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ASTM A572/A572M Grade 55 vs AS/NZS Grade 500

Strong Match — 95.8% match based on chemical composition and mechanical property overlap.

ASTM A572/A572M Grade 55 (ASTM A572/A572M:2018) and AS/NZS Grade 500 (AS/NZS 3597:2008) 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 Grade 500 is commonly used for heavy mining equipment, bulldozer blades, wear-resistant structural applications, large crane booms, offshore jackets.. ASTM A572/A572M Grade 55 is defined under ASTM International, originating from United States, while AS/NZS Grade 500 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 Grade 500 is a 95.8% 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 95.8%.

Frequently Compared With ASTM A572/A572M Grade 55:
CSA G40.21 350W ASTM A1008 SS Grade 50 GOST 19281 09G2S CSA G40.21 260W AS/NZS 3679.1 300 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
Match Breakdown
CHEMISTRY MATCH
95.8%
MECHANICAL MATCH
No shared data
OVERALL
95.8%
Specifications
Property ASTM A572/A572M Grade 55 AS/NZS Grade 500
Standard ASTM A572/A572M:2018 AS/NZS 3597:2008
Category Structural Steel Structural Steel
C (%) <=0.25 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 55 AS/NZS Grade 500
Tensile Strength >=485 MPa Not specified
Yield Strength >=380 MPa Not specified
Elongation >=17% 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 55
Riveted, bolted or welded structures
AS/NZS Grade 500
Heavy mining equipment, bulldozer blades, wear-resistant structural applications, large crane booms, offshore jackets.
Can ASTM A572/A572M Grade 55 Be Substituted With AS/NZS Grade 500?
ASTM A572/A572M Grade 55 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 ASTM A572/A572M Grade 55 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
ASTM A572/A572M Grade 55
No active listings currently.
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
ASTM A572/A572M Grade 55
0 active listings and RFQs →
AS/NZS Grade 500
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A572/A572M Grade 55 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 ASTM A572/A572M Grade 55 be substituted with AS/NZS Grade 500?
ASTM A572/A572M Grade 55 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 ASTM A572/A572M Grade 55 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.