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ASTM A276/A276M S21900 vs ASTM A959 SS304

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

ASTM A276/A276M S21900 (ASTM A276/A276M:2017) and ASTM A959 SS304 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A276/A276M S21900 is typically used for stainless steel bars and shapes (hot-finished or cold-finished), while ASTM A959 SS304 is commonly used for food processing, chemical equipment, kitchen equipment. ASTM A276/A276M S21900 is defined under ASTM International, originating from United States, while ASTM A959 SS304 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A276/A276M S21900 vs ASTM A959 SS304 is a 72.2% 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 A276/A276M S21900:
ASTM A959 202 EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
72.2%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property ASTM A276/A276M S21900 ASTM A959 SS304
Standard ASTM A276/A276M:2017 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.08 <=0.07
Mn (%) 8.0-10.0 <=2.00
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
Cr (%) 19.0-21.5 17.5-19.5
Ni (%) 5.5-7.5 8.0-11.0
N (%) 0.15-0.40 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 A276/A276M S21900 ASTM A959 SS304
Tensile Strength >=620 MPa Not specified
Yield Strength >=345 MPa Not specified
Elongation >=45% Not specified
Condition Condition A (Annealed), hot-finished or cold-finished, all sizes (first row printed) Not specified
Typical Applications
ASTM A276/A276M S21900
Stainless steel bars and shapes (hot-finished or cold-finished)
ASTM A959 SS304
Food processing, chemical equipment, kitchen equipment
Key Differences
Can ASTM A276/A276M S21900 Be Substituted With ASTM A959 SS304?
ASTM A276/A276M S21900 and ASTM A959 SS304 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 A276/A276M S21900
No active listings currently.
ASTM A959 SS304
Sheet → (22 listings)
Thickness: 2–6 mm (0.08–0.24 in)
Width: 1250–1250 mm (49.21–49.21 in)
Length: 2500–4100 mm (98.43–161.42 in)
Round Bar → (6 listings)
Diameter: 50–65 mm (1.97–2.56 in)
Length: 2500–6900 mm (98.43–271.65 in)
Plate → (6 listings)
Thickness: 8–12 mm (0.31–0.47 in)
Width: 1500–1500 mm (59.06–59.06 in)
Length: 2500–3800 mm (98.43–149.61 in)
On M-EX Right Now
ASTM A276/A276M S21900
0 active listings and RFQs →
ASTM A959 SS304
34 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A276/A276M S21900 and ASTM A959 SS304?
ASTM A276/A276M S21900 specifies N which is not specified for ASTM A959 SS304.
Can ASTM A276/A276M S21900 be substituted with ASTM A959 SS304?
ASTM A276/A276M S21900 and ASTM A959 SS304 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.