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KS D3503 SS400 vs ASTM A283C

Related Material — 69.7% match based on chemical composition and mechanical property overlap.

KS D3503 SS400 (KS D 3503:2016) and ASTM A283C (ASTM A283) are both steel grades. Both fall under the Structural Steel category. KS D3503 SS400 is typically used for structural fabrication,bridges,buildings,machinery frames,general construction,welded structures,plates,sections, while ASTM A283C is commonly used for used for structural fabrication, storage tanks, buildings, bridges, machinery bases, and welded structures.. KS D3503 SS400 is defined under Korean Industrial Standards (KS), originating from South Korea, while ASTM A283C is defined under ASTM International, originating from United States.

As per chemical composition, KS D3503 SS400 vs ASTM A283C is a 90.9% match. As per mechanical properties, the match is 27.2%. Combined, this makes them a related material overall at 69.7%.

Frequently Compared With KS D3503 SS400:
CSA G40.21 350W AS/NZS 3679.1 350 AS/NZS 3679.1 300 CSA G40.21 400W GOST 19281 09G2S CSA G40.21 400A CSA G40.21 480W ASTM A1008 SS Grade 50 CSA G40.21 260W CSA G40.21 300W ASTM A1008 SS Grade 80 ASTM A572 Gr.65
Match Breakdown
CHEMISTRY MATCH
90.9%
MECHANICAL MATCH
27.2%
OVERALL
69.7%
Specifications
Property KS D3503 SS400 ASTM A283C
Standard KS D 3503:2016 ASTM A283
Category Structural Steel Structural Steel
C (%) <=0.25 0.24 max
Mn (%) <=1.50 0.90 max
P (%) <=0.050 0.035 max
S (%) <=0.050 0.040 max
Si (%) Not specified 0.40 max
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property KS D3503 SS400 ASTM A283C
Tensile Strength 400-510 MPa 380-515 MPa
Yield Strength 245 MPa min 205 MPa min
Elongation 21-23 % 23-27%
Hardness Not specified 120-170 HB
Typical Applications
KS D3503 SS400
structural fabrication,bridges,buildings,machinery frames,general construction,welded structures,plates,sections
ASTM A283C
Used for structural fabrication, storage tanks, buildings, bridges, machinery bases, and welded structures.
Key Differences
Can KS D3503 SS400 Be Substituted With ASTM A283C?
KS D3503 SS400 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
KS D3503 SS400
Plate → (2 listings)
Thickness: 10–10 mm (0.39–0.39 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 3000–3700 mm (118.11–145.67 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
KS D3503 SS400
2 active listings and RFQs →
ASTM A283C
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between KS D3503 SS400 and ASTM A283C?
ASTM A283C specifies Si which is not specified for KS D3503 SS400.
Can KS D3503 SS400 be substituted with ASTM A283C?
KS D3503 SS400 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.