EN 10088-1 X15CrNiSi25-21 vs IS 6603 X15Cr25Ni21Si

Strong Match — 89.5% match based on chemical composition and mechanical property overlap.

EN 10088-1 X15CrNiSi25-21 (EN 10088-1:2023) and IS 6603 X15Cr25Ni21Si (IS 6603:2024) are both steel grades. Both fall under the Stainless Steel category. EN 10088-1 X15CrNiSi25-21 is defined under European Standard (EN), originating from Europe, while IS 6603 X15Cr25Ni21Si is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, EN 10088-1 X15CrNiSi25-21 vs IS 6603 X15Cr25Ni21Si is a 89.5% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 89.5%.

Frequently Compared With EN 10088-1 X15CrNiSi25-21:
GB/T 3280 06Cr19Ni10 ASTM A959 .- GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
89.5%
MECHANICAL MATCH
No shared data
OVERALL
89.5%
Specifications
Property EN 10088-1 X15CrNiSi25-21 IS 6603 X15Cr25Ni21Si
Standard EN 10088-1:2023 IS 6603:2024
Category Stainless Steel Stainless Steel
C (%) <=0.20 <=0.25
Si (%) 1.50-2.50 1.5-3.0
Mn (%) <=2.00 <=2.00
P (%) <=0.045 <=0.045
S (%) <=0.015 <=0.030
Cr (%) 24.0-26.0 23.0-26.0
Ni (%) 19.0-22.0 19.0-22.0
N (%) <=0.10 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 EN 10088-1 X15CrNiSi25-21 IS 6603 X15Cr25Ni21Si
Tensile Strength Not specified 550-750 MPa
Yield Strength Not specified >=230 MPa
Elongation Not specified >=30%
Condition Not specified Solution annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 160 mm; Yield Strength is Rp0.2, Elongation is A (longitudinal)
Typical Applications
EN 10088-1 X15CrNiSi25-21
Not documented
IS 6603 X15Cr25Ni21Si
General purposes, semi-finished products, bars, wire rods and bright bars
Key Differences
Can EN 10088-1 X15CrNiSi25-21 Be Substituted With IS 6603 X15Cr25Ni21Si?
EN 10088-1 X15CrNiSi25-21 and IS 6603 X15Cr25Ni21Si overlap closely enough on chemistry and mechanical properties that IS 6603 X15Cr25Ni21Si is often considered as a substitute for EN 10088-1 X15CrNiSi25-21 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
On M-EX Right Now
EN 10088-1 X15CrNiSi25-21
0 active listings and RFQs →
IS 6603 X15Cr25Ni21Si
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10088-1 X15CrNiSi25-21 and IS 6603 X15Cr25Ni21Si?
EN 10088-1 X15CrNiSi25-21 specifies N which is not specified for IS 6603 X15Cr25Ni21Si.
Can EN 10088-1 X15CrNiSi25-21 be substituted with IS 6603 X15Cr25Ni21Si?
EN 10088-1 X15CrNiSi25-21 and IS 6603 X15Cr25Ni21Si overlap closely enough on chemistry and mechanical properties that IS 6603 X15Cr25Ni21Si is often considered as a substitute for EN 10088-1 X15CrNiSi25-21 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.