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ASTM A572/A572M Grade 55 vs AS/NZS 3679.1 350

Related Material — 63.5% match based on chemical composition and mechanical property overlap.

ASTM A572/A572M Grade 55 (ASTM A572/A572M:2018) and AS/NZS 3679.1 350 (AS/NZS 3679.1:2016) are both steel grades. Both fall under the Structural Steel category. ASTM A572/A572M Grade 55 is typically used for riveted, bolted or welded structures, while AS/NZS 3679.1 350 is commonly used for hot-rolled structural bars and sections for primary structural beams, columns, and framing. ASTM A572/A572M Grade 55 is defined under ASTM International, originating from United States, while AS/NZS 3679.1 350 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, ASTM A572/A572M Grade 55 vs AS/NZS 3679.1 350 is a 95.2% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 63.5%.

Frequently Compared With ASTM A572/A572M Grade 55:
CSA G40.21 350W CSA G40.21 260W CSA G40.21 300W CSA G40.21 400A CSA G40.21 400W ASTM A1008 SS Grade 50 ASTM A1008 SS Grade 80 ASTM A572 Gr.65
Other Structural Steel Grades to Compare With ASTM A572/A572M Grade 55:
GOST 19281 09G2S AS/NZS 3679.1 300 CSA G40.21 480W ASTM A283C
Match Breakdown
CHEMISTRY MATCH
95.2%
MECHANICAL MATCH
0%
OVERALL
63.5%
Specifications
Property ASTM A572/A572M Grade 55 AS/NZS 3679.1 350
Standard ASTM A572/A572M:2018 AS/NZS 3679.1:2016
Category Structural Steel Structural Steel
C (%) <=0.25 <=0.22
Mn (%) <=1.35 <=1.70
P (%) <=0.030 <=0.040
S (%) <=0.030 <=0.040
Si (%) <=0.40 <=0.50
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 55 AS/NZS 3679.1 350
Tensile Strength >=485 MPa 480-640 MPa
Yield Strength >=380 MPa 350 MPa min
Elongation >=17% 20% min
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 55
Riveted, bolted or welded structures
AS/NZS 3679.1 350
Hot-rolled structural bars and sections for primary structural beams, columns, and framing
Can ASTM A572/A572M Grade 55 Be Substituted With AS/NZS 3679.1 350?
ASTM A572/A572M Grade 55 and AS/NZS 3679.1 350 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 55
No active listings currently.
AS/NZS 3679.1 350
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2900–3200 mm (114.17–125.98 in)
On M-EX Right Now
ASTM A572/A572M Grade 55
0 active listings and RFQs →
AS/NZS 3679.1 350
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A572/A572M Grade 55 and AS/NZS 3679.1 350?
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 55 be substituted with AS/NZS 3679.1 350?
ASTM A572/A572M Grade 55 and AS/NZS 3679.1 350 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.