Difference between E250 and E350 Grade Steel
steel plate Product Introduction
E250 Steel:
Earlier, this specification was known as IS 226. Since then, IS 2026 has taken its place. For "Steel for General Purposes," this grade is given.
The E250 steel grade is defined as Category 1 steel. The following three numerals indicate the minimum yield strength of engineering steel, and the application mark for engineering steel is E. This E250 is structurally sound and suitable for various commercial and industrial projects. High tensile strength, resistance to corrosion, and long service life are some of its qualities.
E350 Steel
This grade, often called IS2062 E350, is a unique variety of high-tensile steel utilized in the mining, welding, and heavy construction industries. It has a UTS of 490 and a minimum YS of 350. High strength, potent anti-corrosion, anti-oxidation, and high resistance capabilities are some of the qualities of grade E350. The India standard 2062) has now increased the resistance capabilities of the IS 2062 E350 PLATES, such as resistance to various acids at high temperatures.
E250 & E350 Both structural grades share some similar features but could be differentiated by specific features:
• The E350 grade provides better tensile and yields strengths than the E250 grade.
• The E250 grade has a 0.23 percent carbon content, whereas the E350 grade seems to have a 0.20 percent carbon content.
• These grades have different types of sub-qualities like A, BR, BO, and C, indicating the impact test requirement and oxidation mode.
A: Impact test not required, semi-killed/killed.
BR: Impact test optional; if required at room temperature; semi-killed/killed.
BO: Impact test mandatory at 0 degree Celsius, semi-killed/killed.
C: Impact test mandatory at -20 degree Celsius.
steel plate Product Details
IS 2062 Equivalent Material Grades
| BIS | JIS | EN | SAE/ ASTM | Others |
| IS 2062 E350 | JISG3106 SM490A, B | EN10025 Fe510B | - | DIN17100 St 52.3 |
IS 2062 e350 Chemical composition for Plate
| Grade | C | Mn | P | S | Si | Carbon Equivalent (CE), Max |
| IS 2062 E350 | 0.20 | 1.50 | 0.045 | 0.045 | 0.45 | 0.42 |
IS 2062 E350 Material Properties
| Thickness (mm) | Yield Strength Rehmin (N / mm²) | Tensile Strength Rmmin (N / mm²) | Elongation A5 min(%) | Impact Values Charpy-V-Notch LongitudinalAverage from 3 Speimens Thk.>10 <150mm. |
| 3 | 315-355 | 490-630 | max 22 | 27 Joules at -20 C |
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