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IS 2062 (Part 1) E450A vs CSA G40.21 400A

Related Material — 63% match based on chemical composition and mechanical property overlap.

IS 2062 (Part 1) E450A (IS 2062 (Part 1):2025) and CSA G40.21 400A (CSA G40.21-13 (R2023)) are both steel grades. Both fall under the Structural Steel category. IS 2062 (Part 1) E450A is typically used for structural work: welded, bolted and riveted structures and general engineering purposes, while CSA G40.21 400A is commonly used for atmospheric corrosion-resistant (weathering) structural steel; exposed bridge girders and structural members where high strength and weathering resistance are both needed. IS 2062 (Part 1) E450A is defined under Bureau of Indian Standards (IS), originating from India, while CSA G40.21 400A is defined under Canadian Standards Association (CSA), originating from Canada.

As per chemical composition, IS 2062 (Part 1) E450A vs CSA G40.21 400A is a 94.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 63%.

Frequently Compared With IS 2062 (Part 1) E450A:
CSA G40.21 300W ASTM A1008 SS Grade 80 AS/NZS 3679.1 300 GOST 19281 09G2S CSA G40.21 350W CSA G40.21 480W CSA G40.21 260W AS/NZS 3679.1 350 CSA G40.21 400W ASTM A1008 SS Grade 50 ASTM A572 Gr.65 ASTM A283C
Match Breakdown
CHEMISTRY MATCH
94.5%
MECHANICAL MATCH
0%
OVERALL
63%
Specifications
Property IS 2062 (Part 1) E450A CSA G40.21 400A
Standard IS 2062 (Part 1):2025 CSA G40.21-13 (R2023)
Category Structural Steel Structural Steel
C (%) <=0.22 <=0.23
Mn (%) <=1.70 <=1.60
Si (%) <=0.45 <=0.40
S (%) <=0.045 <=0.035
P (%) <=0.045 <=0.035
CEV (%) <=0.52 Not specified
Cu (%) Not specified 0.20-0.40
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 2062 (Part 1) E450A CSA G40.21 400A
Tensile Strength >=570 MPa 520-670 MPa
Yield Strength 450 MPa (<=16mm) / 430 MPa (16-40mm) / 420 MPa (40-100mm) / 390 MPa (>100mm) 400 MPa min
Elongation >=17% (<=40mm) / >=17% (40-63mm) / >=17% (63-100mm) / >=17% (>100mm) 17% min
Impact not required 27J at 0°C
Typical Applications
IS 2062 (Part 1) E450A
Structural work: welded, bolted and riveted structures and general engineering purposes
CSA G40.21 400A
Atmospheric corrosion-resistant (weathering) structural steel; exposed bridge girders and structural members where high strength and weathering resistance are both needed
Key Differences
Can IS 2062 (Part 1) E450A Be Substituted With CSA G40.21 400A?
IS 2062 (Part 1) E450A and CSA G40.21 400A share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
Forms & Sizes Available on M-EX
IS 2062 (Part 1) E450A
No active listings currently.
CSA G40.21 400A
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2800–4200 mm (110.24–165.35 in)
On M-EX Right Now
IS 2062 (Part 1) E450A
0 active listings and RFQs →
CSA G40.21 400A
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 2062 (Part 1) E450A and CSA G40.21 400A?
IS 2062 (Part 1) E450A specifies CEV which is not specified for CSA G40.21 400A. CSA G40.21 400A specifies Cu which is not specified for IS 2062 (Part 1) E450A.
Can IS 2062 (Part 1) E450A be substituted with CSA G40.21 400A?
IS 2062 (Part 1) E450A and CSA G40.21 400A share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.