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

Close Alternative — 84.5% match based on chemical composition and mechanical property overlap.

EN 10083-3 38MnB5 (EN 10083-3:2006) and BS 970 (Part 1) 170H41 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. EN 10083-3 38MnB5 is typically used for quenched and tempered, flame or induction hardened machine parts (clause 1), while BS 970 (Part 1) 170H41 is commonly used for through hardening steel for mechanical and allied engineering purposes (table 6 gives composition only; see the hardenability tables).. EN 10083-3 38MnB5 is defined under European Standard (EN), originating from Europe, while BS 970 (Part 1) 170H41 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, EN 10083-3 38MnB5 vs BS 970 (Part 1) 170H41 is a 84.5% 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 84.5%.

Frequently Compared With EN 10083-3 38MnB5:
IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H UNI 11234 100Cr6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
84.5%
MECHANICAL MATCH
No shared data
OVERALL
84.5%
Specifications
Property EN 10083-3 38MnB5 BS 970 (Part 1) 170H41
Standard EN 10083-3:2006 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
B (%) 0.0008-0.0050 0.0005-0.005
C (%) 0.36-0.42 0.37-0.44
Mn (%) 1.15-1.45 0.80-1.10
P (%) <=0.025 <=0.035
S (%) <=0.035 <=0.040
Si (%) <=0.40 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10083-3 38MnB5 BS 970 (Part 1) 170H41
Condition Quenched and tempered (+QT), ruling section d <= 16 mm Not specified
Elongation 12% min Not specified
Tensile Strength 1050 to 1250 MPa Not specified
Yield Strength 900 MPa min Not specified
Typical Applications
EN 10083-3 38MnB5
Quenched and tempered, flame or induction hardened machine parts (clause 1)
BS 970 (Part 1) 170H41
Through hardening steel for mechanical and allied engineering purposes (Table 6 gives composition only; see the hardenability tables).
Key Differences
Can EN 10083-3 38MnB5 Be Substituted With BS 970 (Part 1) 170H41?
EN 10083-3 38MnB5 and BS 970 (Part 1) 170H41 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
EN 10083-3 38MnB5
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BS 970 (Part 1) 170H41
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Frequently Asked Questions
What is the difference between EN 10083-3 38MnB5 and BS 970 (Part 1) 170H41?
EN 10083-3 38MnB5 specifies Si which is not specified for BS 970 (Part 1) 170H41.
Can EN 10083-3 38MnB5 be substituted with BS 970 (Part 1) 170H41?
EN 10083-3 38MnB5 and BS 970 (Part 1) 170H41 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.