IS 2062 E350 vs S355 difference in composition & properties.
IS 2062 E350 and S355 have closely matching chemistry.
Key differences between IS 2062 E350 and S355
The chemistry limits are close; compare the table below line by line.
IS 2062 E350 vs S355 chemical composition (weight %)
| Element | IS 2062 E350 | S355 |
|---|---|---|
| C | ≤0.22 | ≤0.2 |
| Mn | ≤1.6 | ≤1.6 |
| S | ≤0.045 | ≤0.025 |
| P | ≤0.045 | ≤0.025 |
| Si | ≤0.45 | ≤0.55 |
| CE | ≤0.47 | – |
| Cu | – | ≤0.55 |
Mechanical properties, equivalents and uses
| Property | IS 2062 E350 | S355 |
|---|---|---|
| Family | Structural steel | Structural steel |
| Tensile strength, MPa | ≥490 | 470–630 |
| Yield strength, MPa | ≥350 | ≥355 |
| Elongation, % | ≥22 | ≥22 |
| Hardness | – | – |
| Density, g/cm³ | 7.85 | 7.85 |
| EN | S355JR / S355J2 | S355JR / S355J0 / S355J2 / S355K2 (EN 10025-2) |
| W.Nr | 1.0045 / 1.0577 | 1.0045 / 1.0553 / 1.0577 / 1.0596 |
| JIS | SM490A (nearest) | SM490A / SM490B (nearest) |
| IS (India) | IS 2062 E350 (A, BR, B0, C) · SAILMA 350 (SAIL, nearest) | IS 2062 E350 (nearest) |
| AISI / ASTM | ASTM A572 Gr. 50 (nearest) | ASTM A572 Gr. 50 (nearest) |
| Typical uses | Bridges, cranes, heavy structures | Mostly used for bridges, cranes, wind towers, heavy structures and machinery frames |
Mechanical values: IS 2062 (Part 1):2025 E350, conservative Table 3 ≤16 mm thresholds / EN 10025-2 S355, ≤16 mm. Limits vary by standard and product form; confirm against your purchase specification.
Frequently asked questions
What is the difference between IS 2062 E350 and S355?
IS 2062 E350 and S355 have similar chemistry; check the full table for the limits that differ.
Where are IS 2062 E350 and S355 used?
IS 2062 E350: Bridges, cranes, heavy structures. S355: Mostly used for bridges, cranes, wind towers, heavy structures and machinery frames.
Can S355 replace IS 2062 E350?
Only if the purchase specification allows it. Check the governing standard, chemistry limits and mechanical properties against the order, and confirm on the mill test certificate.
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Mill test certificate (EN 10204 3.1) supplied with material; third-party inspection on request.
Reference basis: Compiled by Steel Impex India. Check each table’s source, product form and delivery condition before use. Sources, calculation methods and corrections.