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GB/T 700 Q235D vs AS/NZS 3679.1 300

Related Material — 66% match based on chemical composition and mechanical property overlap.

GB/T 700 Q235D (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 Q235D is typically used for hot rolled structural sheets, strips, sections and bars for welding, riveting and bolting engineering, while AS/NZS 3679.1 300 is commonly used for hot-rolled structural bars and sections for general structural framing. GB/T 700 Q235D 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 Q235D vs AS/NZS 3679.1 300 is a 94.6% match. As per mechanical properties, the match is 8.7%. Combined, this makes them a related material overall at 66%.

Frequently Compared With GB/T 700 Q235D:
CSA G40.21 300W CSA G40.21 480W ASTM A283C GOST 19281 09G2S AS/NZS 3679.1 350 CSA G40.21 400W ASTM A1008 SS Grade 50 ASTM A572 Gr.65 CSA G40.21 260W CSA G40.21 350W CSA G40.21 400A ASTM A1008 SS Grade 80
Match Breakdown
CHEMISTRY MATCH
94.6%
MECHANICAL MATCH
8.7%
OVERALL
66%
Specifications
Property GB/T 700 Q235D AS/NZS 3679.1 300
Standard GB/T 700:2006 AS/NZS 3679.1:2016
Category Structural Steel Structural Steel
C (%) <=0.17 <=0.22
Si (%) <=0.35 <=0.50
Mn (%) <=1.40 <=1.70
P (%) <=0.035 <=0.040
S (%) <=0.035 <=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 Q235D AS/NZS 3679.1 300
Tensile Strength 370-500 MPa 440-600 MPa
Yield Strength >=235 MPa 300 MPa min
Elongation >=26% 22% min
Condition Hot rolled, controlled rolled or normalized; yield up to 16 mm, elongation up to 40 mm (N/mm2 = MPa) Not specified
Typical Applications
GB/T 700 Q235D
Hot rolled structural sheets, strips, sections and bars for welding, riveting and bolting engineering
AS/NZS 3679.1 300
Hot-rolled structural bars and sections for general structural framing
Can GB/T 700 Q235D Be Substituted With AS/NZS 3679.1 300?
GB/T 700 Q235D 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 Q235D
No active listings currently.
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 Q235D
0 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 Q235D 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 Q235D be substituted with AS/NZS 3679.1 300?
GB/T 700 Q235D 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.