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IS 4367 55Si7 vs EN 10083-3 51CrV4

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

IS 4367 55Si7 (IS 4367:1991) and EN 10083-3 51CrV4 (EN 10083-3:2006) are both steel grades. Both fall under the Spring Steel category. IS 4367 55Si7 is defined under Bureau of Indian Standards (IS), originating from India, while EN 10083-3 51CrV4 is defined under European Standard (EN), originating from Europe.

As per chemical composition, IS 4367 55Si7 vs EN 10083-3 51CrV4 is a 68.3% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 4367 55Si7:
IS 3431 55Si7 IS 3431 60Si7 IS 1570 (Part 4) 55Si7 IS 5517 55Cr3 IS 1570 (Part 4) 60Si7 IS 3195 55Si7 IS 1570 (Part 4) 65Si7 EN 10089 55Cr3 IS 3431 65Si7 EN 10089 50CrV4 GB/T 1222 55CrMnA EN 10089 55Si7
Match Breakdown
CHEMISTRY MATCH
68.3%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property IS 4367 55Si7 EN 10083-3 51CrV4
Standard IS 4367:1991 EN 10083-3:2006
Category Spring Steel Spring Steel
C (%) 0.50-0.60 0.47-0.55
Si (%) 1.50-2.00 <=0.40
Mn (%) 0.80-1.00 0.70-1.10
S (%) <=0.035 <=0.025
P (%) <=0.035 <=0.025
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 IS 4367 55Si7 EN 10083-3 51CrV4
Tensile Strength 1300-1500 MPa 1100 to 1300 MPa
Hardness 380-440 HB Soft annealed (+A): 248 HBW max
Hardness (soft annealed) <=245 HB Not specified
Condition Hardened and tempered, ruling section up to 100 mm Quenched and tempered (+QT), ruling section d <= 16 mm
Elongation Not specified 9% min
Yield Strength Not specified 900 MPa min
Typical Applications
IS 4367 55Si7
Not documented
EN 10083-3 51CrV4
Valve springs, clutch springs, high duty coil springs
Key Differences
Can IS 4367 55Si7 Be Substituted With EN 10083-3 51CrV4?
IS 4367 55Si7 and EN 10083-3 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.
Forms & Sizes Available on M-EX
IS 4367 55Si7
No active listings currently.
EN 10083-3 51CrV4
Round Bar → (3 listings)
Diameter: 30–30 mm (1.18–1.18 in)
Length: 6300–7000 mm (248.03–275.59 in)
On M-EX Right Now
IS 4367 55Si7
0 active listings and RFQs →
EN 10083-3 51CrV4
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 4367 55Si7 and EN 10083-3 51CrV4?
EN 10083-3 51CrV4 specifies Cr, V which are not specified for IS 4367 55Si7.
Can IS 4367 55Si7 be substituted with EN 10083-3 51CrV4?
IS 4367 55Si7 and EN 10083-3 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.