Post Stock Login Register

KS D3566 STS304 vs ASTM A959 .-

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

KS D3566 STS304 (KS D3566:2021) and ASTM A959 .- (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. KS D3566 STS304 is typically used for chemical equipment, food processing machinery, kitchen equipment, architectural applications, storage tanks., while ASTM A959 .- is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). KS D3566 STS304 is defined under Korean Industrial Standards (KS), originating from South Korea, while ASTM A959 .- is defined under ASTM International, originating from United States.

As per chemical composition, KS D3566 STS304 vs ASTM A959 .- is a 75.6% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With KS D3566 STS304:
GB/T 3280 06Cr19Ni10 EN 10088-1 1.4301 GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4401 GOST 5632 12Kh13 GOST 5632 08X18H10 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
75.6%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property KS D3566 STS304 ASTM A959 .-
Standard KS D3566:2021 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) max 0.08 <=0.030
Mn (%) max 2 <=1.00
Si (%) max 1 <=1.00
P (%) max 0.045 <=0.040
S (%) max 0.03 <=0.030
Cr (%) 18-20 18.0-20.0
Ni (%) 8-10.5 <=0.50
Cb (%) Not specified 0.10-0.60
N (%) Not specified <=0.030
Ti (%) Not specified 0.07-0.30
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property KS D3566 STS304 ASTM A959 .-
Tensile Strength 520 MPa min Not specified
Yield Strength (0.2% proof) 205 MPa min Not specified
Elongation 40% min Not specified
Hardness HB 187 max Not specified
Typical Applications
KS D3566 STS304
Chemical equipment, food processing machinery, kitchen equipment, architectural applications, storage tanks.
ASTM A959 .-
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can KS D3566 STS304 Be Substituted With ASTM A959 .-?
KS D3566 STS304 and ASTM A959 .- 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 D3566 STS304
Sheet → (2 listings)
Thickness: 6–6 mm (0.24–0.24 in)
Width: 1250–1250 mm (49.21–49.21 in)
Length: 2800–3200 mm (110.24–125.98 in)
ASTM A959 .-
No active listings currently.
On M-EX Right Now
KS D3566 STS304
2 active listings and RFQs →
ASTM A959 .-
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between KS D3566 STS304 and ASTM A959 .-?
ASTM A959 .- specifies Cb, N, Ti which are not specified for KS D3566 STS304.
Can KS D3566 STS304 be substituted with ASTM A959 .-?
KS D3566 STS304 and ASTM A959 .- 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.