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IS 1570 (Part 5) X04Cr19Ni9 vs BS 970 (Part 1) 304S31

Strong Match — 93.4% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 5) X04Cr19Ni9 (IS 1570 (Part 5):1985) and BS 970 (Part 1) 304S31 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Stainless Steel category. IS 1570 (Part 5) X04Cr19Ni9 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 304S31 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 1570 (Part 5) X04Cr19Ni9 vs BS 970 (Part 1) 304S31 is a 93.4% 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 93.4%.

Frequently Compared With IS 1570 (Part 5) X04Cr19Ni9:
GB/T 3280 06Cr19Ni10 GOST 5632 12Kh13 EN 10088-1 1.4006 EN 10088-1 1.4845 ASTM A959 .- EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoVH GOST 5632 06Kh23N28 EN 10088-1 1.4401 GOST 5632 08X18H10 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH
Match Breakdown
CHEMISTRY MATCH
93.4%
MECHANICAL MATCH
No shared data
OVERALL
93.4%
Specifications
Property IS 1570 (Part 5) X04Cr19Ni9 BS 970 (Part 1) 304S31
Standard IS 1570 (Part 5):1985 BS 970 (Part 1):1983
Category Stainless Steel Stainless Steel
C (%) <=0.08 <=0.07
Si (%) <=1.0 <=1.0
Mn (%) <=2.0 <=2.0
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.030
Cr (%) 17.5-20.0 17.0-19.0
Ni (%) 8.0-10.5 8.0-11.0
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1570 (Part 5) X04Cr19Ni9 BS 970 (Part 1) 304S31
Tensile Strength >=515 MPa Not specified
Yield Strength >=205 MPa (0.2 % proof stress) Not specified
Elongation >=40% (50 mm) Not specified
Hardness <=183 HB; <=88 HRB Not specified
Condition Annealed, quenched or solution treated plates, sheets and strips (Table 2) Not specified
Typical Applications
IS 1570 (Part 5) X04Cr19Ni9
Not documented
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).
Can IS 1570 (Part 5) X04Cr19Ni9 Be Substituted With BS 970 (Part 1) 304S31?
IS 1570 (Part 5) X04Cr19Ni9 and BS 970 (Part 1) 304S31 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 304S31 is often considered as a substitute for IS 1570 (Part 5) X04Cr19Ni9 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 1570 (Part 5) X04Cr19Ni9
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BS 970 (Part 1) 304S31
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Frequently Asked Questions
What is the difference between IS 1570 (Part 5) X04Cr19Ni9 and BS 970 (Part 1) 304S31?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 1570 (Part 5) X04Cr19Ni9 be substituted with BS 970 (Part 1) 304S31?
IS 1570 (Part 5) X04Cr19Ni9 and BS 970 (Part 1) 304S31 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 304S31 is often considered as a substitute for IS 1570 (Part 5) X04Cr19Ni9 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.