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IS 1570 (Part 5) X55Cr21Mn8Ni2N vs ASTM A959 431

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

IS 1570 (Part 5) X55Cr21Mn8Ni2N (IS 1570 (Part 5):1985) and ASTM A959 431 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. IS 1570 (Part 5) X55Cr21Mn8Ni2N is defined under Bureau of Indian Standards (IS), originating from India, while ASTM A959 431 is defined under ASTM International, originating from United States.

As per chemical composition, IS 1570 (Part 5) X55Cr21Mn8Ni2N vs ASTM A959 431 is a 74.3% 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 IS 1570 (Part 5) X55Cr21Mn8Ni2N:
GB/T 3280 06Cr19Ni10 EN 10088-1 1.4845 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr13H GOST 5632 12Kh13 EN 10088-1 1.4301 ASTM A959 .- IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH
Match Breakdown
CHEMISTRY MATCH
74.3%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 1570 (Part 5) X55Cr21Mn8Ni2N ASTM A959 431
Standard IS 1570 (Part 5):1985 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) 0.50-0.60 <=0.20
Si (%) <=1.0 <=1.00
Mn (%) 7.0-9.5 <=1.00
P (%) <=0.045 <=0.040
S (%) <=0.035 <=0.030
Cr (%) 20.0-22.0 15.0-17.0
Ni (%) 1.5-2.75 1.25-2.50
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1570 (Part 5) X55Cr21Mn8Ni2N ASTM A959 431
Hardness >=321 HB Not specified
Condition Valve steel, hardened and tempered (Table 6) Not specified
Typical Applications
IS 1570 (Part 5) X55Cr21Mn8Ni2N
Not documented
ASTM A959 431
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Can IS 1570 (Part 5) X55Cr21Mn8Ni2N Be Substituted With ASTM A959 431?
IS 1570 (Part 5) X55Cr21Mn8Ni2N and ASTM A959 431 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.
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IS 1570 (Part 5) X55Cr21Mn8Ni2N
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Frequently Asked Questions
What is the difference between IS 1570 (Part 5) X55Cr21Mn8Ni2N and ASTM A959 431?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 1570 (Part 5) X55Cr21Mn8Ni2N be substituted with ASTM A959 431?
IS 1570 (Part 5) X55Cr21Mn8Ni2N and ASTM A959 431 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.