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EN 10083-1 51CrV4 vs BS 970 EN42G

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

EN 10083-1 51CrV4 (EN 10083-1:1991) and BS 970 EN42G (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 EN42G is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, EN 10083-1 51CrV4 vs BS 970 EN42G is a 69.5% 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 10089 50CrV4 IS 5517 55Cr3 EN 10083-3 51CrV4 EN 10083-1 51CrV4 IS 3431 60Cr4V2 IS 3431 50Cr4V2 IS 3195 60Si7 IS 3195 65Si7 IS 3195 50Cr4V2 IS 3431 55Si7 IS 3431 65Si7 IS 3195 113C6
Match Breakdown
CHEMISTRY MATCH
69.5%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property EN 10083-1 51CrV4 BS 970 EN42G
Standard EN 10083-1:1991 BS 970:1955
Category Spring Steel Spring Steel
C (%) 0.47-0.55 0.75-0.90
Cr (%) 0.90-1.20 Not specified
Mn (%) 0.70-1.10 0.30-0.60
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 EN42G
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; non alloy steels also normalized (clause 1)
BS 970 EN42G
Not documented
Key Differences
Can EN 10083-1 51CrV4 Be Substituted With BS 970 EN42G?
EN 10083-1 51CrV4 and BS 970 EN42G 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 EN42G
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10083-1 51CrV4 and BS 970 EN42G?
EN 10083-1 51CrV4 specifies Cr, V which are not specified for BS 970 EN42G.
Can EN 10083-1 51CrV4 be substituted with BS 970 EN42G?
EN 10083-1 51CrV4 and BS 970 EN42G 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.