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GB/T 700 Q235B vs AS/NZS Grade 500

Strong Match — 95.3% match based on chemical composition and mechanical property overlap.

GB/T 700 Q235B (GB/T 700:2006) and AS/NZS Grade 500 (AS/NZS 3597:2008) are both steel grades. Both fall under the Structural Steel category. GB/T 700 Q235B is typically used for structural steelwork, fabricated components, machinery parts, storage tanks, pipes, while AS/NZS Grade 500 is commonly used for heavy mining equipment, bulldozer blades, wear-resistant structural applications, large crane booms, offshore jackets.. GB/T 700 Q235B is defined under Guobiao Standards (GB/T), originating from China, while AS/NZS Grade 500 is defined under Australian/New Zealand Standard (AS/NZS), originating from Australia/New Zealand.

As per chemical composition, GB/T 700 Q235B vs AS/NZS Grade 500 is a 95.3% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 95.3%.

Frequently Compared With GB/T 700 Q235B:
CSA G40.21 260W CSA G40.21 400W AS/NZS 3679.1 300 CSA G40.21 350W CSA G40.21 480W GOST 19281 09G2S CSA G40.21 300W AS/NZS 3679.1 350 ASTM A1008 SS Grade 50 CSA G40.21 400A ASTM A1008 SS Grade 80 ASTM A283C
Match Breakdown
CHEMISTRY MATCH
95.3%
MECHANICAL MATCH
No shared data
OVERALL
95.3%
Specifications
Property GB/T 700 Q235B AS/NZS Grade 500
Standard GB/T 700:2006 AS/NZS 3597:2008
Category Structural Steel Structural Steel
C (%) <=0.20 max 0.2
Si (%) <=0.35 max 0.55
Mn (%) <=1.40 max 1.6
P (%) <=0.045 max 0.03
S (%) <=0.045 max 0.03
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 Q235B AS/NZS Grade 500
Tensile Strength 370-500 MPa Not specified
Yield Strength >=235 MPa Not specified
Elongation >=26% Not specified
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 Q235B
structural steelwork, fabricated components, machinery parts, storage tanks, pipes
AS/NZS Grade 500
Heavy mining equipment, bulldozer blades, wear-resistant structural applications, large crane booms, offshore jackets.
Can GB/T 700 Q235B Be Substituted With AS/NZS Grade 500?
GB/T 700 Q235B and AS/NZS Grade 500 overlap closely enough on chemistry and mechanical properties that AS/NZS Grade 500 is often considered as a substitute for GB/T 700 Q235B in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
GB/T 700 Q235B
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2600–4800 mm (102.36–188.98 in)
AS/NZS Grade 500
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3100–3600 mm (122.05–141.73 in)
On M-EX Right Now
GB/T 700 Q235B
2 active listings and RFQs →
AS/NZS Grade 500
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 700 Q235B and AS/NZS Grade 500?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GB/T 700 Q235B be substituted with AS/NZS Grade 500?
GB/T 700 Q235B and AS/NZS Grade 500 overlap closely enough on chemistry and mechanical properties that AS/NZS Grade 500 is often considered as a substitute for GB/T 700 Q235B in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.