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IS 1570 (Part 6) XT35Cr5MoV1 vs EN ISO 4957 X40CrMoV5-1

Strong Match — 87.5% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 6) XT35Cr5MoV1 (IS 1570 (Part 6):1996) and EN ISO 4957 X40CrMoV5-1 (EN ISO 4957:2018) are both steel grades. Both fall under the Tool & Die Steels category. IS 1570 (Part 6) XT35Cr5MoV1 is defined under Bureau of Indian Standards (IS), originating from India, while EN ISO 4957 X40CrMoV5-1 is defined under European Standard (EN), originating from Europe.

As per chemical composition, IS 1570 (Part 6) XT35Cr5MoV1 vs EN ISO 4957 X40CrMoV5-1 is a 87.5% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 87.5%.

Frequently Compared With IS 1570 (Part 6) XT35Cr5MoV1:
GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2344 GOST 5950 4H5MFS IS 1570 (Part 6) 118T3 GB/T 1299 4Cr5MoSiV1 EN ISO 4957 1.2316 GB/T 1299 4Cr5MoSiV DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 103T3 GB/T 1299 3Cr2W8V GOST 5950 3H2W8F EN ISO 683-17 100Cr6
Match Breakdown
CHEMISTRY MATCH
87.5%
MECHANICAL MATCH
No shared data
OVERALL
87.5%
Specifications
Property IS 1570 (Part 6) XT35Cr5MoV1 EN ISO 4957 X40CrMoV5-1
Standard IS 1570 (Part 6):1996 EN ISO 4957:2018
Category Tool & Die Steels Tool & Die Steels
C (%) 0.30-0.40 0.35–0.42
Si (%) 0.80-1.20 0.80–1.20
Mn (%) 0.25-0.50 0.30–0.50
Cr (%) 4.75-5.50 4.75–5.50
Mo (%) 1.20-1.60 1.20–1.50
V (%) 1.00-1.20 0.85–1.15
P (%) <=0.035 Not specified
S (%) <=0.035 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 IS 1570 (Part 6) XT35Cr5MoV1 EN ISO 4957 X40CrMoV5-1
Hardness HRC (hardened) Not specified 42–54
Hardness HB (annealed) Not specified ≤235
Hot Strength Not specified Excellent to 600°C
Typical Applications
IS 1570 (Part 6) XT35Cr5MoV1
Not documented
EN ISO 4957 X40CrMoV5-1
Die casting dies, extrusion dies, forging dies, hot shear blades
Key Differences
Can IS 1570 (Part 6) XT35Cr5MoV1 Be Substituted With EN ISO 4957 X40CrMoV5-1?
IS 1570 (Part 6) XT35Cr5MoV1 and EN ISO 4957 X40CrMoV5-1 overlap closely enough on chemistry and mechanical properties that EN ISO 4957 X40CrMoV5-1 is often considered as a substitute for IS 1570 (Part 6) XT35Cr5MoV1 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
IS 1570 (Part 6) XT35Cr5MoV1
No active listings currently.
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)
On M-EX Right Now
IS 1570 (Part 6) XT35Cr5MoV1
0 active listings and RFQs →
EN ISO 4957 X40CrMoV5-1
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 6) XT35Cr5MoV1 and EN ISO 4957 X40CrMoV5-1?
IS 1570 (Part 6) XT35Cr5MoV1 specifies P, S which are not specified for EN ISO 4957 X40CrMoV5-1.
Can IS 1570 (Part 6) XT35Cr5MoV1 be substituted with EN ISO 4957 X40CrMoV5-1?
IS 1570 (Part 6) XT35Cr5MoV1 and EN ISO 4957 X40CrMoV5-1 overlap closely enough on chemistry and mechanical properties that EN ISO 4957 X40CrMoV5-1 is often considered as a substitute for IS 1570 (Part 6) XT35Cr5MoV1 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.