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GB/T 700 Q215B vs GB/T 700 Q235A

Related Material — 69.5% match based on chemical composition and mechanical property overlap.

GB/T 700 Q215B (GB/T 700:2006) and GB/T 700 Q235A (GB/T 700:2006) are both steel grades. Both fall under the Structural Steel category. GB/T 700 Q215B is typically used for hot rolled structural sheets, strips, sections and bars for welding, riveting and bolting engineering, while GB/T 700 Q235A is commonly used for structural sections, welded structures, general fabrication, machinery frames, steel plates, pipes. GB/T 700 Q215B is defined under Guobiao Standards (GB/T), originating from China, while GB/T 700 Q235A is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, GB/T 700 Q215B vs GB/T 700 Q235A is a 96.2% match. As per mechanical properties, the match is 16.2%. Combined, this makes them a related material overall at 69.5%.

Frequently Compared With GB/T 700 Q215B:
ASTM A1008 SS Grade 50 ASTM A572 Gr.65 GOST 19281 09G2S CSA G40.21 260W AS/NZS 3679.1 300 CSA G40.21 300W AS/NZS 3679.1 350 CSA G40.21 350W CSA G40.21 400A CSA G40.21 400W CSA G40.21 480W ASTM A1008 SS Grade 80
Match Breakdown
CHEMISTRY MATCH
96.2%
MECHANICAL MATCH
16.2%
OVERALL
69.5%
Specifications
Property GB/T 700 Q215B GB/T 700 Q235A
Standard GB/T 700:2006 GB/T 700:2006
Category Structural Steel Structural Steel
C (%) <=0.15 <=0.22
Si (%) <=0.35 <=0.35
Mn (%) <=1.20 <=1.40
P (%) <=0.045 <=0.045
S (%) <=0.045 <=0.050
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 Q215B GB/T 700 Q235A
Tensile Strength 335-450 MPa 370-500 MPa
Yield Strength >=215 MPa >=235 MPa
Elongation >=31% >=26%
Condition Hot rolled, controlled rolled or normalized; yield up to 16 mm, elongation up to 40 mm (N/mm2 = MPa) Hot rolled, controlled rolled or normalized; yield up to 16 mm, elongation up to 40 mm (N/mm2 = MPa)
Typical Applications
GB/T 700 Q215B
Hot rolled structural sheets, strips, sections and bars for welding, riveting and bolting engineering
GB/T 700 Q235A
structural sections, welded structures, general fabrication, machinery frames, steel plates, pipes
Can GB/T 700 Q215B Be Substituted With GB/T 700 Q235A?
GB/T 700 Q215B and GB/T 700 Q235A 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 Q215B
No active listings currently.
GB/T 700 Q235A
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2900–3100 mm (114.17–122.05 in)
On M-EX Right Now
GB/T 700 Q215B
0 active listings and RFQs →
GB/T 700 Q235A
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 700 Q215B and GB/T 700 Q235A?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GB/T 700 Q215B be substituted with GB/T 700 Q235A?
GB/T 700 Q215B and GB/T 700 Q235A 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.