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JIS G4805 SUJ2 vs IS 1570 (Part 6) 103T3

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

JIS G4805 SUJ2 (JIS G 4805:1999) and IS 1570 (Part 6) 103T3 (IS 1570 (Part 6):1996) are both steel grades. Both fall under the Tool & Die Steels category. JIS G4805 SUJ2 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 G4805 SUJ2 vs IS 1570 (Part 6) 103T3 is a 74.7% 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 G4805 SUJ2:
EN ISO 683-17 100Cr6 AISI 52100 GB/T 1299 4Cr5MoSiV1 GOST 5950 4H5MFS1 EN ISO 4957 1.2316 GOST 5950 3H2W8F GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 GB/T 1299 3Cr2W8V
Other Tool & Die Steels Grades to Compare With JIS G4805 SUJ2:
IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
74.7%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property JIS G4805 SUJ2 IS 1570 (Part 6) 103T3
Standard JIS G 4805:1999 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 0.95–1.10 0.95-1.10
Si (%) 0.15–0.35 0.10-0.30
Mn (%) ≤0.50 <=0.40
Cr (%) 1.30–1.60 <=0.20
S (%) ≤0.025 <=0.035
P (%) ≤0.025 <=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 G4805 SUJ2 IS 1570 (Part 6) 103T3
Tensile Strength ≥650 MPa (annealed) Not specified
Hardness HRC 60–64 (hardened) Not specified
Hardness HB 183–229 (annealed) Not specified
Typical Applications
JIS G4805 SUJ2
Ball bearings, roller bearings, bearing races, precision rolls
IS 1570 (Part 6) 103T3
Not documented
Key Differences
Can JIS G4805 SUJ2 Be Substituted With IS 1570 (Part 6) 103T3?
JIS G4805 SUJ2 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 G4805 SUJ2
Round Bar → (6 listings)
Diameter: 60–80 mm (2.36–3.15 in)
Length: 5000–6900 mm (196.85–271.65 in)
IS 1570 (Part 6) 103T3
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On M-EX Right Now
JIS G4805 SUJ2
6 active listings and RFQs →
IS 1570 (Part 6) 103T3
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Frequently Asked Questions
What is the difference between JIS G4805 SUJ2 and IS 1570 (Part 6) 103T3?
IS 1570 (Part 6) 103T3 specifies Cu, Ni which are not specified for JIS G4805 SUJ2.
Can JIS G4805 SUJ2 be substituted with IS 1570 (Part 6) 103T3?
JIS G4805 SUJ2 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.