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IS 2062 (Part 1) E650A vs IS 2062 (Part 1) E550BR

Strong Match — 88.4% match based on chemical composition and mechanical property overlap.

IS 2062 (Part 1) E650A (IS 2062 (Part 1):2025) and IS 2062 (Part 1) E550BR (IS 2062 (Part 1):2025) are both steel grades. Both fall under the Structural Steel category. IS 2062 (Part 1) E650A is typically used for structural work: welded, bolted and riveted structures and general engineering purposes, while IS 2062 (Part 1) E550BR is commonly used for structural work: welded, bolted and riveted structures and general engineering purposes. IS 2062 (Part 1) E650A is defined under Bureau of Indian Standards (IS), originating from India, while IS 2062 (Part 1) E550BR is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 2062 (Part 1) E650A vs IS 2062 (Part 1) E550BR is a 99.3% match. As per mechanical properties, the match is 66.7%. Combined, this makes them a strong match overall at 88.4%.

Frequently Compared With IS 2062 (Part 1) E650A:
CSA G40.21 260W CSA G40.21 400A CSA G40.21 400W ASTM A283C ASTM A572 Gr.65 GOST 19281 09G2S AS/NZS 3679.1 300 AS/NZS 3679.1 350 CSA G40.21 350W CSA G40.21 480W CSA G40.21 300W ASTM A1008 SS Grade 50
Match Breakdown
CHEMISTRY MATCH
99.3%
MECHANICAL MATCH
66.7%
OVERALL
88.4%
Specifications
Property IS 2062 (Part 1) E650A IS 2062 (Part 1) E550BR
Standard IS 2062 (Part 1):2025 IS 2062 (Part 1):2025
Category Structural Steel Structural Steel
C (%) <=0.22 <=0.22
Mn (%) <=1.70 <=1.70
Si (%) <=0.50 <=0.50
S (%) <=0.015 <=0.020
P (%) <=0.025 <=0.025
CEV (%) <=0.55 <=0.54
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) E650A IS 2062 (Part 1) E550BR
Tensile Strength >=750 MPa >=650 MPa
Yield Strength 650 MPa (<=16mm) / 630 MPa (16-40mm) / 620 MPa (40-100mm) 550 MPa (<=16mm) / 530 MPa (16-40mm) / 520 MPa (40-100mm)
Elongation >=12% (<=40mm) >=12% (<=40mm)
Impact not required Not specified
Impact Energy Not specified >=15 J at room temperature (optional)
Typical Applications
IS 2062 (Part 1) E650A
Structural work: welded, bolted and riveted structures and general engineering purposes
IS 2062 (Part 1) E550BR
Structural work: welded, bolted and riveted structures and general engineering purposes
Can IS 2062 (Part 1) E650A Be Substituted With IS 2062 (Part 1) E550BR?
IS 2062 (Part 1) E650A and IS 2062 (Part 1) E550BR overlap closely enough on chemistry and mechanical properties that IS 2062 (Part 1) E550BR is often considered as a substitute for IS 2062 (Part 1) E650A in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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IS 2062 (Part 1) E650A
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IS 2062 (Part 1) E550BR
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Frequently Asked Questions
What is the difference between IS 2062 (Part 1) E650A and IS 2062 (Part 1) E550BR?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 2062 (Part 1) E650A be substituted with IS 2062 (Part 1) E550BR?
IS 2062 (Part 1) E650A and IS 2062 (Part 1) E550BR overlap closely enough on chemistry and mechanical properties that IS 2062 (Part 1) E550BR is often considered as a substitute for IS 2062 (Part 1) E650A in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.