Post Stock Login Register

CSA G40.21 480A vs CSA G40.21 260WT

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

CSA G40.21 480A (CSA G40.21-13 (R2023)) and CSA G40.21 260WT (CSA G40.21-13 (R2023)) are both steel grades. Both fall under the Structural Steel (Corten / Weathering) category. CSA G40.21 480A is typically used for high-strength atmospheric corrosion-resistant (weathering) structural steel; heavy exposed structural members, bridge girders, while CSA G40.21 260WT is commonly used for weldable structural steel with guaranteed charpy v-notch low-temperature toughness; secondary members, stair stringers, bracing in cold-climate service. CSA G40.21 480A is defined under Canadian Standards Association (CSA), originating from Canada, while CSA G40.21 260WT is defined under Canadian Standards Association (CSA), originating from Canada.

As per chemical composition, CSA G40.21 480A vs CSA G40.21 260WT is a 91.2% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With CSA G40.21 480A:
CSA G40.21 350A EN 10025-5 S355J2W ASTM A588 Grade A EN 10025-5 S355J0WP CSA G40.21 50W EN 10025-5 S355J2WP ASTM A588 JIS G3114 SMA400 AS/NZS 3678 Grade 350WR ASTM A588 Grade B ASTM A709 Grade HPS 70W EN 10025-5 S235J2W
Match Breakdown
CHEMISTRY MATCH
91.2%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property CSA G40.21 480A CSA G40.21 260WT
Standard CSA G40.21-13 (R2023) CSA G40.21-13 (R2023)
Category Structural Steel (Corten / Weathering) Structural Steel (Corten / Weathering)
C (%) <=0.23 <=0.20
Mn (%) <=1.60 <=1.35
Si (%) <=0.40 <=0.40
P (%) <=0.035 <=0.035
S (%) <=0.035 <=0.035
Cu (%) 0.20-0.40 0.20-0.40
Cr (%) 0.40-0.65 0.40-0.65
Ni (%) Not specified <=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 CSA G40.21 480A CSA G40.21 260WT
Tensile Strength 620-760 MPa 380-480 MPa
Yield Strength 480 MPa min 260 MPa min
Elongation 15% min 23% min
Impact 27J at 0°C 27J at -20°C
Typical Applications
CSA G40.21 480A
High-strength atmospheric corrosion-resistant (weathering) structural steel; heavy exposed structural members, bridge girders
CSA G40.21 260WT
Weldable structural steel with guaranteed Charpy V-notch low-temperature toughness; secondary members, stair stringers, bracing in cold-climate service
Key Differences
Can CSA G40.21 480A Be Substituted With CSA G40.21 260WT?
CSA G40.21 480A and CSA G40.21 260WT 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 480A
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–3400 mm (98.43–133.86 in)
CSA G40.21 260WT
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2600–2900 mm (102.36–114.17 in)
On M-EX Right Now
CSA G40.21 480A
2 active listings and RFQs →
CSA G40.21 260WT
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between CSA G40.21 480A and CSA G40.21 260WT?
CSA G40.21 260WT specifies Ni which is not specified for CSA G40.21 480A.
Can CSA G40.21 480A be substituted with CSA G40.21 260WT?
CSA G40.21 480A and CSA G40.21 260WT 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.