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IS 1570 (Part 6) XT35Cr5MoV1 vs GOST 5950 4H5MFS

Close Alternative — 80.1% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 6) XT35Cr5MoV1 (IS 1570 (Part 6):1996) and GOST 5950 4H5MFS (GOST 5950-2000) 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) (India).

As per chemical composition, IS 1570 (Part 6) XT35Cr5MoV1 vs GOST 5950 4H5MFS is a 80.1% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 80.1%.

Frequently Compared With IS 1570 (Part 6) XT35Cr5MoV1:
GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2344 IS 1570 (Part 6) 118T3 GB/T 1299 4Cr5MoSiV1 EN ISO 4957 1.2316 IS 1570 (Part 6) 103T3 GOST 5950 3H2W8F GB/T 1299 4Cr5MoSiV DIN EN ISO 4957 1.2379 GB/T 1299 3Cr2W8V EN ISO 683-17 100Cr6 IS 1570 (Part 6) 133T3
Match Breakdown
CHEMISTRY MATCH
80.1%
MECHANICAL MATCH
No shared data
OVERALL
80.1%
Specifications
Property IS 1570 (Part 6) XT35Cr5MoV1 GOST 5950 4H5MFS
Standard IS 1570 (Part 6):1996 GOST 5950-2000
Category Tool & Die Steels Tool & Die Steels
C (%) 0.30-0.40 0.35-0.45
Si (%) 0.80-1.20 0.8-1.2
Mn (%) 0.25-0.50 Not specified
Cr (%) 4.75-5.50 4.5-5.5
Mo (%) 1.20-1.60 1.2-1.6
V (%) 1.00-1.20 0.3-0.6
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 GOST 5950 4H5MFS
Tensile Strength Not specified 1350-1650 MPa
Yield Strength Not specified 1150 MPa min
Elongation Not specified 9% min
Hardness Not specified 44-50 HRC
Typical Applications
IS 1570 (Part 6) XT35Cr5MoV1
Not documented
GOST 5950 4H5MFS
Used for die casting dies, forging tools, extrusion dies, punches, and hot shear blades.
Key Differences
Can IS 1570 (Part 6) XT35Cr5MoV1 Be Substituted With GOST 5950 4H5MFS?
IS 1570 (Part 6) XT35Cr5MoV1 and GOST 5950 4H5MFS are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
IS 1570 (Part 6) XT35Cr5MoV1
No active listings currently.
GOST 5950 4H5MFS
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2500–2700 mm (98.43–106.3 in)
On M-EX Right Now
IS 1570 (Part 6) XT35Cr5MoV1
0 active listings and RFQs →
GOST 5950 4H5MFS
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 6) XT35Cr5MoV1 and GOST 5950 4H5MFS?
IS 1570 (Part 6) XT35Cr5MoV1 specifies Mn, P, S which are not specified for GOST 5950 4H5MFS.
Can IS 1570 (Part 6) XT35Cr5MoV1 be substituted with GOST 5950 4H5MFS?
IS 1570 (Part 6) XT35Cr5MoV1 and GOST 5950 4H5MFS are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.