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EN ISO 4957 X40CrMoV5-1 vs IS 3748 XT35Cr5Mo1V3

Strong Match — 90.1% match based on chemical composition and mechanical property overlap.

EN ISO 4957 X40CrMoV5-1 (EN ISO 4957:2018) and IS 3748 XT35Cr5Mo1V3 (IS 3748:1990) are both steel grades. Both fall under the Tool & Die Steels category. EN ISO 4957 X40CrMoV5-1 is typically used for die casting dies, extrusion dies, forging dies, hot shear blades, while IS 3748 XT35Cr5Mo1V3 is commonly used for hot work tools and dies, such as die-casting dies and hot headers. EN ISO 4957 X40CrMoV5-1 is defined under European Standard (EN), originating from Europe, while IS 3748 XT35Cr5Mo1V3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, EN ISO 4957 X40CrMoV5-1 vs IS 3748 XT35Cr5Mo1V3 is a 85.1% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 90.1%.

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 IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
85.1%
MECHANICAL MATCH
100%
OVERALL
90.1%
Specifications
Property EN ISO 4957 X40CrMoV5-1 IS 3748 XT35Cr5Mo1V3
Standard EN ISO 4957:2018 IS 3748:1990
Category Tool & Die Steels Tool & Die Steels
C (%) 0.35–0.42 0.30-0.40
Si (%) 0.80–1.20 0.80-1.20
Mn (%) 0.30–0.50 0.25-0.50
Cr (%) 4.75–5.50 4.75-5.50
Mo (%) 1.20–1.50 1.20-1.60
V (%) 0.85–1.15 0.20-0.40
S (%) Not specified <=0.035
P (%) Not specified <=0.035
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 3748 XT35Cr5Mo1V3
Hardness HRC (hardened) 42–54 Not specified
Hardness HB (annealed) ≤235 Not specified
Hot Strength Excellent to 600°C Not specified
Hardness Not specified <=235 HB
Condition Not specified Annealed (maximum Brinell hardness)
Typical Applications
EN ISO 4957 X40CrMoV5-1
Die casting dies, extrusion dies, forging dies, hot shear blades
IS 3748 XT35Cr5Mo1V3
Hot work tools and dies, such as die-casting dies and hot headers
Key Differences
Can EN ISO 4957 X40CrMoV5-1 Be Substituted With IS 3748 XT35Cr5Mo1V3?
EN ISO 4957 X40CrMoV5-1 and IS 3748 XT35Cr5Mo1V3 overlap closely enough on chemistry and mechanical properties that IS 3748 XT35Cr5Mo1V3 is often considered as a substitute for EN ISO 4957 X40CrMoV5-1 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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 3748 XT35Cr5Mo1V3
No active listings currently.
On M-EX Right Now
EN ISO 4957 X40CrMoV5-1
3 active listings and RFQs →
IS 3748 XT35Cr5Mo1V3
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN ISO 4957 X40CrMoV5-1 and IS 3748 XT35Cr5Mo1V3?
IS 3748 XT35Cr5Mo1V3 specifies S, P which are not specified for EN ISO 4957 X40CrMoV5-1.
Can EN ISO 4957 X40CrMoV5-1 be substituted with IS 3748 XT35Cr5Mo1V3?
EN ISO 4957 X40CrMoV5-1 and IS 3748 XT35Cr5Mo1V3 overlap closely enough on chemistry and mechanical properties that IS 3748 XT35Cr5Mo1V3 is often considered as a substitute for EN ISO 4957 X40CrMoV5-1 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.