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GB/T 700 Q235 vs SAE J403 1002

Related Material — 65% match based on chemical composition and mechanical property overlap.

GB/T 700 Q235 (GB/T 700-2006) and SAE J403 1002 (SAE J403:2014) are both steel grades. GB/T 700 Q235 is classified under Structural Steel, while SAE J403 1002 is classified under Carbon Steel — a different category, which is worth noting alongside the chemistry match below. GB/T 700 Q235 is typically used for general structural fabrication, bridges, buildings, while SAE J403 1002 is commonly used for chemistry-only grade; product scope as listed in the composition notes. GB/T 700 Q235 is defined under Guobiao Standards (GB/T), originating from China, while SAE J403 1002 is defined under SAE International, originating from United States.

As per chemical composition, GB/T 700 Q235 vs SAE J403 1002 is a 89.6% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 65%.

Frequently Compared With GB/T 700 Q235:
GOST 19281 09G2S ASTM A1008 SS Grade 50 CSA G40.21 350W ASTM A572 Gr.65 ASTM A1008 SS Grade 80 CSA G40.21 300W CSA G40.21 400A CSA G40.21 400W AS/NZS 3679.1 300 AS/NZS 3679.1 350 ASTM A283C CSA G40.21 480W
Match Breakdown
CHEMISTRY MATCH
89.6%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property GB/T 700 Q235 SAE J403 1002
Standard GB/T 700-2006 SAE J403:2014
Category Structural Steel Carbon Steel
C (%) ≤0.22 0.02-0.04
Mn (%) 0.30–0.70 <=0.35
Si (%) ≤0.35 Not specified
S (%) ≤0.050 <=0.035 (flat rolled), <=0.050 (long products)
P (%) ≤0.045 <=0.030 (flat rolled), <=0.040 (long products)
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 SAE J403 1002
Tensile Strength 375–500 MPa Not specified
Yield Strength ≥235 MPa Not specified
Elongation ≥26% Not specified
Typical Applications
GB/T 700 Q235
General structural fabrication, bridges, buildings
SAE J403 1002
Chemistry-only grade; product scope as listed in the composition notes
Key Differences
Can GB/T 700 Q235 Be Substituted With SAE J403 1002?
GB/T 700 Q235 and SAE J403 1002 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)
SAE J403 1002
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On M-EX Right Now
GB/T 700 Q235
2 active listings and RFQs →
SAE J403 1002
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Frequently Asked Questions
What is the difference between GB/T 700 Q235 and SAE J403 1002?
Different category: GB/T 700 Q235 is Structural Steel, SAE J403 1002 is Carbon Steel. GB/T 700 Q235 specifies Si which is not specified for SAE J403 1002.
Can GB/T 700 Q235 be substituted with SAE J403 1002?
GB/T 700 Q235 and SAE J403 1002 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.