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IS 2062 (Part 1) E300C vs AS/NZS 3678 Grade 450

Strong Match — 97.2% match based on chemical composition and mechanical property overlap.

IS 2062 (Part 1) E300C (IS 2062 (Part 1):2025) and AS/NZS 3678 Grade 450 (AS/NZS 3678:2016) are both steel grades. Both fall under the Structural Steel category. IS 2062 (Part 1) E300C is typically used for structural work: welded, bolted and riveted structures and general engineering purposes, while AS/NZS 3678 Grade 450 is commonly used for heavy cranes, offshore platforms, pressure vessels, structural members in high-rise construction, mining equipment.. IS 2062 (Part 1) E300C is defined under Bureau of Indian Standards (IS), originating from India, while AS/NZS 3678 Grade 450 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, IS 2062 (Part 1) E300C vs AS/NZS 3678 Grade 450 is a 97.2% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 97.2%.

Frequently Compared With IS 2062 (Part 1) E300C:
ASTM A1008 SS Grade 50 IS 2062 (Part 1) E235C AS/NZS 3679.1 300 CSA G40.21 400W ASTM A283C GOST 19281 09G2S CSA G40.21 260W AS/NZS 3679.1 350 CSA G40.21 350W CSA G40.21 400A ASTM A1008 SS Grade 80 CSA G40.21 300W
Match Breakdown
CHEMISTRY MATCH
97.2%
MECHANICAL MATCH
No shared data
OVERALL
97.2%
Specifications
Property IS 2062 (Part 1) E300C AS/NZS 3678 Grade 450
Standard IS 2062 (Part 1):2025 AS/NZS 3678:2016
Category Structural Steel Structural Steel
C (%) <=0.20 max 0.2
Mn (%) <=1.50 max 1.6
Si (%) <=0.45 max 0.55
S (%) <=0.040 max 0.03
P (%) <=0.040 max 0.03
CEV (%) <=0.44 Not specified
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) E300C AS/NZS 3678 Grade 450
Tensile Strength >=440 MPa Not specified
Yield Strength 300 MPa (<=16mm) / 290 MPa (16-40mm) / 280 MPa (40-100mm) / 250 MPa (>100mm) Not specified
Elongation >=22% (<=40mm) / >=20% (40-63mm) / >=19% (63-100mm) / >=19% (>100mm) Not specified
Impact Energy >=27 J at -20°C Not specified
Typical Applications
IS 2062 (Part 1) E300C
Structural work: welded, bolted and riveted structures and general engineering purposes
AS/NZS 3678 Grade 450
Heavy cranes, offshore platforms, pressure vessels, structural members in high-rise construction, mining equipment.
Key Differences
Can IS 2062 (Part 1) E300C Be Substituted With AS/NZS 3678 Grade 450?
IS 2062 (Part 1) E300C and AS/NZS 3678 Grade 450 overlap closely enough on chemistry and mechanical properties that AS/NZS 3678 Grade 450 is often considered as a substitute for IS 2062 (Part 1) E300C in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
IS 2062 (Part 1) E300C
No active listings currently.
AS/NZS 3678 Grade 450
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–4200 mm (98.43–165.35 in)
On M-EX Right Now
IS 2062 (Part 1) E300C
0 active listings and RFQs →
AS/NZS 3678 Grade 450
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 2062 (Part 1) E300C and AS/NZS 3678 Grade 450?
IS 2062 (Part 1) E300C specifies CEV which is not specified for AS/NZS 3678 Grade 450.
Can IS 2062 (Part 1) E300C be substituted with AS/NZS 3678 Grade 450?
IS 2062 (Part 1) E300C and AS/NZS 3678 Grade 450 overlap closely enough on chemistry and mechanical properties that AS/NZS 3678 Grade 450 is often considered as a substitute for IS 2062 (Part 1) E300C in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.