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BS 970 EN207 vs EN 10084 17Cr3

Close Alternative — 83.6% match based on chemical composition and mechanical property overlap.

BS 970 EN207 (BS 970:1955) and EN 10084 17Cr3 (EN 10084:2008) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN207 is defined under British Standards (BS), originating from United Kingdom, while EN 10084 17Cr3 is defined under European Standard (EN), originating from Europe.

As per chemical composition, BS 970 EN207 vs EN 10084 17Cr3 is a 83.6% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 83.6%.

Frequently Compared With BS 970 EN207:
IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 NF A35-565 100C6 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
83.6%
MECHANICAL MATCH
No shared data
OVERALL
83.6%
Specifications
Property BS 970 EN207 EN 10084 17Cr3
Standard BS 970:1955 EN 10084:2008
Category Alloy Steel Alloy Steel
C (%) 0.16-0.21 0.14-0.20
Si (%) 0.10-0.35 <=0.40
Mn (%) 0.60-0.80 0.60-0.90
Cr (%) 0.60-0.80 0.70-1.00
S (%) <=0.050 <=0.035
P (%) <=0.050 <=0.025
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 EN207 EN 10084 17Cr3
Condition Not specified Soft annealed
Hardenability Not specified +H band at 1.5 mm from the quenched end: 39 to 47 HRC
Hardness Not specified Soft annealed: 174 HB max
Typical Applications
BS 970 EN207
Not documented
EN 10084 17Cr3
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
Can BS 970 EN207 Be Substituted With EN 10084 17Cr3?
BS 970 EN207 and EN 10084 17Cr3 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
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BS 970 EN207
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EN 10084 17Cr3
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Frequently Asked Questions
What is the difference between BS 970 EN207 and EN 10084 17Cr3?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN207 be substituted with EN 10084 17Cr3?
BS 970 EN207 and EN 10084 17Cr3 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.