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ASTM A1008 SS Grade 50 vs CSA G40.21 300W

Related Material — 61.7% match based on chemical composition and mechanical property overlap.

ASTM A1008 SS Grade 50 (ASTM A1008) and CSA G40.21 300W (CSA G40.21-13 (R2023)) are both steel grades. Both fall under the Structural Steel category. ASTM A1008 SS Grade 50 is typically used for cold-rolled high-strength structural steel sheet; automotive structural components, cold-formed parts requiring moderate strength, while CSA G40.21 300W is commonly used for structural fabrication,bridges,buildings,machinery frames,general construction,welded structures. ASTM A1008 SS Grade 50 is defined under ASTM International, originating from United States, while CSA G40.21 300W is defined under Canadian Standards Association (CSA), originating from Canada.

As per chemical composition, ASTM A1008 SS Grade 50 vs CSA G40.21 300W is a 92.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 61.7%.

Frequently Compared With ASTM A1008 SS Grade 50:
AS/NZS 1595 C450 GOST 19281 09G2S AS/NZS 3679.1 350 CSA G40.21 400A ASTM A1008 SS Grade 80 AS/NZS 1595 C350 ASTM A283C AS/NZS 3679.1 300 CSA G40.21 400W CSA G40.21 260W CSA G40.21 350W CSA G40.21 480W
Match Breakdown
CHEMISTRY MATCH
92.6%
MECHANICAL MATCH
0%
OVERALL
61.7%
Specifications
Property ASTM A1008 SS Grade 50 CSA G40.21 300W
Standard ASTM A1008 CSA G40.21-13 (R2023)
Category Structural Steel Structural Steel
C (%) <=0.20 <=0.23
Mn (%) <=1.35 <=1.50
Si (%) <=0.50 Not specified
P (%) <=0.040 <=0.040
S (%) <=0.040 <=0.050
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A1008 SS Grade 50 CSA G40.21 300W
Tensile Strength 380 MPa min 450-620 MPa
Yield Strength 340 MPa min 300 MPa min
Elongation 14% min 20-23 %
Typical Applications
ASTM A1008 SS Grade 50
Cold-rolled high-strength structural steel sheet; automotive structural components, cold-formed parts requiring moderate strength
CSA G40.21 300W
structural fabrication,bridges,buildings,machinery frames,general construction,welded structures
Key Differences
Can ASTM A1008 SS Grade 50 Be Substituted With CSA G40.21 300W?
ASTM A1008 SS Grade 50 and CSA G40.21 300W 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 A1008 SS Grade 50
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2700–3400 mm (106.3–133.86 in)
CSA G40.21 300W
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2700–2800 mm (106.3–110.24 in)
On M-EX Right Now
ASTM A1008 SS Grade 50
2 active listings and RFQs →
CSA G40.21 300W
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A1008 SS Grade 50 and CSA G40.21 300W?
ASTM A1008 SS Grade 50 specifies Si which is not specified for CSA G40.21 300W.
Can ASTM A1008 SS Grade 50 be substituted with CSA G40.21 300W?
ASTM A1008 SS Grade 50 and CSA G40.21 300W 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.