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ASTM A959 334 vs KS D3566 STS304

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

ASTM A959 334 (ASTM A959:2011) and KS D3566 STS304 (KS D3566:2021) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 334 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while KS D3566 STS304 is commonly used for chemical equipment, food processing machinery, kitchen equipment, architectural applications, storage tanks.. ASTM A959 334 is defined under ASTM International, originating from United States, while KS D3566 STS304 is defined under Korean Industrial Standards (KS), originating from South Korea.

As per chemical composition, ASTM A959 334 vs KS D3566 STS304 is a 78.2% 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 69.9%.

Frequently Compared With ASTM A959 334:
EN 10088-1 1.4401 GB/T 3280 06Cr19Ni10 EN 10088-1 1.4301 IS 1570 (Part 7) 11Cr17Ni13W3TiH ASTM A959 .- GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
78.2%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property ASTM A959 334 KS D3566 STS304
Standard ASTM A959:2011 KS D3566:2021
Category Stainless Steel Stainless Steel
Al (%) 0.15-0.60 Not specified
C (%) <=0.08 max 0.08
Cr (%) 18.0-20.0 18-20
Mn (%) <=1.00 max 2
Ni (%) 19.0-21.0 8-10.5
P (%) <=0.030 max 0.045
S (%) <=0.015 max 0.03
Si (%) <=1.00 max 1
Ti (%) 0.15-0.60 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A959 334 KS D3566 STS304
Tensile Strength Not specified 520 MPa min
Yield Strength (0.2% proof) Not specified 205 MPa min
Elongation Not specified 40% min
Hardness Not specified HB 187 max
Typical Applications
ASTM A959 334
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
KS D3566 STS304
Chemical equipment, food processing machinery, kitchen equipment, architectural applications, storage tanks.
Key Differences
Can ASTM A959 334 Be Substituted With KS D3566 STS304?
ASTM A959 334 and KS D3566 STS304 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
ASTM A959 334
No active listings currently.
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)
On M-EX Right Now
ASTM A959 334
0 active listings and RFQs →
KS D3566 STS304
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A959 334 and KS D3566 STS304?
ASTM A959 334 specifies Al, Ti which are not specified for KS D3566 STS304.
Can ASTM A959 334 be substituted with KS D3566 STS304?
ASTM A959 334 and KS D3566 STS304 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.