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AS/NZS 3678 Grade 400 vs AS/NZS Grade 500

Strong Match — 100% match based on chemical composition and mechanical property overlap.

AS/NZS 3678 Grade 400 (AS/NZS 3678:2016) and AS/NZS Grade 500 (AS/NZS 3597:2008) are both steel grades. Both fall under the Structural Steel category. AS/NZS 3678 Grade 400 is typically used for heavy structural fabrication, crane booms, mining machinery, earthmoving equipment, structural columns., while AS/NZS Grade 500 is commonly used for heavy mining equipment, bulldozer blades, wear-resistant structural applications, large crane booms, offshore jackets.. AS/NZS 3678 Grade 400 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand, while AS/NZS Grade 500 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, AS/NZS 3678 Grade 400 vs AS/NZS Grade 500 is a 100% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 100%.

Frequently Compared With AS/NZS 3678 Grade 400:
AS/NZS 1595 C450 AS/NZS 3679.1 300 AS/NZS 1595 C350 AS/NZS 3679.1 350 IS 2062 E250A IS 2062 E250B0 ASTM A1008 SS Grade 50 ASTM A1008 SS Grade 80 ASTM A283C CSA G40.21 300W ASTM A572 Gr.65 CSA G40.21 400A
Match Breakdown
CHEMISTRY MATCH
100%
MECHANICAL MATCH
No shared data
OVERALL
100%
Specifications
Property AS/NZS 3678 Grade 400 AS/NZS Grade 500
Standard AS/NZS 3678:2016 AS/NZS 3597:2008
Category Structural Steel Structural Steel
C (%) max 0.2 max 0.2
Mn (%) max 1.6 max 1.6
Si (%) max 0.55 max 0.55
P (%) max 0.03 max 0.03
S (%) max 0.03 max 0.03
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property AS/NZS 3678 Grade 400 AS/NZS Grade 500
Yield Strength 400 MPa min (t<=12mm) Not specified
Tensile Strength ~520 MPa min (approx, equivalent to ASTM A572 Gr.60) Not specified
Typical Applications
AS/NZS 3678 Grade 400
Heavy structural fabrication, crane booms, mining machinery, earthmoving equipment, structural columns.
AS/NZS Grade 500
Heavy mining equipment, bulldozer blades, wear-resistant structural applications, large crane booms, offshore jackets.
Can AS/NZS 3678 Grade 400 Be Substituted With AS/NZS Grade 500?
AS/NZS 3678 Grade 400 and AS/NZS Grade 500 overlap closely enough on chemistry and mechanical properties that AS/NZS Grade 500 is often considered as a substitute for AS/NZS 3678 Grade 400 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
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)
AS/NZS Grade 500
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3100–3600 mm (122.05–141.73 in)
On M-EX Right Now
AS/NZS 3678 Grade 400
2 active listings and RFQs →
AS/NZS Grade 500
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between AS/NZS 3678 Grade 400 and AS/NZS Grade 500?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can AS/NZS 3678 Grade 400 be substituted with AS/NZS Grade 500?
AS/NZS 3678 Grade 400 and AS/NZS Grade 500 overlap closely enough on chemistry and mechanical properties that AS/NZS Grade 500 is often considered as a substitute for AS/NZS 3678 Grade 400 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.