Post Stock Login Register

EN ISO 4957 X40CrMoV5-1 vs IS 1570 (Part 6) 103T3

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

EN ISO 4957 X40CrMoV5-1 (EN ISO 4957:2018) and IS 1570 (Part 6) 103T3 (IS 1570 (Part 6):1996) are both steel grades. Both fall under the Tool & Die Steels category. EN ISO 4957 X40CrMoV5-1 is defined under European Standard (EN), originating from Europe, while IS 1570 (Part 6) 103T3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, EN ISO 4957 X40CrMoV5-1 vs IS 1570 (Part 6) 103T3 is a 50.3% 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 ISO 4957 X40CrMoV5-1:
GB/T 1299 4Cr5MoSiV GB/T 1299 4Cr5MoSiV1 DIN EN ISO 4957 1.2344 EN ISO 683-17 100Cr6 GOST 5950 4H5MFS1 EN ISO 4957 1.2316 DIN EN ISO 4957 1.2379 GB/T 1299 3Cr2W8V GOST 5950 3H2W8F GOST 5950 4H5MFS AISI 52100
Other Tool & Die Steels Grades to Compare With EN ISO 4957 X40CrMoV5-1:
IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
50.3%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property EN ISO 4957 X40CrMoV5-1 IS 1570 (Part 6) 103T3
Standard EN ISO 4957:2018 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 0.35–0.42 0.95-1.10
Si (%) 0.80–1.20 0.10-0.30
Mn (%) 0.30–0.50 <=0.40
Cr (%) 4.75–5.50 <=0.20
Mo (%) 1.20–1.50 Not specified
V (%) 0.85–1.15 Not specified
P (%) Not specified <=0.035
S (%) Not specified <=0.035
Cu (%) Not specified <=0.25
Ni (%) Not specified <=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 EN ISO 4957 X40CrMoV5-1 IS 1570 (Part 6) 103T3
Hardness HRC (hardened) 42–54 Not specified
Hardness HB (annealed) ≤235 Not specified
Hot Strength Excellent to 600°C Not specified
Typical Applications
EN ISO 4957 X40CrMoV5-1
Die casting dies, extrusion dies, forging dies, hot shear blades
IS 1570 (Part 6) 103T3
Not documented
Key Differences
Can EN ISO 4957 X40CrMoV5-1 Be Substituted With IS 1570 (Part 6) 103T3?
EN ISO 4957 X40CrMoV5-1 and IS 1570 (Part 6) 103T3 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
EN ISO 4957 X40CrMoV5-1
Round Bar → (3 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2600–4800 mm (102.36–188.98 in)
IS 1570 (Part 6) 103T3
No active listings currently.
On M-EX Right Now
EN ISO 4957 X40CrMoV5-1
3 active listings and RFQs →
IS 1570 (Part 6) 103T3
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN ISO 4957 X40CrMoV5-1 and IS 1570 (Part 6) 103T3?
EN ISO 4957 X40CrMoV5-1 specifies Mo, V which are not specified for IS 1570 (Part 6) 103T3. IS 1570 (Part 6) 103T3 specifies P, S, Cu, Ni which are not specified for EN ISO 4957 X40CrMoV5-1.
Can EN ISO 4957 X40CrMoV5-1 be substituted with IS 1570 (Part 6) 103T3?
EN ISO 4957 X40CrMoV5-1 and IS 1570 (Part 6) 103T3 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.