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JIS G4404 SKD61 vs IS 1570 (Part 6) 103T3

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

JIS G4404 SKD61 (JIS G4404:2006) and IS 1570 (Part 6) 103T3 (IS 1570 (Part 6):1996) are both steel grades. Both fall under the Tool & Die Steels category. JIS G4404 SKD61 is defined under Japanese Industrial Standards (JIS), originating from Japan, while IS 1570 (Part 6) 103T3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, JIS G4404 SKD61 vs IS 1570 (Part 6) 103T3 is a 50.8% 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 JIS G4404 SKD61:
DIN EN ISO 4957 1.2344 EN ISO 683-17 100Cr6 GB/T 1299 4Cr5MoSiV1 EN ISO 4957 1.2316 GOST 5950 4H5MFS AISI 52100 GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2379 GOST 5950 3H2W8F IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
50.8%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property JIS G4404 SKD61 IS 1570 (Part 6) 103T3
Standard JIS G4404:2006 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 0.32-0.42 0.95-1.10
Si (%) 0.80-1.20 0.10-0.30
Mn (%) 0.25-0.50 <=0.40
Cr (%) 4.50-5.50 <=0.20
Mo (%) 1.00-1.50 Not specified
V (%) 0.80-1.20 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 JIS G4404 SKD61 IS 1570 (Part 6) 103T3
Hardness HRC (hardened) 44-54 Not specified
Hardness HB (annealed) <=229 Not specified
Typical Applications
JIS G4404 SKD61
Die casting dies, extrusion tooling, forging tools
IS 1570 (Part 6) 103T3
Not documented
Key Differences
Can JIS G4404 SKD61 Be Substituted With IS 1570 (Part 6) 103T3?
JIS G4404 SKD61 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
JIS G4404 SKD61
Round Bar → (3 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2500–4200 mm (98.43–165.35 in)
IS 1570 (Part 6) 103T3
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On M-EX Right Now
JIS G4404 SKD61
3 active listings and RFQs →
IS 1570 (Part 6) 103T3
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Frequently Asked Questions
What is the difference between JIS G4404 SKD61 and IS 1570 (Part 6) 103T3?
JIS G4404 SKD61 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 JIS G4404 SKD61.
Can JIS G4404 SKD61 be substituted with IS 1570 (Part 6) 103T3?
JIS G4404 SKD61 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.