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ASTM A283C vs GB/T 700 Q235C

Close Alternative — 72.1% match based on chemical composition and mechanical property overlap.

ASTM A283C (ASTM A283) and GB/T 700 Q235C (GB/T 700:2006) are both steel grades. Both fall under the Structural Steel category. ASTM A283C is typically used for used for structural fabrication, storage tanks, buildings, bridges, machinery bases, and welded structures., while GB/T 700 Q235C is commonly used for hot rolled structural sheets, strips, sections and bars for welding, riveting and bolting engineering. ASTM A283C is defined under ASTM International, originating from United States, while GB/T 700 Q235C is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, ASTM A283C vs GB/T 700 Q235C is a 94.4% match. As per mechanical properties, the match is 27.6%. Combined, this makes them a close alternative overall at 72.1%.

Frequently Compared With ASTM A283C:
ASTM A1008 SS Grade 50 CSA G40.21 260W ASTM A1008 SS Grade 80 ASTM A572 Grade 50 ASTM A572 Gr.65 CSA G40.21 480W CSA G40.21 400W AS/NZS 3679.1 350 CSA G40.21 300W AS/NZS 3679.1 300 CSA G40.21 400A GOST 19281 09G2S
Match Breakdown
CHEMISTRY MATCH
94.4%
MECHANICAL MATCH
27.6%
OVERALL
72.1%
Specifications
Property ASTM A283C GB/T 700 Q235C
Standard ASTM A283 GB/T 700:2006
Category Structural Steel Structural Steel
C (%) 0.24 max <=0.17
Mn (%) 0.90 max <=1.40
P (%) 0.035 max <=0.040
S (%) 0.040 max <=0.040
Si (%) 0.40 max <=0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A283C GB/T 700 Q235C
Tensile Strength 380-515 MPa 370-500 MPa
Yield Strength 205 MPa min >=235 MPa
Elongation 23-27% >=26%
Hardness 120-170 HB Not specified
Condition Not specified Hot rolled, controlled rolled or normalized; yield up to 16 mm, elongation up to 40 mm (N/mm2 = MPa)
Typical Applications
ASTM A283C
Used for structural fabrication, storage tanks, buildings, bridges, machinery bases, and welded structures.
GB/T 700 Q235C
Hot rolled structural sheets, strips, sections and bars for welding, riveting and bolting engineering
Can ASTM A283C Be Substituted With GB/T 700 Q235C?
ASTM A283C and GB/T 700 Q235C are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
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)
GB/T 700 Q235C
No active listings currently.
On M-EX Right Now
ASTM A283C
2 active listings and RFQs →
GB/T 700 Q235C
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A283C and GB/T 700 Q235C?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A283C be substituted with GB/T 700 Q235C?
ASTM A283C and GB/T 700 Q235C are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.