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GB/T 700 Q235 vs GOST 19281 09G2S

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

GB/T 700 Q235 (GB/T 700-2006) and GOST 19281 09G2S (GOST 19281-2014) 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 GOST 19281 09G2S is commonly used for used for bridges, pressure vessels, pipelines, structural frames, and heavy equipment components.. GB/T 700 Q235 is defined under Guobiao Standards (GB/T) (China).

As per chemical composition, GB/T 700 Q235 vs GOST 19281 09G2S is a 61.9% 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:
CSA G40.21 350W ASTM A1008 SS Grade 50 ASTM A572 Gr.65 ASTM A1008 SS Grade 80 CSA G40.21 400W CSA G40.21 300W CSA G40.21 400A AS/NZS 3679.1 350 AS/NZS 3679.1 300 ASTM A283C CSA G40.21 480W CSA G40.21 260W
Match Breakdown
CHEMISTRY MATCH
61.9%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property GB/T 700 Q235 GOST 19281 09G2S
Standard GB/T 700-2006 GOST 19281-2014
Category Structural Steel Structural Steel
C (%) ≤0.22 0.07-0.12
Mn (%) 0.30–0.70 1.3-1.7
Si (%) ≤0.35 0.5-0.8
S (%) ≤0.050 0.04 max
P (%) ≤0.045 0.035 max
Ni (%) Not specified 0.3 max
Cr (%) Not specified 0.3 max
Cu (%) Not specified 0.3 max
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 GOST 19281 09G2S
Tensile Strength 375–500 MPa 490-640 MPa
Yield Strength ≥235 MPa 345 MPa min
Elongation ≥26% 21% min
Hardness Not specified 140-190 HB
Typical Applications
GB/T 700 Q235
General structural fabrication, bridges, buildings
GOST 19281 09G2S
Used for bridges, pressure vessels, pipelines, structural frames, and heavy equipment components.
Key Differences
Can GB/T 700 Q235 Be Substituted With GOST 19281 09G2S?
GB/T 700 Q235 and GOST 19281 09G2S 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)
GOST 19281 09G2S
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2900–3800 mm (114.17–149.61 in)
On M-EX Right Now
GB/T 700 Q235
2 active listings and RFQs →
GOST 19281 09G2S
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 700 Q235 and GOST 19281 09G2S?
GOST 19281 09G2S specifies Ni, Cr, Cu which are not specified for GB/T 700 Q235.
Can GB/T 700 Q235 be substituted with GOST 19281 09G2S?
GB/T 700 Q235 and GOST 19281 09G2S 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.