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AS/NZS 3678 Grade 350WR vs JIS G3114 SMA400

Related Material — 58.3% match based on chemical composition and mechanical property overlap.

AS/NZS 3678 Grade 350WR (AS/NZS 3678:2016) and JIS G3114 SMA400 (JIS G 3114:2022) are both steel grades. Both fall under the Structural Steel (Corten / Weathering) category. AS/NZS 3678 Grade 350WR is typically used for weather-resistant (corrosion-resistant) structural steel; exposed bridge and structural applications requiring atmospheric corrosion resistance, while JIS G3114 SMA400 is commonly used for used in bridges, transmission towers, railway wagons, containers, and structural frameworks.. AS/NZS 3678 Grade 350WR is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand, while JIS G3114 SMA400 is defined under Japanese Industrial Standards (JIS), originating from Japan.

As per chemical composition, AS/NZS 3678 Grade 350WR vs JIS G3114 SMA400 is a 83% match. As per mechanical properties, the match is 9.1%. Combined, this makes them a related material overall at 58.3%.

Frequently Compared With AS/NZS 3678 Grade 350WR:
EN 10025-5 S355J0WP CSA G40.21 350A ASTM A588 EN 10025-5 S355J2W EN 10025-5 S355J2WP CSA G40.21 50W ASTM A588 Grade A CSA G40.21 260WT ASTM A709 Grade HPS 70W CSA G40.21 480A ASTM A588 Grade B EN 10025-5 S235J2W
Match Breakdown
CHEMISTRY MATCH
83%
MECHANICAL MATCH
9.1%
OVERALL
58.3%
Specifications
Property AS/NZS 3678 Grade 350WR JIS G3114 SMA400
Standard AS/NZS 3678:2016 JIS G 3114:2022
Category Structural Steel (Corten / Weathering) Structural Steel (Corten / Weathering)
C (%) <=0.20 0.18 max
Mn (%) <=1.70 0.60-1.40
Si (%) <=0.50 0.35-0.75
P (%) <=0.035 0.035 max
S (%) <=0.035 0.035 max
Cu (%) 0.25-0.55 0.20-0.50
Cr (%) 0.40-0.80 0.30-1.25
Ni (%) <=0.65 0.20-0.65
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 350WR JIS G3114 SMA400
Tensile Strength 480-620 MPa 400-540 MPa
Yield Strength 350 MPa min 245 MPa min
Elongation 20% min 17% min
Hardness Not specified 120-170 HB
Typical Applications
AS/NZS 3678 Grade 350WR
Weather-resistant (corrosion-resistant) structural steel; exposed bridge and structural applications requiring atmospheric corrosion resistance
JIS G3114 SMA400
Used in bridges, transmission towers, railway wagons, containers, and structural frameworks.
Can AS/NZS 3678 Grade 350WR Be Substituted With JIS G3114 SMA400?
AS/NZS 3678 Grade 350WR and JIS G3114 SMA400 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 350WR
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–2800 mm (98.43–110.24 in)
JIS G3114 SMA400
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2800–4100 mm (110.24–161.42 in)
On M-EX Right Now
AS/NZS 3678 Grade 350WR
2 active listings and RFQs →
JIS G3114 SMA400
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between AS/NZS 3678 Grade 350WR and JIS G3114 SMA400?
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 350WR be substituted with JIS G3114 SMA400?
AS/NZS 3678 Grade 350WR and JIS G3114 SMA400 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.