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AS/NZS 3678 Grade 250 vs ASTM A283C

Close Alternative — 71.8% match based on chemical composition and mechanical property overlap.

AS/NZS 3678 Grade 250 (AS/NZS 3678:2016) and ASTM A283C (ASTM A283) 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 ASTM A283C is commonly used for used for structural fabrication, storage tanks, buildings, bridges, machinery bases, and welded structures.. AS/NZS 3678 Grade 250 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand, while ASTM A283C is defined under ASTM International, originating from United States.

As per chemical composition, AS/NZS 3678 Grade 250 vs ASTM A283C is a 91.2% match. As per mechanical properties, the match is 32.8%. Combined, this makes them a close alternative overall at 71.8%.

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 3679.1 350 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 A572 Gr.65
Match Breakdown
CHEMISTRY MATCH
91.2%
MECHANICAL MATCH
32.8%
OVERALL
71.8%
Specifications
Property AS/NZS 3678 Grade 250 ASTM A283C
Standard AS/NZS 3678:2016 ASTM A283
Category Structural Steel Structural Steel
C (%) <=0.22 0.24 max
Mn (%) <=1.70 0.90 max
P (%) <=0.040 0.035 max
S (%) <=0.040 0.040 max
Si (%) Not specified 0.40 max
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 ASTM A283C
Tensile Strength 410-560 MPa 380-515 MPa
Yield Strength 250 MPa min 205 MPa min
Elongation 22-25 % 23-27%
Hardness Not specified 120-170 HB
Typical Applications
AS/NZS 3678 Grade 250
structural fabrication,buildings,bridges,general construction,machinery frames,welded structures,plates
ASTM A283C
Used for structural fabrication, storage tanks, buildings, bridges, machinery bases, and welded structures.
Key Differences
Can AS/NZS 3678 Grade 250 Be Substituted With ASTM A283C?
AS/NZS 3678 Grade 250 and ASTM A283C 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
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)
ASTM A283C
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)
On M-EX Right Now
AS/NZS 3678 Grade 250
2 active listings and RFQs →
ASTM A283C
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between AS/NZS 3678 Grade 250 and ASTM A283C?
ASTM A283C specifies Si which is not specified for AS/NZS 3678 Grade 250.
Can AS/NZS 3678 Grade 250 be substituted with ASTM A283C?
AS/NZS 3678 Grade 250 and ASTM A283C 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.