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GB/T 700 Q235 vs ASTM A283C

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

GB/T 700 Q235 (GB/T 700-2006) and ASTM A283C (ASTM A283) 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 ASTM A283C is commonly used for used for structural fabrication, storage tanks, buildings, bridges, machinery bases, and welded structures.. GB/T 700 Q235 is defined under Guobiao Standards (GB/T), originating from China, while ASTM A283C is defined under ASTM International, originating from United States.

As per chemical composition, GB/T 700 Q235 vs ASTM A283C is a 83.6% 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 ASTM A1008 SS Grade 50 CSA G40.21 350W ASTM A572 Gr.65 CSA G40.21 400W ASTM A1008 SS Grade 80 CSA G40.21 300W CSA G40.21 400A AS/NZS 3679.1 300 AS/NZS 3679.1 350 CSA G40.21 480W CSA G40.21 260W
Match Breakdown
CHEMISTRY MATCH
83.6%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property GB/T 700 Q235 ASTM A283C
Standard GB/T 700-2006 ASTM A283
Category Structural Steel Structural Steel
C (%) ≤0.22 0.24 max
Mn (%) 0.30–0.70 0.90 max
Si (%) ≤0.35 0.40 max
S (%) ≤0.050 0.040 max
P (%) ≤0.045 0.035 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 ASTM A283C
Tensile Strength 375–500 MPa 380-515 MPa
Yield Strength ≥235 MPa 205 MPa min
Elongation ≥26% 23-27%
Hardness Not specified 120-170 HB
Typical Applications
GB/T 700 Q235
General structural fabrication, bridges, buildings
ASTM A283C
Used for structural fabrication, storage tanks, buildings, bridges, machinery bases, and welded structures.
Can GB/T 700 Q235 Be Substituted With ASTM A283C?
GB/T 700 Q235 and ASTM A283C 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)
ASTM A283C
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2900–3700 mm (114.17–145.67 in)
On M-EX Right Now
GB/T 700 Q235
2 active listings and RFQs →
ASTM A283C
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 700 Q235 and ASTM A283C?
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 ASTM A283C?
GB/T 700 Q235 and ASTM A283C 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.