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EN 10084 C10E vs BS 970 (Part 1) 040A10

Strong Match — 90% match based on chemical composition and mechanical property overlap.

EN 10084 C10E (EN 10084:2008) and BS 970 (Part 1) 040A10 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. EN 10084 C10E is typically used for case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1), while BS 970 (Part 1) 040A10 is commonly used for used for bolts, studs, shafts, brackets, fabricated components, and general engineering parts.. EN 10084 C10E is defined under European Standard (EN), originating from Europe, while BS 970 (Part 1) 040A10 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, EN 10084 C10E vs BS 970 (Part 1) 040A10 is a 90% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 90%.

Frequently Compared With EN 10084 C10E:
BS 970 (Part 3) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A12 BS 970 (Part 1) 060A40 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A45
Match Breakdown
CHEMISTRY MATCH
90%
MECHANICAL MATCH
No shared data
OVERALL
90%
Specifications
Property EN 10084 C10E BS 970 (Part 1) 040A10
Standard EN 10084:2008 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.07-0.13 0.08-0.13
Mn (%) 0.30-0.60 0.30-0.50
P (%) <=0.035 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 C10E BS 970 (Part 1) 040A10
Condition Soft annealed Not specified
Hardness Soft annealed: 131 HB max Not specified
Typical Applications
EN 10084 C10E
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
BS 970 (Part 1) 040A10
Used for bolts, studs, shafts, brackets, fabricated components, and general engineering parts.
Key Differences
Can EN 10084 C10E Be Substituted With BS 970 (Part 1) 040A10?
EN 10084 C10E and BS 970 (Part 1) 040A10 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 040A10 is often considered as a substitute for EN 10084 C10E in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
EN 10084 C10E
No active listings currently.
BS 970 (Part 1) 040A10
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 4700–5500 mm (185.04–216.54 in)
On M-EX Right Now
EN 10084 C10E
0 active listings and RFQs →
BS 970 (Part 1) 040A10
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10084 C10E and BS 970 (Part 1) 040A10?
EN 10084 C10E specifies P, S, Si which are not specified for BS 970 (Part 1) 040A10.
Can EN 10084 C10E be substituted with BS 970 (Part 1) 040A10?
EN 10084 C10E and BS 970 (Part 1) 040A10 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 040A10 is often considered as a substitute for EN 10084 C10E in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.