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BS 970 EN52 vs IS 1570 (Part 5) X45Cr9Si3

Strong Match — 99.1% match based on chemical composition and mechanical property overlap.

BS 970 EN52 (BS 970:1955) and IS 1570 (Part 5) X45Cr9Si3 (IS 1570 (Part 5):1985) are both steel grades. Both fall under the Stainless Steel category. BS 970 EN52 is defined under British Standards (BS), originating from United Kingdom, while IS 1570 (Part 5) X45Cr9Si3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 EN52 vs IS 1570 (Part 5) X45Cr9Si3 is a 99.1% 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 99.1%.

Frequently Compared With BS 970 EN52:
ASTM A959 .- GOST 5632 08X18H10 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12Ni2Mo GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoH GB/T 3280 06Cr19Ni10 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
99.1%
MECHANICAL MATCH
No shared data
OVERALL
99.1%
Specifications
Property BS 970 EN52 IS 1570 (Part 5) X45Cr9Si3
Standard BS 970:1955 IS 1570 (Part 5):1985
Category Stainless Steel Stainless Steel
C (%) 0.40-0.50 0.40-0.50
Si (%) 3.00-3.75 3.0-3.75
Mn (%) 0.30-0.60 0.30-0.60
Ni (%) <=0.50 <=0.50
Cr (%) 7.50-9.50 7.5-9.5
S (%) <=0.040 <=0.050
P (%) <=0.040 <=0.045
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 EN52 IS 1570 (Part 5) X45Cr9Si3
Hardness Not specified 255-293 HB
Condition Not specified Valve steel, hardened and tempered (Table 6)
Typical Applications
BS 970 EN52
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars.
IS 1570 (Part 5) X45Cr9Si3
Not documented
Can BS 970 EN52 Be Substituted With IS 1570 (Part 5) X45Cr9Si3?
BS 970 EN52 and IS 1570 (Part 5) X45Cr9Si3 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 5) X45Cr9Si3 is often considered as a substitute for BS 970 EN52 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 EN52
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IS 1570 (Part 5) X45Cr9Si3
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Frequently Asked Questions
What is the difference between BS 970 EN52 and IS 1570 (Part 5) X45Cr9Si3?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN52 be substituted with IS 1570 (Part 5) X45Cr9Si3?
BS 970 EN52 and IS 1570 (Part 5) X45Cr9Si3 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 5) X45Cr9Si3 is often considered as a substitute for BS 970 EN52 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.