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IS 5522 X07Cr18Ni9 vs BS 970 (Part 3) 302S31

Strong Match — 95.8% match based on chemical composition and mechanical property overlap.

IS 5522 X07Cr18Ni9 (IS 5522:2014) and BS 970 (Part 3) 302S31 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Stainless Steel category. IS 5522 X07Cr18Ni9 is typically used for utensils, while BS 970 (Part 3) 302S31 is commonly used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; austenitic stainless and heat resisting steel (table 18). IS 5522 X07Cr18Ni9 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 3) 302S31 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 5522 X07Cr18Ni9 vs BS 970 (Part 3) 302S31 is a 95.8% 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 95.8%.

Frequently Compared With IS 5522 X07Cr18Ni9:
ASTM A959 .- GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoVH GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
95.8%
MECHANICAL MATCH
No shared data
OVERALL
95.8%
Specifications
Property IS 5522 X07Cr18Ni9 BS 970 (Part 3) 302S31
Standard IS 5522:2014 BS 970 (Part 3):1991
Category Stainless Steel Stainless Steel
C (%) <=0.12 <=0.12
Si (%) <=0.75 <=1.0
Mn (%) <=2.00 <=2.0
Ni (%) 8.0-10.0 8.0-10.0
Cr (%) 17.0-19.0 17.0-19.0
S (%) <=0.030 <=0.030
P (%) <=0.045 <=0.045
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 IS 5522 X07Cr18Ni9 BS 970 (Part 3) 302S31
Tensile Strength >=515 MPa Not specified
Yield Strength >=205 MPa Not specified
Elongation >=40% Not specified
Hardness <=201 HB Not specified
Condition Annealed/softened Not specified
Typical Applications
IS 5522 X07Cr18Ni9
Utensils
BS 970 (Part 3) 302S31
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; austenitic stainless and heat resisting steel (Table 18)
Key Differences
Can IS 5522 X07Cr18Ni9 Be Substituted With BS 970 (Part 3) 302S31?
IS 5522 X07Cr18Ni9 and BS 970 (Part 3) 302S31 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 302S31 is often considered as a substitute for IS 5522 X07Cr18Ni9 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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IS 5522 X07Cr18Ni9
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BS 970 (Part 3) 302S31
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Frequently Asked Questions
What is the difference between IS 5522 X07Cr18Ni9 and BS 970 (Part 3) 302S31?
IS 5522 X07Cr18Ni9 specifies N which is not specified for BS 970 (Part 3) 302S31.
Can IS 5522 X07Cr18Ni9 be substituted with BS 970 (Part 3) 302S31?
IS 5522 X07Cr18Ni9 and BS 970 (Part 3) 302S31 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 302S31 is often considered as a substitute for IS 5522 X07Cr18Ni9 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.