Post Stock Login Register

KS D 3753 STS3 vs IS 3748 103T3

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

KS D 3753 STS3 (KS D 3753:2023) and IS 3748 103T3 (IS 3748:1990) are both steel grades. Both fall under the Tool & Die Steels category. KS D 3753 STS3 is typically used for used in chisels, punches, dies, shear tools, gauges, and hand tools., while IS 3748 103T3 is commonly used for cold work tools and dies for blanking, trimming, chipping and shearing. KS D 3753 STS3 is defined under Korean Industrial Standards (KS), originating from South Korea, while IS 3748 103T3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, KS D 3753 STS3 vs IS 3748 103T3 is a 68.2% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With KS D 3753 STS3:
DIN EN ISO 4957 1.2344 GB/T 1299 4Cr5MoSiV1 EN ISO 683-17 100Cr6 AISI 52100 GB/T 1299 4Cr5MoSiV DIN EN ISO 4957 1.2379 GOST 5950 4H5MFS1 EN ISO 4957 1.2316 GOST 5950 3H2W8F GB/T 1299 3Cr2W8V GOST 5950 4H5MFS IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
68.2%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property KS D 3753 STS3 IS 3748 103T3
Standard KS D 3753:2023 IS 3748:1990
Category Tool & Die Steels Tool & Die Steels
C (%) 0.80-0.90 0.95-1.10
Si (%) 0.15-0.35 0.10-0.30
Mn (%) 0.30-0.60 <=0.40
Cr (%) 0.50-1.00 Not specified
W (%) 0.50-1.00 Not specified
P (%) 0.030 max <=0.035
S (%) 0.030 max <=0.035
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property KS D 3753 STS3 IS 3748 103T3
Tensile Strength 880-1100 MPa Not specified
Yield Strength 700 MPa min Not specified
Elongation 10% min Not specified
Hardness 56-60 HRC <=220 HB
Condition Not specified Annealed (maximum Brinell hardness)
Typical Applications
KS D 3753 STS3
Used in chisels, punches, dies, shear tools, gauges, and hand tools.
IS 3748 103T3
Cold work tools and dies for blanking, trimming, chipping and shearing
Key Differences
Can KS D 3753 STS3 Be Substituted With IS 3748 103T3?
KS D 3753 STS3 and IS 3748 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
KS D 3753 STS3
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2500–2600 mm (98.43–102.36 in)
IS 3748 103T3
No active listings currently.
On M-EX Right Now
KS D 3753 STS3
2 active listings and RFQs →
IS 3748 103T3
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between KS D 3753 STS3 and IS 3748 103T3?
KS D 3753 STS3 specifies Cr, W which are not specified for IS 3748 103T3.
Can KS D 3753 STS3 be substituted with IS 3748 103T3?
KS D 3753 STS3 and IS 3748 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.