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AS/NZS 3678 Grade 400 vs AS/NZS 3678 Grade 350L0

Related Material — 66.7% match based on chemical composition and mechanical property overlap.

AS/NZS 3678 Grade 400 (AS/NZS 3678:2016) and AS/NZS 3678 Grade 350L0 (AS/NZS 3678:2016) 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 3678 Grade 350L0 is commonly used for refrigerated storage structures, cold climate construction, lng facility structural steel, antarctic research stations.. AS/NZS 3678 Grade 400 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand, while AS/NZS 3678 Grade 350L0 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 3678 Grade 350L0 is a 100% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 66.7%.

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
0%
OVERALL
66.7%
Specifications
Property AS/NZS 3678 Grade 400 AS/NZS 3678 Grade 350L0
Standard AS/NZS 3678:2016 AS/NZS 3678:2016
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 3678 Grade 350L0
Yield Strength 400 MPa min (t<=12mm) 350 MPa min
Tensile Strength ~520 MPa min (approx, equivalent to ASTM A572 Gr.60) Not specified
Note Not specified L0 designation: low-temperature Charpy impact tested
Typical Applications
AS/NZS 3678 Grade 400
Heavy structural fabrication, crane booms, mining machinery, earthmoving equipment, structural columns.
AS/NZS 3678 Grade 350L0
Refrigerated storage structures, cold climate construction, LNG facility structural steel, Antarctic research stations.
Can AS/NZS 3678 Grade 400 Be Substituted With AS/NZS 3678 Grade 350L0?
AS/NZS 3678 Grade 400 and AS/NZS 3678 Grade 350L0 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
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 3678 Grade 350L0
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–3000 mm (98.43–118.11 in)
On M-EX Right Now
AS/NZS 3678 Grade 400
2 active listings and RFQs →
AS/NZS 3678 Grade 350L0
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between AS/NZS 3678 Grade 400 and AS/NZS 3678 Grade 350L0?
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 3678 Grade 350L0?
AS/NZS 3678 Grade 400 and AS/NZS 3678 Grade 350L0 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.