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ASTM A240/A240M S43100 vs IS 1570 (Part 5) X15Cr16Ni2

Strong Match — 97% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S43100 (ASTM A240/A240M:2025) and IS 1570 (Part 5) X15Cr16Ni2 (IS 1570 (Part 5):1985) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S43100 is defined under ASTM International, originating from United States, while IS 1570 (Part 5) X15Cr16Ni2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A240/A240M S43100 vs IS 1570 (Part 5) X15Cr16Ni2 is a 95.5% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 97%.

Frequently Compared With ASTM A240/A240M S43100:
GOST 5632 08X18H10 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH ASTM A959 .- GB/T 3280 06Cr19Ni10
Match Breakdown
CHEMISTRY MATCH
95.5%
MECHANICAL MATCH
100%
OVERALL
97%
Specifications
Property ASTM A240/A240M S43100 IS 1570 (Part 5) X15Cr16Ni2
Standard ASTM A240/A240M:2025 IS 1570 (Part 5):1985
Category Stainless Steel Stainless Steel
C (%) <=0.20 0.10-0.20
Mn (%) <=1.00 <=1.0
P (%) <=0.040 <=0.045
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.0
Cr (%) 15.0-17.0 15.0-17.0
Ni (%) 1.25-2.50 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 ASTM A240/A240M S43100 IS 1570 (Part 5) X15Cr16Ni2
Hardness <=285 HB <=285 HB
Condition Plate, sheet and strip; yield by 0.2 percent offset Annealed, quenched or solution treated plates, sheets and strips (Table 2)
Typical Applications
ASTM A240/A240M S43100
Pressure vessels and general applications (plate, sheet and strip)
IS 1570 (Part 5) X15Cr16Ni2
Not documented
Can ASTM A240/A240M S43100 Be Substituted With IS 1570 (Part 5) X15Cr16Ni2?
ASTM A240/A240M S43100 and IS 1570 (Part 5) X15Cr16Ni2 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 5) X15Cr16Ni2 is often considered as a substitute for ASTM A240/A240M S43100 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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ASTM A240/A240M S43100
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IS 1570 (Part 5) X15Cr16Ni2
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S43100 and IS 1570 (Part 5) X15Cr16Ni2?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A240/A240M S43100 be substituted with IS 1570 (Part 5) X15Cr16Ni2?
ASTM A240/A240M S43100 and IS 1570 (Part 5) X15Cr16Ni2 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 5) X15Cr16Ni2 is often considered as a substitute for ASTM A240/A240M S43100 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.