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ASTM A572 Gr.65 vs AS/NZS 3679.1 300

Related Material — 64.2% match based on chemical composition and mechanical property overlap.

ASTM A572 Gr.65 (ASTM A572) and AS/NZS 3679.1 300 (AS/NZS 3679.1:2016) are both steel grades. Both fall under the Structural Steel category. ASTM A572 Gr.65 is typically used for used for bridges, buildings, transmission towers, construction equipment, offshore structures, and structural members., while AS/NZS 3679.1 300 is commonly used for hot-rolled structural bars and sections for general structural framing. ASTM A572 Gr.65 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 Gr.65 vs AS/NZS 3679.1 300 is a 92.9% match. As per mechanical properties, the match is 6.7%. Combined, this makes them a related material overall at 64.2%.

Frequently Compared With ASTM A572 Gr.65:
ASTM A572 Grade 50 ASTM A283C GOST 19281 09G2S CSA G40.21 260W CSA G40.21 300W CSA G40.21 350W CSA G40.21 400W AS/NZS 3679.1 350 CSA G40.21 480W AS/NZS 1595 C450 ASTM A1008 SS Grade 50 ASTM A1008 SS Grade 80
Match Breakdown
CHEMISTRY MATCH
92.9%
MECHANICAL MATCH
6.7%
OVERALL
64.2%
Specifications
Property ASTM A572 Gr.65 AS/NZS 3679.1 300
Standard ASTM A572 AS/NZS 3679.1:2016
Category Structural Steel Structural Steel
C (%) 0.23 max <=0.22
Mn (%) 1.35 max <=1.70
Si (%) 0.40 max <=0.50
V (%) 0.15 max Not specified
Nb (%) 0.05 max Not specified
P (%) 0.040 max <=0.040
S (%) 0.050 max <=0.040
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 Gr.65 AS/NZS 3679.1 300
Tensile Strength 550-690 MPa 440-600 MPa
Yield Strength 450 MPa min 300 MPa min
Elongation 18-21% 22% min
Hardness 170-220 HB Not specified
Typical Applications
ASTM A572 Gr.65
Used for bridges, buildings, transmission towers, construction equipment, offshore structures, and structural members.
AS/NZS 3679.1 300
Hot-rolled structural bars and sections for general structural framing
Key Differences
Can ASTM A572 Gr.65 Be Substituted With AS/NZS 3679.1 300?
ASTM A572 Gr.65 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 Gr.65
Plate → (4 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2600–4400 mm (102.36–173.23 in)
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 Gr.65
4 active listings and RFQs →
AS/NZS 3679.1 300
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A572 Gr.65 and AS/NZS 3679.1 300?
ASTM A572 Gr.65 specifies V, Nb which are not specified for AS/NZS 3679.1 300.
Can ASTM A572 Gr.65 be substituted with AS/NZS 3679.1 300?
ASTM A572 Gr.65 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.