
| Yield strength, 0.2% offset (min) | 350 MPa (50.8 ksi) |
| Elongation in 50 mm (min) | 22 % |
Physical properties
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm³ | 0.284 lb/in³ |
| Magnetic response | Magnetic | — |
Available forms & specifications
| Form | Specification | Size range |
|---|---|---|
| Plates | IS 2062, ASTM A36 | 0.3 mm – 6 mm |
| HR sheets & coils | IS 1079 | 0.3 mm – 6 mm |
| CR sheets & coils | IS 513 | 0.3 mm – 6 mm |
| Chequered plates | IS 3502 | 0.3 mm – 6 mm |
| ERW pipes | IS 1239, IS 3589, ASTM A53 | 1/8" – 24" NB |
| Hollow sections (SHS / RHS) | IS 4923 | As per IS 808 / standard sizes |
| Angles, channels & beams | IS 2062, IS 808 | As per IS 808 / standard sizes |
| Flats, rounds & squares (bars) | IS 2062 | 3 mm – 500 mm |
Corrosion & temperature resistance
Mild steel has no built-in corrosion resistance. It is normally primed and painted, galvanised or lined for outdoor and wet service; galvanised and pre-painted material can be sourced on request.
Applications
IS 2062 E350: Bridges, heavy structures, cranes. Building and industrial structures, sheds, frames and supports, base plates, platforms and walkways, gates and grills, machine frames, conveyors and general engineering work.
IS 2062 E350 vs IS 2062 E250
| IS 2062 E350 | IS 2062 E250 | |
|---|---|---|
| UNS | — | — |
| Key property | Higher-strength structural steel | General structural mild steel |
| Typical use | Bridges, heavy structures, cranes | Structures, frames, general engineering |
| Cr (wt %) | — | — |
| Ni (wt %) | — | — |
| Mo (wt %) | — | — |
| C (wt %) | ≤ 0.20 | ≤ 0.23 |
| Tensile / yield (min, MPa) | 490 / 350 | 410 / 250 |
Frequently asked questions
What is IS 2062 E350 used for?
Higher-strength structural steel. Typical uses: bridges, heavy structures, cranes.
Is IS 2062 E350 magnetic?
Magnetic.
In which forms can I buy IS 2062 E350 from Rajkamal Metals?
Coils & Strips, Sheets & Plates, Pipes & Tubes, Round Bars & Rods, Structural Sections, Flanges, Buttweld Fittings, Socket Weld & Threaded Fittings, Fasteners, Dish Ends, Custom Orders. Sizes as per standard; other sizes on request.
Do you supply a Mill Test Certificate with IS 2062 E350?
Yes. Actual values are given in the Mill Test Certificate (EN 10204 3.1) supplied with each order.
What is the difference between IS 2062 E350 and IS 2062 E250?
IS 2062 E350: higher-strength structural steel. IS 2062 E250: general structural mild steel. See the comparison table on this page.
Last updated: 30 October 2026. Grade names identify the supply range; designations are not engineering equivalents. Availability, make, origin and documentation are confirmed at quotation.
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