ASTM A572/A572M Grade 50 vs CSA G40.21 260W

Related Material — 66% match based on chemical composition and mechanical property overlap.

ASTM A572/A572M Grade 50 (ASTM A572/A572M:2018) and CSA G40.21 260W (CSA G40.21-13 (R2023)) are both steel grades. Both fall under the Structural Steel category. ASTM A572/A572M Grade 50 is typically used for riveted, bolted or welded structures, while CSA G40.21 260W is commonly used for bridges, buildings, general structural fabrication, storage tanks, older infrastructure projects.. ASTM A572/A572M Grade 50 is defined under ASTM International, originating from United States, while CSA G40.21 260W is defined under Canadian Standards Association (CSA), originating from Canada.

As per chemical composition, ASTM A572/A572M Grade 50 vs CSA G40.21 260W is a 99% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 66%.

Frequently Compared With ASTM A572/A572M Grade 50:
CSA G40.21 400W ASTM A1008 SS Grade 50 ASTM A283C ASTM A572 Grade 50 GOST 19281 09G2S AS/NZS 3679.1 300 CSA G40.21 480W ASTM A1008 SS Grade 80 CSA G40.21 300W AS/NZS 3679.1 350 CSA G40.21 350W CSA G40.21 400A
Match Breakdown
CHEMISTRY MATCH
99%
MECHANICAL MATCH
0%
OVERALL
66%
Specifications
Property ASTM A572/A572M Grade 50 CSA G40.21 260W
Standard ASTM A572/A572M:2018 CSA G40.21-13 (R2023)
Category Structural Steel Structural Steel
C (%) <=0.23 max 0.23
Mn (%) <=1.35 max 1.4
P (%) <=0.030 max 0.035
S (%) <=0.030 max 0.035
Si (%) <=0.40 max 0.4
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A572/A572M Grade 50 CSA G40.21 260W
Tensile Strength >=450 MPa 410-590 MPa
Yield Strength >=345 MPa 260 MPa min
Elongation >=18% Not specified
Condition Tension test per Table 4; one set of minimum values for all product thicknesses; Elongation is in 200 mm gauge length, 50 mm values in the tensile block Not specified
Typical Applications
ASTM A572/A572M Grade 50
Riveted, bolted or welded structures
CSA G40.21 260W
Bridges, buildings, general structural fabrication, storage tanks, older infrastructure projects.
Can ASTM A572/A572M Grade 50 Be Substituted With CSA G40.21 260W?
ASTM A572/A572M Grade 50 and CSA G40.21 260W 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
ASTM A572/A572M Grade 50
No active listings currently.
CSA G40.21 260W
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3400–4000 mm (133.86–157.48 in)
On M-EX Right Now
ASTM A572/A572M Grade 50
0 active listings and RFQs →
CSA G40.21 260W
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A572/A572M Grade 50 and CSA G40.21 260W?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A572/A572M Grade 50 be substituted with CSA G40.21 260W?
ASTM A572/A572M Grade 50 and CSA G40.21 260W 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.