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GB/T 700 Q235 vs AS/NZS 3679.1 300

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

GB/T 700 Q235 (GB/T 700-2006) and AS/NZS 3679.1 300 (AS/NZS 3679.1:2016) are both steel grades. Both fall under the Structural Steel category. GB/T 700 Q235 is typically used for general structural fabrication, bridges, buildings, while AS/NZS 3679.1 300 is commonly used for hot-rolled structural bars and sections for general structural framing. GB/T 700 Q235 is defined under Guobiao Standards (GB/T), originating from China, while AS/NZS 3679.1 300 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, GB/T 700 Q235 vs AS/NZS 3679.1 300 is a 82.7% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With GB/T 700 Q235:
GOST 19281 09G2S CSA G40.21 350W ASTM A1008 SS Grade 50 ASTM A572 Gr.65 ASTM A1008 SS Grade 80 CSA G40.21 400A CSA G40.21 400W CSA G40.21 300W AS/NZS 3679.1 350 CSA G40.21 480W ASTM A283C CSA G40.21 260W
Match Breakdown
CHEMISTRY MATCH
82.7%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property GB/T 700 Q235 AS/NZS 3679.1 300
Standard GB/T 700-2006 AS/NZS 3679.1:2016
Category Structural Steel Structural Steel
C (%) ≤0.22 <=0.22
Mn (%) 0.30–0.70 <=1.70
Si (%) ≤0.35 <=0.50
S (%) ≤0.050 <=0.040
P (%) ≤0.045 <=0.040
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GB/T 700 Q235 AS/NZS 3679.1 300
Tensile Strength 375–500 MPa 440-600 MPa
Yield Strength ≥235 MPa 300 MPa min
Elongation ≥26% 22% min
Typical Applications
GB/T 700 Q235
General structural fabrication, bridges, buildings
AS/NZS 3679.1 300
Hot-rolled structural bars and sections for general structural framing
Can GB/T 700 Q235 Be Substituted With AS/NZS 3679.1 300?
GB/T 700 Q235 and AS/NZS 3679.1 300 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
GB/T 700 Q235
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3100–3700 mm (122.05–145.67 in)
AS/NZS 3679.1 300
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2700–2700 mm (106.3–106.3 in)
On M-EX Right Now
GB/T 700 Q235
2 active listings and RFQs →
AS/NZS 3679.1 300
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 700 Q235 and AS/NZS 3679.1 300?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GB/T 700 Q235 be substituted with AS/NZS 3679.1 300?
GB/T 700 Q235 and AS/NZS 3679.1 300 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.