Post Stock Login Register

KS D 3753 STS3 vs GOST 5950 3H2W8F

Minimal Match — 39.7% match based on chemical composition and mechanical property overlap.

KS D 3753 STS3 (KS D 3753:2023) and GOST 5950 3H2W8F (GOST 5950-2000) 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 GOST 5950 3H2W8F is commonly used for used for forging dies, extrusion tools, hot punches, mandrels, and die inserts.. KS D 3753 STS3 is defined under Korean Industrial Standards (KS) (South Korea).

As per chemical composition, KS D 3753 STS3 vs GOST 5950 3H2W8F is a 59.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 39.7%.

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 GB/T 1299 3Cr2W8V GOST 5950 4H5MFS IS 1570 (Part 6) 103T3
Other Tool & Die Steels Grades to Compare With KS D 3753 STS3:
IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
59.6%
MECHANICAL MATCH
0%
OVERALL
39.7%
Specifications
Property KS D 3753 STS3 GOST 5950 3H2W8F
Standard KS D 3753:2023 GOST 5950-2000
Category Tool & Die Steels Tool & Die Steels
C (%) 0.80-0.90 0.3-0.4
Si (%) 0.15-0.35 0.2-0.5
Mn (%) 0.30-0.60 Not specified
Cr (%) 0.50-1.00 2.2-2.7
W (%) 0.50-1.00 7.5-9.0
P (%) 0.030 max Not specified
S (%) 0.030 max Not specified
V (%) Not specified 0.3-0.6
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 GOST 5950 3H2W8F
Tensile Strength 880-1100 MPa 1400-1700 MPa
Yield Strength 700 MPa min 1200 MPa min
Elongation 10% min 8% min
Hardness 56-60 HRC 45-50 HRC
Typical Applications
KS D 3753 STS3
Used in chisels, punches, dies, shear tools, gauges, and hand tools.
GOST 5950 3H2W8F
Used for forging dies, extrusion tools, hot punches, mandrels, and die inserts.
Key Differences
Can KS D 3753 STS3 Be Substituted With GOST 5950 3H2W8F?
KS D 3753 STS3 and GOST 5950 3H2W8F 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)
GOST 5950 3H2W8F
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2800–4300 mm (110.24–169.29 in)
On M-EX Right Now
KS D 3753 STS3
2 active listings and RFQs →
GOST 5950 3H2W8F
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between KS D 3753 STS3 and GOST 5950 3H2W8F?
KS D 3753 STS3 specifies Mn, P, S which are not specified for GOST 5950 3H2W8F. GOST 5950 3H2W8F specifies V which is not specified for KS D 3753 STS3.
Can KS D 3753 STS3 be substituted with GOST 5950 3H2W8F?
KS D 3753 STS3 and GOST 5950 3H2W8F 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.