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ASTM A959 S30815 vs IS 1570 (Part 5) X20Cr21Ni12N

Close Alternative — 73.9% match based on chemical composition and mechanical property overlap.

ASTM A959 S30815 (ASTM A959:2011) and IS 1570 (Part 5) X20Cr21Ni12N (IS 1570 (Part 5):1985) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 S30815 is defined under ASTM International, originating from United States, while IS 1570 (Part 5) X20Cr21Ni12N is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A959 S30815 vs IS 1570 (Part 5) X20Cr21Ni12N is a 73.9% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 73.9%.

Frequently Compared With ASTM A959 S30815:
IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 EN 10088-1 1.4401 EN 10088-1 1.4845 ASTM A959 .- IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4301
Match Breakdown
CHEMISTRY MATCH
73.9%
MECHANICAL MATCH
No shared data
OVERALL
73.9%
Specifications
Property ASTM A959 S30815 IS 1570 (Part 5) X20Cr21Ni12N
Standard ASTM A959:2011 IS 1570 (Part 5):1985
Category Stainless Steel Stainless Steel
C (%) 0.05-0.10 0.15-0.25
Ce (%) 0.03-0.08 Not specified
Cr (%) 20.0-22.0 20.0-22.0
Mn (%) <=0.80 <=1.5
N (%) 0.14-0.20 Not specified
Ni (%) 10.0-12.0 10.5-12.5
P (%) <=0.040 <=0.045
S (%) <=0.030 <=0.035
Si (%) 1.40-2.00 0.75-1.25
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 S30815 IS 1570 (Part 5) X20Cr21Ni12N
Hardness Not specified <=302 HB
Condition Not specified Valve steel, hardened and tempered (Table 6)
Typical Applications
ASTM A959 S30815
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
IS 1570 (Part 5) X20Cr21Ni12N
Not documented
Key Differences
Can ASTM A959 S30815 Be Substituted With IS 1570 (Part 5) X20Cr21Ni12N?
ASTM A959 S30815 and IS 1570 (Part 5) X20Cr21Ni12N are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
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ASTM A959 S30815
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IS 1570 (Part 5) X20Cr21Ni12N
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Frequently Asked Questions
What is the difference between ASTM A959 S30815 and IS 1570 (Part 5) X20Cr21Ni12N?
ASTM A959 S30815 specifies Ce, N which are not specified for IS 1570 (Part 5) X20Cr21Ni12N.
Can ASTM A959 S30815 be substituted with IS 1570 (Part 5) X20Cr21Ni12N?
ASTM A959 S30815 and IS 1570 (Part 5) X20Cr21Ni12N are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.