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BS 970 EN160 vs BS 970 (Part 1) 665H23

Close Alternative — 78.9% match based on chemical composition and mechanical property overlap.

BS 970 EN160 (BS 970:1955) and BS 970 (Part 1) 665H23 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN160 is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. suitable for 45/55 (r), 50/60 (s), 55/65 (t), 60/70 (u) tons/sq in according to ruling section., while BS 970 (Part 1) 665H23 is commonly used for case hardening steel supplied to specified hardenability limits (end quench test, table 10).. BS 970 EN160 is defined under British Standards (BS), originating from United Kingdom, while BS 970 (Part 1) 665H23 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN160 vs BS 970 (Part 1) 665H23 is a 78.9% 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 78.9%.

Frequently Compared With BS 970 EN160:
IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
78.9%
MECHANICAL MATCH
No shared data
OVERALL
78.9%
Specifications
Property BS 970 EN160 BS 970 (Part 1) 665H23
Standard BS 970:1955 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.35-0.45 0.20-0.26
Si (%) 0.10-0.35 Not specified
Mn (%) 0.30-0.60 0.35-0.75
Ni (%) 1.50-2.00 1.50-2.00
Mo (%) 0.20-0.35 0.20-0.30
S (%) <=0.050 <=0.040
P (%) <=0.050 <=0.035
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 EN160 BS 970 (Part 1) 665H23
Tensile Strength ≥695 MPa (45 tons/sq in, converted) Not specified
Yield Strength ≥525 MPa (34 tons/sq in, converted) Not specified
Elongation ≥22% Not specified
Hardness 201-255 HB Not specified
Condition Hardened and tempered R, ruling section 6 in (lowest-strength condition of the standard) Not specified
Typical Applications
BS 970 EN160
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Suitable for 45/55 (R), 50/60 (S), 55/65 (T), 60/70 (U) tons/sq in according to ruling section.
BS 970 (Part 1) 665H23
Case hardening steel supplied to specified hardenability limits (end quench test, Table 10).
Key Differences
Can BS 970 EN160 Be Substituted With BS 970 (Part 1) 665H23?
BS 970 EN160 and BS 970 (Part 1) 665H23 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 EN160
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BS 970 (Part 1) 665H23
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Frequently Asked Questions
What is the difference between BS 970 EN160 and BS 970 (Part 1) 665H23?
BS 970 EN160 specifies Si which is not specified for BS 970 (Part 1) 665H23.
Can BS 970 EN160 be substituted with BS 970 (Part 1) 665H23?
BS 970 EN160 and BS 970 (Part 1) 665H23 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.