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BS 970 (Part 3) 303S42 vs IS 1570 (Part 5) X07Cr18Ni9

Strong Match — 96.3% match based on chemical composition and mechanical property overlap.

BS 970 (Part 3) 303S42 (BS 970 (Part 3):1991) and IS 1570 (Part 5) X07Cr18Ni9 (IS 1570 (Part 5):1985) are both steel grades. Both fall under the Stainless Steel category. BS 970 (Part 3) 303S42 is defined under British Standards (BS), originating from United Kingdom, while IS 1570 (Part 5) X07Cr18Ni9 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 (Part 3) 303S42 vs IS 1570 (Part 5) X07Cr18Ni9 is a 96.3% 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 96.3%.

Frequently Compared With BS 970 (Part 3) 303S42:
EN 10088-1 1.4845 GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .- GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
96.3%
MECHANICAL MATCH
No shared data
OVERALL
96.3%
Specifications
Property BS 970 (Part 3) 303S42 IS 1570 (Part 5) X07Cr18Ni9
Standard BS 970 (Part 3):1991 IS 1570 (Part 5):1985
Category Stainless Steel Stainless Steel
C (%) <=0.12 <=0.15
Si (%) <=1.0 <=1.0
Mn (%) <=2.0 <=2.0
P (%) <=0.060 <=0.045
S (%) <=0.060 <=0.030
Cr (%) 17.0-19.0 17.0-19.0
Ni (%) 8.0-10.0 8.0-10.0
Se (%) 0.15-0.35 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 BS 970 (Part 3) 303S42 IS 1570 (Part 5) X07Cr18Ni9
Tensile Strength Not specified >=515 MPa
Yield Strength Not specified >=205 MPa (0.2 % proof stress)
Elongation Not specified >=40% (50 mm)
Hardness Not specified <=183 HB; <=88 HRB
Condition Not specified Annealed, quenched or solution treated plates, sheets and strips (Table 2)
Typical Applications
BS 970 (Part 3) 303S42
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 1570 (Part 5) X07Cr18Ni9
Not documented
Key Differences
Can BS 970 (Part 3) 303S42 Be Substituted With IS 1570 (Part 5) X07Cr18Ni9?
BS 970 (Part 3) 303S42 and IS 1570 (Part 5) X07Cr18Ni9 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 5) X07Cr18Ni9 is often considered as a substitute for BS 970 (Part 3) 303S42 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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BS 970 (Part 3) 303S42
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IS 1570 (Part 5) X07Cr18Ni9
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Frequently Asked Questions
What is the difference between BS 970 (Part 3) 303S42 and IS 1570 (Part 5) X07Cr18Ni9?
BS 970 (Part 3) 303S42 specifies Se which is not specified for IS 1570 (Part 5) X07Cr18Ni9.
Can BS 970 (Part 3) 303S42 be substituted with IS 1570 (Part 5) X07Cr18Ni9?
BS 970 (Part 3) 303S42 and IS 1570 (Part 5) X07Cr18Ni9 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 5) X07Cr18Ni9 is often considered as a substitute for BS 970 (Part 3) 303S42 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.