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BS 970 EN42D vs EN 10083-1 51CrV4

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

BS 970 EN42D (BS 970:1955) and EN 10083-1 51CrV4 (EN 10083-1:1991) are both steel grades. Both fall under the Spring Steel category. BS 970 EN42D is defined under British Standards (BS), originating from United Kingdom, while EN 10083-1 51CrV4 is defined under European Standard (EN), originating from Europe.

As per chemical composition, BS 970 EN42D vs EN 10083-1 51CrV4 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 BS 970 EN42D:
BS 970 EN42C EN 10089 55Cr3 BS 970 EN42G IS 5517 55Cr3 IS 3431 50Cr4V2 IS 3195 50Cr4V2 EN 10089 50CrV4 EN 10083-3 51CrV4 IS 3195 52Cr4Mo2V BS 970 EN42 IS 3195 113C6 EN 10083-1 51CrV4
Match Breakdown
CHEMISTRY MATCH
70.5%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property BS 970 EN42D EN 10083-1 51CrV4
Standard BS 970:1955 EN 10083-1:1991
Category Spring Steel Spring Steel
C (%) 0.80-0.90 0.47-0.55
Si (%) <=0.35 <=0.40
Mn (%) 0.55-0.80 0.70-1.10
S (%) <=0.050 <=0.035
P (%) <=0.050 <=0.035
Cr (%) Not specified 0.90-1.20
V (%) Not specified 0.10-0.25
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 EN42D EN 10083-1 51CrV4
Condition Not specified Quenched and tempered, ruling section d <= 16 mm
Elongation Not specified 9% min
Hardness Not specified Soft annealed: 248 HB max
Tensile Strength Not specified 1100 to 1300 MPa
Yield Strength Not specified 900 MPa min
Typical Applications
BS 970 EN42D
Not documented
EN 10083-1 51CrV4
Quenched and tempered machine parts; non alloy steels also normalized (clause 1)
Key Differences
Can BS 970 EN42D Be Substituted With EN 10083-1 51CrV4?
BS 970 EN42D and EN 10083-1 51CrV4 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
BS 970 EN42D
0 active listings and RFQs →
EN 10083-1 51CrV4
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN42D and EN 10083-1 51CrV4?
EN 10083-1 51CrV4 specifies Cr, V which are not specified for BS 970 EN42D.
Can BS 970 EN42D be substituted with EN 10083-1 51CrV4?
BS 970 EN42D and EN 10083-1 51CrV4 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.