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IS 2062 (Part 1):2025 E350A Steel: Specifications & Listings

IS 2062 (Part 1):2025 E350A: E350A is grade E 350, quality A, in IS 2062 (Part 1):2025 (Structural Steel, Part 1: Hot Rolled Medium and High Tensile Steel), which covers plates, sheets, strips, shapes, sections, flats, bars and rods for structural work. The grade is named by its minimum yield stress.

Category: Structural Steel
Grade Details
GradeIS 2062 (Part 1):2025 E350A
Standard IS 2062 (Part 1):2025
ApplicationsStructural work: welded, bolted and riveted structures and general engineering purposes
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
IS 2062 (Part 1) E350BR IS 2062 (Part 1):2025 Strong Match
IS 2062 (Part 1) E350B0 IS 2062 (Part 1):2025 Strong Match
IS 2062 (Part 1) E350C IS 2062 (Part 1):2025 Strong Match
AS/NZS 3678 Grade 450 AS/NZS 3678:2016 Strong Match
AS/NZS Grade 500 AS/NZS 3597:2008 Strong Match
IS 2062 (Part 1) E410A IS 2062 (Part 1):2025 Strong Match
IS 2062 (Part 1) E410BR IS 2062 (Part 1):2025 Strong Match
IS 2062 (Part 1) E300A IS 2062 (Part 1):2025 Strong Match
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Mn Si S P CEV
<=0.22 <=1.60 <=0.45 <=0.045 <=0.045 <=0.47
Mechanical Properties
Tensile Strength >=490 MPa
Yield Strength 350 MPa (<=16mm) / 330 MPa (16-40mm) / 320 MPa (40-100mm) / 290 MPa (>100mm)
Elongation >=22% (<=40mm) / >=21% (40-63mm) / >=20% (63-100mm) / >=18% (>100mm)
Impact not required

More data from IS 2062 (Part 1):2025

From the standard
Yield stress by thickness 4 thickness ranges
Thickness or diameter (mm)Yield stress ReH, min (MPa)
Up to 16350
Over 16 to 40330
Over 40 to 100320
Over 100290
For thickness or diameter above 100 mm, a lower minimum tensile strength may be agreed between the purchaser and the manufacturer.
Source: IS 2062 (Part 1):2025, Table 3, notes 1 and 4
Elongation by thickness gauge length 5.65 root So
Thickness or diameter (mm)Elongation A, min (%)
Up to 4022
Over 40 to 6321
Over 63 to 10020
Over 10018
Values are for lengthwise test pieces. For crosswise test pieces (plates, sheets and strips) up to 100 mm, the values are 2 lower.
Source: IS 2062 (Part 1):2025, Table 3, notes 5 and 6
Bend test t is the thickness
Internal bend diameter, maximum, thickness up to 25 mm
2t
Internal bend diameter, maximum, thickness over 25 to 30 mm
Not required
t is the thickness or diameter of the test piece. The bend test is not required above 25 mm for grades E 300 to E 650.
Source: IS 2062 (Part 1):2025, Table 3, note 2
Impact test and deoxidation quality A
Impact test
Not required
Mode of deoxidation
Semi-killed or killed
Source: IS 2062 (Part 1):2025, Tables 1 and 3, clause 5
Other composition limits from the table notes
Carbon if not micro-alloyed, maximum
0.24 percent
Nitrogen, maximum
0.012 percent
Copper as residual, maximum
0.20 percent
Micro-alloying elements (Nb, V, Ti), total maximum
0.25 percent
Alloying elements (Cr, Ni, Mo, B), by agreement, maximum
0.50 percent
Copper-bearing quality
Cu 0.20 to 0.35 percent by agreement, suffix Cu (for example E 250 Cu), CE limit raised by 0.02
Carbon equivalent CE = C + Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15, from the ladle analysis.
Source: IS 2062 (Part 1):2025, Table 1, notes 3 to 9

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