ASTM A572/A572M Grade 55 vs AS/NZS 3679.1 300

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 3679.1 300 (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 3679.1 300 is commonly used for hot-rolled structural bars and sections for general structural framing. ASTM A572/A572M Grade 55 is defined under ASTM International, originating from United States, while AS/NZS 3679.1 300 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 3679.1 300 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 ASTM A1008 SS Grade 50 GOST 19281 09G2S CSA G40.21 260W CSA G40.21 300W AS/NZS 3679.1 350 CSA G40.21 400A CSA G40.21 400W ASTM A1008 SS Grade 80 ASTM A572 Gr.65
Other Structural Steel Grades to Compare With ASTM A572/A572M Grade 55:
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 3679.1 300
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 3679.1 300
Tensile Strength >=485 MPa 440-600 MPa
Yield Strength >=380 MPa 300 MPa min
Elongation >=17% 22% 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 3679.1 300
Hot-rolled structural bars and sections for general structural framing
Can ASTM A572/A572M Grade 55 Be Substituted With AS/NZS 3679.1 300?
ASTM A572/A572M Grade 55 and AS/NZS 3679.1 300 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 3679.1 300
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2700–2700 mm (106.3–106.3 in)
On M-EX Right Now
ASTM A572/A572M Grade 55
0 active listings and RFQs →
AS/NZS 3679.1 300
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A572/A572M Grade 55 and AS/NZS 3679.1 300?
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 3679.1 300?
ASTM A572/A572M Grade 55 and AS/NZS 3679.1 300 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.