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AS/NZS 3678 Grade 250 vs AS/NZS 3679.1 350

Related Material — 67.1% match based on chemical composition and mechanical property overlap.

AS/NZS 3678 Grade 250 (AS/NZS 3678:2016) and AS/NZS 3679.1 350 (AS/NZS 3679.1:2016) are both steel grades. Both fall under the Structural Steel category. AS/NZS 3678 Grade 250 is typically used for structural fabrication,buildings,bridges,general construction,machinery frames,welded structures,plates, while AS/NZS 3679.1 350 is commonly used for hot-rolled structural bars and sections for primary structural beams, columns, and framing. AS/NZS 3678 Grade 250 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand, while AS/NZS 3679.1 350 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, AS/NZS 3678 Grade 250 vs AS/NZS 3679.1 350 is a 94.9% match. As per mechanical properties, the match is 11.6%. Combined, this makes them a related material overall at 67.1%.

Frequently Compared With AS/NZS 3678 Grade 250:
ASTM A1008 SS Grade 50 CSA G40.21 400A GOST 19281 09G2S CSA G40.21 260W AS/NZS 3679.1 300 CSA G40.21 400W CSA G40.21 480W CSA G40.21 300W CSA G40.21 350W ASTM A1008 SS Grade 80 ASTM A283C ASTM A572 Gr.65
Match Breakdown
CHEMISTRY MATCH
94.9%
MECHANICAL MATCH
11.6%
OVERALL
67.1%
Specifications
Property AS/NZS 3678 Grade 250 AS/NZS 3679.1 350
Standard AS/NZS 3678:2016 AS/NZS 3679.1:2016
Category Structural Steel Structural Steel
C (%) <=0.22 <=0.22
Mn (%) <=1.70 <=1.70
P (%) <=0.040 <=0.040
S (%) <=0.040 <=0.040
Si (%) Not specified <=0.50
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 250 AS/NZS 3679.1 350
Tensile Strength 410-560 MPa 480-640 MPa
Yield Strength 250 MPa min 350 MPa min
Elongation 22-25 % 20% min
Typical Applications
AS/NZS 3678 Grade 250
structural fabrication,buildings,bridges,general construction,machinery frames,welded structures,plates
AS/NZS 3679.1 350
Hot-rolled structural bars and sections for primary structural beams, columns, and framing
Key Differences
Can AS/NZS 3678 Grade 250 Be Substituted With AS/NZS 3679.1 350?
AS/NZS 3678 Grade 250 and AS/NZS 3679.1 350 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 250
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2900–3700 mm (114.17–145.67 in)
AS/NZS 3679.1 350
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2900–3200 mm (114.17–125.98 in)
On M-EX Right Now
AS/NZS 3678 Grade 250
2 active listings and RFQs →
AS/NZS 3679.1 350
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between AS/NZS 3678 Grade 250 and AS/NZS 3679.1 350?
AS/NZS 3679.1 350 specifies Si which is not specified for AS/NZS 3678 Grade 250.
Can AS/NZS 3678 Grade 250 be substituted with AS/NZS 3679.1 350?
AS/NZS 3678 Grade 250 and AS/NZS 3679.1 350 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.