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IS 6911 X108Cr17Mo vs ASTM A959 S44025

Close Alternative — 80.8% match based on chemical composition and mechanical property overlap.

IS 6911 X108Cr17Mo (IS 6911:1992) and ASTM A959 S44025 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. IS 6911 X108Cr17Mo is typically used for stainless and heat-resisting steel plate, sheet and strip (clause 1.1), while ASTM A959 S44025 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). IS 6911 X108Cr17Mo is defined under Bureau of Indian Standards (IS), originating from India, while ASTM A959 S44025 is defined under ASTM International, originating from United States.

As per chemical composition, IS 6911 X108Cr17Mo vs ASTM A959 S44025 is a 80.8% 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 80.8%.

Frequently Compared With IS 6911 X108Cr17Mo:
IS 1570 (Part 7) 12Cr12Ni2Mo EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr13H GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
80.8%
MECHANICAL MATCH
No shared data
OVERALL
80.8%
Specifications
Property IS 6911 X108Cr17Mo ASTM A959 S44025
Standard IS 6911:1992 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) 0.95-1.20 0.95-1.10
Cr (%) 16.0-18.0 16.0-18.0
Mn (%) <=1.0 0.30-1.00
Mo (%) <=0.75 0.40-0.65
Ni (%) <=0.50 <=0.75
P (%) <=0.045 <=0.025
S (%) <=0.030 <=0.025
Si (%) <=1.0 0.30-1.00
Cu (%) Not specified <=0.50
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 6911 X108Cr17Mo ASTM A959 S44025
Hardness (annealed, max) 285 HBS Not specified
Hardness (quenched and tempered, min) 660 HV, 58 HRC Not specified
Typical Applications
IS 6911 X108Cr17Mo
Stainless and heat-resisting steel plate, sheet and strip (clause 1.1)
ASTM A959 S44025
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can IS 6911 X108Cr17Mo Be Substituted With ASTM A959 S44025?
IS 6911 X108Cr17Mo and ASTM A959 S44025 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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IS 6911 X108Cr17Mo
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ASTM A959 S44025
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Frequently Asked Questions
What is the difference between IS 6911 X108Cr17Mo and ASTM A959 S44025?
ASTM A959 S44025 specifies Cu which is not specified for IS 6911 X108Cr17Mo.
Can IS 6911 X108Cr17Mo be substituted with ASTM A959 S44025?
IS 6911 X108Cr17Mo and ASTM A959 S44025 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.