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EN 10084 10NiCr5-4 vs BS 970 (Part 1) 637H17

Related Material — 69.1% match based on chemical composition and mechanical property overlap.

EN 10084 10NiCr5-4 (EN 10084:2008) and BS 970 (Part 1) 637H17 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Alloy Steel category. EN 10084 10NiCr5-4 is typically used for case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1), while BS 970 (Part 1) 637H17 is commonly used for case hardening steel (section four). EN 10084 10NiCr5-4 is defined under European Standard (EN), originating from Europe, while BS 970 (Part 1) 637H17 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, EN 10084 10NiCr5-4 vs BS 970 (Part 1) 637H17 is a 69.1% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.1%.

Frequently Compared With EN 10084 10NiCr5-4:
IS 4367 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
69.1%
MECHANICAL MATCH
No shared data
OVERALL
69.1%
Specifications
Property EN 10084 10NiCr5-4 BS 970 (Part 1) 637H17
Standard EN 10084:2008 BS 970 (Part 1):1991
Category Alloy Steel Alloy Steel
C (%) 0.07-0.12 0.14-0.20
Cr (%) 0.90-1.20 0.60-1.00
Mn (%) 0.60-0.90 0.60-0.90
Ni (%) 1.20-1.50 0.85-1.25
P (%) <=0.025 Not specified
S (%) <=0.035 Not specified
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 10NiCr5-4 BS 970 (Part 1) 637H17
Condition Soft annealed Not specified
Hardenability +H band at 1.5 mm from the quenched end: 32 to 41 HRC Not specified
Hardness Soft annealed: 192 HB max Not specified
Typical Applications
EN 10084 10NiCr5-4
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
BS 970 (Part 1) 637H17
Case hardening steel (section four)
Key Differences
Can EN 10084 10NiCr5-4 Be Substituted With BS 970 (Part 1) 637H17?
EN 10084 10NiCr5-4 and BS 970 (Part 1) 637H17 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
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EN 10084 10NiCr5-4
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BS 970 (Part 1) 637H17
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Frequently Asked Questions
What is the difference between EN 10084 10NiCr5-4 and BS 970 (Part 1) 637H17?
EN 10084 10NiCr5-4 specifies P, S, Si which are not specified for BS 970 (Part 1) 637H17.
Can EN 10084 10NiCr5-4 be substituted with BS 970 (Part 1) 637H17?
EN 10084 10NiCr5-4 and BS 970 (Part 1) 637H17 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.