ASTM A572/A572M Grade 60 vs AS/NZS 3678 Grade 400

Close Alternative — 80.4% match based on chemical composition and mechanical property overlap.

ASTM A572/A572M Grade 60 (ASTM A572/A572M:2018) and AS/NZS 3678 Grade 400 (AS/NZS 3678:2016) are both steel grades. Both fall under the Structural Steel category. ASTM A572/A572M Grade 60 is typically used for riveted or bolted bridge construction, or riveted, bolted or welded construction in other applications, while AS/NZS 3678 Grade 400 is commonly used for heavy structural fabrication, crane booms, mining machinery, earthmoving equipment, structural columns.. ASTM A572/A572M Grade 60 is defined under ASTM International, originating from United States, while AS/NZS 3678 Grade 400 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, ASTM A572/A572M Grade 60 vs AS/NZS 3678 Grade 400 is a 95.6% match. As per mechanical properties, the match is 50%. Combined, this makes them a close alternative overall at 80.4%.

Frequently Compared With ASTM A572/A572M Grade 60:
CSA G40.21 260W AS/NZS 3679.1 300 CSA G40.21 300W CSA G40.21 350W CSA G40.21 400W CSA G40.21 480W ASTM A1008 SS Grade 80 ASTM A283C
Other Structural Steel Grades to Compare With ASTM A572/A572M Grade 60:
GOST 19281 09G2S AS/NZS 3679.1 350 CSA G40.21 400A ASTM A1008 SS Grade 50
Match Breakdown
CHEMISTRY MATCH
95.6%
MECHANICAL MATCH
50%
OVERALL
80.4%
Specifications
Property ASTM A572/A572M Grade 60 AS/NZS 3678 Grade 400
Standard ASTM A572/A572M:2018 AS/NZS 3678:2016
Category Structural Steel Structural Steel
C (%) <=0.26 max 0.2
Mn (%) <=1.35 max 1.6
P (%) <=0.030 max 0.03
S (%) <=0.030 max 0.03
Si (%) <=0.40 max 0.55
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 60 AS/NZS 3678 Grade 400
Tensile Strength >=520 MPa ~520 MPa min (approx, equivalent to ASTM A572 Gr.60)
Yield Strength >=415 MPa 400 MPa min (t<=12mm)
Elongation >=16% 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 60
Riveted or bolted bridge construction, or riveted, bolted or welded construction in other applications
AS/NZS 3678 Grade 400
Heavy structural fabrication, crane booms, mining machinery, earthmoving equipment, structural columns.
Can ASTM A572/A572M Grade 60 Be Substituted With AS/NZS 3678 Grade 400?
ASTM A572/A572M Grade 60 and AS/NZS 3678 Grade 400 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
ASTM A572/A572M Grade 60
No active listings currently.
AS/NZS 3678 Grade 400
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3000–3700 mm (118.11–145.67 in)
On M-EX Right Now
ASTM A572/A572M Grade 60
0 active listings and RFQs →
AS/NZS 3678 Grade 400
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A572/A572M Grade 60 and AS/NZS 3678 Grade 400?
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 60 be substituted with AS/NZS 3678 Grade 400?
ASTM A572/A572M Grade 60 and AS/NZS 3678 Grade 400 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.