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EN 10083-1 51CrV4 vs BS 970 EN42D

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

EN 10083-1 51CrV4 (EN 10083-1:1996) and BS 970 EN42D (BS 970:1955) are both steel grades. Both fall under the Spring Steel category. EN 10083-1 51CrV4 is defined under European Standard (EN), originating from Europe, while BS 970 EN42D is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, EN 10083-1 51CrV4 vs BS 970 EN42D is a 70.5% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN 10083-1 51CrV4:
EN 10083-3 51CrV4 EN 10083-1 51CrV4 IS 3431 50Cr4V2 EN 10089 50CrV4 IS 5517 55Cr3 IS 3195 65Si7 IS 3431 65Si7 BS 970 EN42C BS 970 EN42F BS 970 EN42G IS 3195 113C6 IS 3195 50Cr4V2
Match Breakdown
CHEMISTRY MATCH
70.5%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property EN 10083-1 51CrV4 BS 970 EN42D
Standard EN 10083-1:1996 BS 970:1955
Category Spring Steel Spring Steel
C (%) 0.47-0.55 0.80-0.90
Cr (%) 0.90-1.20 Not specified
Mn (%) 0.70-1.10 0.55-0.80
P (%) <=0.035 <=0.050
S (%) <=0.035 <=0.050
Si (%) <=0.40 <=0.35
V (%) 0.10-0.25 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 10083-1 51CrV4 BS 970 EN42D
Condition Quenched and tempered, ruling section d <= 16 mm Not specified
Elongation 9% min Not specified
Hardness Soft annealed: 248 HB max Not specified
Tensile Strength 1100 to 1300 MPa Not specified
Yield Strength 900 MPa min Not specified
Typical Applications
EN 10083-1 51CrV4
Quenched and tempered machine parts (clause 1.1)
BS 970 EN42D
Not documented
Key Differences
Can EN 10083-1 51CrV4 Be Substituted With BS 970 EN42D?
EN 10083-1 51CrV4 and BS 970 EN42D 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 10083-1 51CrV4
0 active listings and RFQs →
BS 970 EN42D
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10083-1 51CrV4 and BS 970 EN42D?
EN 10083-1 51CrV4 specifies Cr, V which are not specified for BS 970 EN42D.
Can EN 10083-1 51CrV4 be substituted with BS 970 EN42D?
EN 10083-1 51CrV4 and BS 970 EN42D 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.