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EN ISO 4957 X155CrVMo12-1 vs IS 1570 (Part 6) 103T3

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

EN ISO 4957 X155CrVMo12-1 (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 X155CrVMo12-1 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 X155CrVMo12-1 vs IS 1570 (Part 6) 103T3 is a 51.4% 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 X155CrVMo12-1:
DIN EN ISO 4957 1.2344 EN ISO 683-17 100Cr6 GOST 5950 3H2W8F EN ISO 4957 1.2316 GOST 5950 4H5MFS DIN EN ISO 4957 1.2379 GB/T 1299 3Cr2W8V GOST 5950 4H5MFS1 GB/T 1299 4Cr5MoSiV GB/T 1299 4Cr5MoSiV1 AISI 52100
Other Tool & Die Steels Grades to Compare With EN ISO 4957 X155CrVMo12-1:
IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
51.4%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property EN ISO 4957 X155CrVMo12-1 IS 1570 (Part 6) 103T3
Standard EN ISO 4957:2018 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 1.55–1.65 0.95-1.10
Mn (%) 0.20–0.50 <=0.40
Cr (%) 11.50–12.50 <=0.20
Mo (%) 0.60–0.80 Not specified
V (%) 0.70–1.00 Not specified
Si (%) ≤0.40 0.10-0.30
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 X155CrVMo12-1 IS 1570 (Part 6) 103T3
Hardness HRC (hardened) 58–62 Not specified
Hardness HB (annealed) ≤255 Not specified
Wear Resistance Excellent Not specified
Typical Applications
EN ISO 4957 X155CrVMo12-1
Blanking dies, forming dies, thread rolling dies, gauges
IS 1570 (Part 6) 103T3
Not documented
Key Differences
Can EN ISO 4957 X155CrVMo12-1 Be Substituted With IS 1570 (Part 6) 103T3?
EN ISO 4957 X155CrVMo12-1 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 X155CrVMo12-1
Round Bar → (3 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2500–3200 mm (98.43–125.98 in)
IS 1570 (Part 6) 103T3
No active listings currently.
On M-EX Right Now
EN ISO 4957 X155CrVMo12-1
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 X155CrVMo12-1 and IS 1570 (Part 6) 103T3?
EN ISO 4957 X155CrVMo12-1 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 X155CrVMo12-1.
Can EN ISO 4957 X155CrVMo12-1 be substituted with IS 1570 (Part 6) 103T3?
EN ISO 4957 X155CrVMo12-1 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.