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IS 1570 (Part 6) T140W15Cr2 vs KS D 3753 STS3

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 6) T140W15Cr2 (IS 1570 (Part 6):1996) and KS D 3753 STS3 (KS D 3753:2023) are both steel grades. Both fall under the Tool & Die Steels category. IS 1570 (Part 6) T140W15Cr2 is defined under Bureau of Indian Standards (IS), originating from India, while KS D 3753 STS3 is defined under Korean Industrial Standards (KS), originating from South Korea.

As per chemical composition, IS 1570 (Part 6) T140W15Cr2 vs KS D 3753 STS3 is a 73.8% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With IS 1570 (Part 6) T140W15Cr2:
GOST 5950 3H2W8F EN ISO 4957 1.2316 EN ISO 683-17 100Cr6 GB/T 1299 4Cr5MoSiV GB/T 1299 4Cr5MoSiV1 DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 118T3 GB/T 1299 3Cr2W8V DIN EN ISO 4957 1.2344 IS 1570 (Part 6) 133T3 GOST 5950 4H5MFS
Match Breakdown
CHEMISTRY MATCH
73.8%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 1570 (Part 6) T140W15Cr2 KS D 3753 STS3
Standard IS 1570 (Part 6):1996 KS D 3753:2023
Category Tool & Die Steels Tool & Die Steels
C (%) 1.30-1.50 0.80-0.90
Si (%) 0.10-0.35 0.15-0.35
Mn (%) 0.25-0.50 0.30-0.60
Cr (%) 0.30-0.70 0.50-1.00
W (%) 3.50-4.20 0.50-1.00
P (%) <=0.035 0.030 max
S (%) <=0.035 0.030 max
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) T140W15Cr2 KS D 3753 STS3
Tensile Strength Not specified 880-1100 MPa
Yield Strength Not specified 700 MPa min
Elongation Not specified 10% min
Hardness Not specified 56-60 HRC
Typical Applications
IS 1570 (Part 6) T140W15Cr2
Not documented
KS D 3753 STS3
Used in chisels, punches, dies, shear tools, gauges, and hand tools.
Can IS 1570 (Part 6) T140W15Cr2 Be Substituted With KS D 3753 STS3?
IS 1570 (Part 6) T140W15Cr2 and KS D 3753 STS3 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
IS 1570 (Part 6) T140W15Cr2
No active listings currently.
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)
On M-EX Right Now
IS 1570 (Part 6) T140W15Cr2
0 active listings and RFQs →
KS D 3753 STS3
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 6) T140W15Cr2 and KS D 3753 STS3?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 1570 (Part 6) T140W15Cr2 be substituted with KS D 3753 STS3?
IS 1570 (Part 6) T140W15Cr2 and KS D 3753 STS3 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.