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BS 970 (Part 1) 304S31 vs IS 1570 (Part 5) X04Cr18Ni10Ti

Strong Match — 94.8% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 304S31 (BS 970 (Part 1):1983) and IS 1570 (Part 5) X04Cr18Ni10Ti (IS 1570 (Part 5):1985) are both steel grades. Both fall under the Stainless Steel category. BS 970 (Part 1) 304S31 is defined under British Standards (BS), originating from United Kingdom, while IS 1570 (Part 5) X04Cr18Ni10Ti is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 (Part 1) 304S31 vs IS 1570 (Part 5) X04Cr18Ni10Ti is a 94.8% 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 94.8%.

Frequently Compared With BS 970 (Part 1) 304S31:
GB/T 3280 06Cr19Ni10 EN 10088-1 1.4845 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 IS 1570 (Part 7) 12Cr13H ASTM A959 .- GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006
Match Breakdown
CHEMISTRY MATCH
94.8%
MECHANICAL MATCH
No shared data
OVERALL
94.8%
Specifications
Property BS 970 (Part 1) 304S31 IS 1570 (Part 5) X04Cr18Ni10Ti
Standard BS 970 (Part 1):1983 IS 1570 (Part 5):1985
Category Stainless Steel Stainless Steel
C (%) <=0.07 <=0.08
Si (%) <=1.0 <=1.0
Mn (%) <=2.0 <=2.0
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.030
Cr (%) 17.0-19.0 17.0-19.0
Ni (%) 8.0-11.0 9.0-12.0
Ti (%) Not specified >=5xC, <=0.80
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 1) 304S31 IS 1570 (Part 5) X04Cr18Ni10Ti
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 1) 304S31
Austenitic stainless and heat resisting steel for mechanical and allied engineering purposes (Table 14, with Table 15 for the cold drawn condition).
IS 1570 (Part 5) X04Cr18Ni10Ti
Not documented
Key Differences
Can BS 970 (Part 1) 304S31 Be Substituted With IS 1570 (Part 5) X04Cr18Ni10Ti?
BS 970 (Part 1) 304S31 and IS 1570 (Part 5) X04Cr18Ni10Ti overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 5) X04Cr18Ni10Ti is often considered as a substitute for BS 970 (Part 1) 304S31 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
BS 970 (Part 1) 304S31
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IS 1570 (Part 5) X04Cr18Ni10Ti
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 304S31 and IS 1570 (Part 5) X04Cr18Ni10Ti?
IS 1570 (Part 5) X04Cr18Ni10Ti specifies Ti which is not specified for BS 970 (Part 1) 304S31.
Can BS 970 (Part 1) 304S31 be substituted with IS 1570 (Part 5) X04Cr18Ni10Ti?
BS 970 (Part 1) 304S31 and IS 1570 (Part 5) X04Cr18Ni10Ti overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 5) X04Cr18Ni10Ti is often considered as a substitute for BS 970 (Part 1) 304S31 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.