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EN 10084 14NiCrMo13-4 vs BS 970 (Part 1) 835M15

Close Alternative — 70.4% match based on chemical composition and mechanical property overlap.

EN 10084 14NiCrMo13-4 (EN 10084:2008) and BS 970 (Part 1) 835M15 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. EN 10084 14NiCrMo13-4 is typically used for case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1), while BS 970 (Part 1) 835M15 is commonly used for case hardening steel for mechanical and allied engineering purposes (table 11 mechanical properties).. EN 10084 14NiCrMo13-4 is defined under European Standard (EN), originating from Europe, while BS 970 (Part 1) 835M15 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, EN 10084 14NiCrMo13-4 vs BS 970 (Part 1) 835M15 is a 70.4% 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 70.4%.

Frequently Compared With EN 10084 14NiCrMo13-4:
IS 1570 (Part 4) 10Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
70.4%
MECHANICAL MATCH
No shared data
OVERALL
70.4%
Specifications
Property EN 10084 14NiCrMo13-4 BS 970 (Part 1) 835M15
Standard EN 10084:2008 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.11-0.17 0.12-0.18
Cr (%) 0.80-1.10 1.00-1.40
Mn (%) 0.30-0.60 0.25-0.50
Mo (%) 0.20-0.30 0.15-0.30
Ni (%) 3.00-3.50 3.90-4.30
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 10084 14NiCrMo13-4 BS 970 (Part 1) 835M15
Condition Soft annealed Not specified
Hardenability +H band at 1.5 mm from the quenched end: 39 to 47 HRC Not specified
Hardness Soft annealed: 241 HB max Not specified
Typical Applications
EN 10084 14NiCrMo13-4
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
BS 970 (Part 1) 835M15
Case hardening steel for mechanical and allied engineering purposes (Table 11 mechanical properties).
Key Differences
Can EN 10084 14NiCrMo13-4 Be Substituted With BS 970 (Part 1) 835M15?
EN 10084 14NiCrMo13-4 and BS 970 (Part 1) 835M15 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 10084 14NiCrMo13-4
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BS 970 (Part 1) 835M15
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Frequently Asked Questions
What is the difference between EN 10084 14NiCrMo13-4 and BS 970 (Part 1) 835M15?
EN 10084 14NiCrMo13-4 specifies Si which is not specified for BS 970 (Part 1) 835M15.
Can EN 10084 14NiCrMo13-4 be substituted with BS 970 (Part 1) 835M15?
EN 10084 14NiCrMo13-4 and BS 970 (Part 1) 835M15 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.