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ASTM A240/A240M S31009 vs IS 1570 (Part 5) X04Cr25Ni20

Strong Match — 94.7% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S31009 (ASTM A240/A240M:2025) and IS 1570 (Part 5) X04Cr25Ni20 (IS 1570 (Part 5):1985) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S31009 is defined under ASTM International, originating from United States, while IS 1570 (Part 5) X04Cr25Ni20 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A240/A240M S31009 vs IS 1570 (Part 5) X04Cr25Ni20 is a 92.1% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 94.7%.

Frequently Compared With ASTM A240/A240M S31009:
EN 10088-1 1.4845 GOST 5632 08X18H10 EN 10088-1 1.4006 ASTM A959 .- GOST 5632 06Kh23N28 EN 10088-1 1.4301 GB/T 3280 06Cr19Ni10 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
92.1%
MECHANICAL MATCH
100%
OVERALL
94.7%
Specifications
Property ASTM A240/A240M S31009 IS 1570 (Part 5) X04Cr25Ni20
Standard ASTM A240/A240M:2025 IS 1570 (Part 5):1985
Category Stainless Steel Stainless Steel
C (%) 0.04-0.10 <=0.08
Mn (%) <=2.00 <=2.0
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.030
Si (%) <=0.75 <=1.5
Cr (%) 24.0-26.03 24.0-26.0
Ni (%) 19.0-22.0 19.0-22.0
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 S31009 IS 1570 (Part 5) X04Cr25Ni20
Tensile Strength >=515 MPa >=515 MPa
Yield Strength >=205 MPa >=205 MPa (0.2 % proof stress)
Elongation >=40% >=40% (50 mm)
Hardness <=217 HB <=217 HB; <=95 HRB
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 S31009
Pressure vessels and general applications (plate, sheet and strip)
IS 1570 (Part 5) X04Cr25Ni20
Not documented
Can ASTM A240/A240M S31009 Be Substituted With IS 1570 (Part 5) X04Cr25Ni20?
ASTM A240/A240M S31009 and IS 1570 (Part 5) X04Cr25Ni20 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 5) X04Cr25Ni20 is often considered as a substitute for ASTM A240/A240M S31009 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 S31009
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IS 1570 (Part 5) X04Cr25Ni20
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S31009 and IS 1570 (Part 5) X04Cr25Ni20?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A240/A240M S31009 be substituted with IS 1570 (Part 5) X04Cr25Ni20?
ASTM A240/A240M S31009 and IS 1570 (Part 5) X04Cr25Ni20 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 5) X04Cr25Ni20 is often considered as a substitute for ASTM A240/A240M S31009 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.