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ASTM A959 S44025 vs IS 6911 X108Cr17Mo

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

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

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