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BS 970 (Part 1) 170H41 vs EN 10083-3 38MnB5

Close Alternative — 83.4% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 170H41 (BS 970 (Part 1):1991) and EN 10083-3 38MnB5 (EN 10083-3:2006) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 170H41 is typically used for through hardening boron steel (section three), while EN 10083-3 38MnB5 is commonly used for quenched and tempered, flame or induction hardened machine parts (clause 1). BS 970 (Part 1) 170H41 is defined under British Standards (BS), originating from United Kingdom, while EN 10083-3 38MnB5 is defined under European Standard (EN), originating from Europe.

As per chemical composition, BS 970 (Part 1) 170H41 vs EN 10083-3 38MnB5 is a 83.4% 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 83.4%.

Frequently Compared With BS 970 (Part 1) 170H41:
IS 1570 (Part 4) 103Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
83.4%
MECHANICAL MATCH
No shared data
OVERALL
83.4%
Specifications
Property BS 970 (Part 1) 170H41 EN 10083-3 38MnB5
Standard BS 970 (Part 1):1991 EN 10083-3:2006
Category Alloy Steel Alloy Steel
C (%) 0.37-0.44 0.36-0.42
Mn (%) 0.80-1.10 1.15-1.45
B (%) 0.0005-0.005 0.0008-0.0050
P (%) Not specified <=0.025
S (%) Not specified <=0.035
Si (%) Not specified <=0.40
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) 170H41 EN 10083-3 38MnB5
Condition Not specified Quenched and tempered (+QT), ruling section d <= 16 mm
Elongation Not specified 12% min
Tensile Strength Not specified 1050 to 1250 MPa
Yield Strength Not specified 900 MPa min
Typical Applications
BS 970 (Part 1) 170H41
Through hardening boron steel (section three)
EN 10083-3 38MnB5
Quenched and tempered, flame or induction hardened machine parts (clause 1)
Key Differences
Can BS 970 (Part 1) 170H41 Be Substituted With EN 10083-3 38MnB5?
BS 970 (Part 1) 170H41 and EN 10083-3 38MnB5 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.
On M-EX Right Now
BS 970 (Part 1) 170H41
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EN 10083-3 38MnB5
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 170H41 and EN 10083-3 38MnB5?
EN 10083-3 38MnB5 specifies P, S, Si which are not specified for BS 970 (Part 1) 170H41.
Can BS 970 (Part 1) 170H41 be substituted with EN 10083-3 38MnB5?
BS 970 (Part 1) 170H41 and EN 10083-3 38MnB5 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.