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CSA G40.21 400A vs CSA G40.21 480W

Related Material — 68.7% match based on chemical composition and mechanical property overlap.

CSA G40.21 400A (CSA G40.21-13 (R2023)) and CSA G40.21 480W (CSA G40.21-13 (R2023)) are both steel grades. Both fall under the Structural Steel category. CSA G40.21 400A is typically used for atmospheric corrosion-resistant (weathering) structural steel; exposed bridge girders and structural members where high strength and weathering resistance are both needed, while CSA G40.21 480W is commonly used for heavy cranes, offshore structures, high-rise building frames, pressure vessels, heavy mining equipment.. CSA G40.21 400A is defined under Canadian Standards Association (CSA), originating from Canada, while CSA G40.21 480W is defined under Canadian Standards Association (CSA), originating from Canada.

As per chemical composition, CSA G40.21 400A vs CSA G40.21 480W is a 95.7% match. As per mechanical properties, the match is 14.8%. Combined, this makes them a related material overall at 68.7%.

Frequently Compared With CSA G40.21 400A:
CSA G40.21 350W ASTM A1008 SS Grade 50 AS/NZS 1595 C450 ASTM A1008 SS Grade 80 AS/NZS 1595 C350 IS 2062 E250A CSA G40.21 260W CSA G40.21 300W CSA G40.21 400W ASTM A572 Grade 50 ASTM A283C IS 2062 E250B0
Match Breakdown
CHEMISTRY MATCH
95.7%
MECHANICAL MATCH
14.8%
OVERALL
68.7%
Specifications
Property CSA G40.21 400A CSA G40.21 480W
Standard CSA G40.21-13 (R2023) CSA G40.21-13 (R2023)
Category Structural Steel Structural Steel
C (%) <=0.23 max 0.23
Mn (%) <=1.60 max 1.7
Si (%) <=0.40 max 0.5
P (%) <=0.035 max 0.035
S (%) <=0.035 max 0.035
Cu (%) 0.20-0.40 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 CSA G40.21 400A CSA G40.21 480W
Tensile Strength 520-670 MPa 590-790 MPa
Yield Strength 400 MPa min 480 MPa min
Elongation 17% min Not specified
Impact 27J at 0°C Not specified
Typical Applications
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
CSA G40.21 480W
Heavy cranes, offshore structures, high-rise building frames, pressure vessels, heavy mining equipment.
Key Differences
Can CSA G40.21 400A Be Substituted With CSA G40.21 480W?
CSA G40.21 400A and CSA G40.21 480W 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
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)
CSA G40.21 480W
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2900–3000 mm (114.17–118.11 in)
On M-EX Right Now
CSA G40.21 400A
2 active listings and RFQs →
CSA G40.21 480W
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between CSA G40.21 400A and CSA G40.21 480W?
CSA G40.21 400A specifies Cu which is not specified for CSA G40.21 480W.
Can CSA G40.21 400A be substituted with CSA G40.21 480W?
CSA G40.21 400A and CSA G40.21 480W 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.