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EN 10083-2 C35R vs BS 970 (Part 1) 045M10

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

EN 10083-2 C35R (EN 10083-2:2006) and BS 970 (Part 1) 045M10 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. EN 10083-2 C35R is typically used for quenched and tempered, flame or induction hardened machine parts; can also be used normalized (clause 1), while BS 970 (Part 1) 045M10 is commonly used for case hardening steel (section four). EN 10083-2 C35R is defined under European Standard (EN), originating from Europe, while BS 970 (Part 1) 045M10 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, EN 10083-2 C35R vs BS 970 (Part 1) 045M10 is a 59.7% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN 10083-2 C35R:
BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 060A67 BS 970 (Part 1) 060A78 BS 970 (Part 1) 060A81 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A62 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A72
Match Breakdown
CHEMISTRY MATCH
59.7%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property EN 10083-2 C35R BS 970 (Part 1) 045M10
Standard EN 10083-2:2006 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.32-0.39 0.07-0.13
Cr (%) <=0.40 Not specified
Cr+Mo+Ni (%) <=0.63 Not specified
Mn (%) 0.50-0.80 0.30-0.60
Mo (%) <=0.10 Not specified
Ni (%) <=0.40 Not specified
P (%) <=0.030 Not specified
S (%) 0.020-0.040 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 10083-2 C35R BS 970 (Part 1) 045M10
Condition Quenched and tempered (+QT), ruling section d <= 16 mm Case hardened, 19 mm test bar
Elongation 17% min 18 % min
Tensile Strength 630 to 780 MPa 430 MPa min
Yield Strength 430 MPa min Not specified
Typical Applications
EN 10083-2 C35R
Quenched and tempered, flame or induction hardened machine parts; can also be used normalized (clause 1)
BS 970 (Part 1) 045M10
Case hardening steel (section four)
Key Differences
Can EN 10083-2 C35R Be Substituted With BS 970 (Part 1) 045M10?
EN 10083-2 C35R and BS 970 (Part 1) 045M10 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.
On M-EX Right Now
EN 10083-2 C35R
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BS 970 (Part 1) 045M10
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Frequently Asked Questions
What is the difference between EN 10083-2 C35R and BS 970 (Part 1) 045M10?
EN 10083-2 C35R specifies Cr, Cr+Mo+Ni, Mo, Ni which are not specified for BS 970 (Part 1) 045M10.
Can EN 10083-2 C35R be substituted with BS 970 (Part 1) 045M10?
EN 10083-2 C35R and BS 970 (Part 1) 045M10 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.