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KS D 3753 STS3 vs DIN EN ISO 4957 1.2379

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

KS D 3753 STS3 (KS D 3753:2023) and DIN EN ISO 4957 1.2379 (DIN EN ISO 4957:2018-11) 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 DIN EN ISO 4957 1.2379 is commonly used for blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies. KS D 3753 STS3 is defined under Korean Industrial Standards (KS), originating from South Korea, while DIN EN ISO 4957 1.2379 is defined under European Standard (EN), originating from Europe.

As per chemical composition, KS D 3753 STS3 vs DIN EN ISO 4957 1.2379 is a 57.4% 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 GOST 5950 4H5MFS1 EN ISO 4957 1.2316 GB/T 1299 3Cr2W8V GOST 5950 3H2W8F GOST 5950 4H5MFS IS 1570 (Part 6) 103T3 IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
57.4%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property KS D 3753 STS3 DIN EN ISO 4957 1.2379
Standard KS D 3753:2023 DIN EN ISO 4957:2018-11
Category Tool & Die Steels Tool & Die Steels
C (%) 0.80-0.90 1.50–1.60
Si (%) 0.15-0.35 0.10–0.40
Mn (%) 0.30-0.60 0.25–0.60
Cr (%) 0.50-1.00 11.00–13.00
W (%) 0.50-1.00 Not specified
P (%) 0.030 max ≤0.030
S (%) 0.030 max ≤0.030
Mo (%) Not specified 0.70–1.00
V (%) Not specified 0.80–1.10
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 DIN EN ISO 4957 1.2379
Tensile Strength 880-1100 MPa Not specified
Yield Strength 700 MPa min Not specified
Elongation 10% min Not specified
Hardness 56-60 HRC Not specified
Hardness (annealed) Not specified ≤255 HB
Hardness (hardened) Not specified 58–62 HRC
Compressive Strength Not specified 2600 MPa
Typical Applications
KS D 3753 STS3
Used in chisels, punches, dies, shear tools, gauges, and hand tools.
DIN EN ISO 4957 1.2379
Blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies
Key Differences
Can KS D 3753 STS3 Be Substituted With DIN EN ISO 4957 1.2379?
KS D 3753 STS3 and DIN EN ISO 4957 1.2379 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)
DIN EN ISO 4957 1.2379
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2800–3300 mm (110.24–129.92 in)
On M-EX Right Now
KS D 3753 STS3
2 active listings and RFQs →
DIN EN ISO 4957 1.2379
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between KS D 3753 STS3 and DIN EN ISO 4957 1.2379?
KS D 3753 STS3 specifies W which is not specified for DIN EN ISO 4957 1.2379. DIN EN ISO 4957 1.2379 specifies Mo, V which are not specified for KS D 3753 STS3.
Can KS D 3753 STS3 be substituted with DIN EN ISO 4957 1.2379?
KS D 3753 STS3 and DIN EN ISO 4957 1.2379 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.