GOST 5950 3H2W8F vs IS 3748 103T3

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

GOST 5950 3H2W8F (GOST 5950-2000) and IS 3748 103T3 (IS 3748:1990) are both steel grades. Both fall under the Tool & Die Steels category. GOST 5950 3H2W8F is typically used for used for forging dies, extrusion tools, hot punches, mandrels, and die inserts., while IS 3748 103T3 is commonly used for cold work tools and dies for blanking, trimming, chipping and shearing. IS 3748 103T3 is defined under Bureau of Indian Standards (IS) (India).

As per chemical composition, GOST 5950 3H2W8F vs IS 3748 103T3 is a 59.9% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With GOST 5950 3H2W8F:
GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS EN ISO 683-17 100Cr6 AISI 52100 IS 1570 (Part 6) 70T6 IS 1570 (Part 6) 133T3 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 70T3 IS 3748 70T3 IS 3748 80T3 IS 3748 50T8
Match Breakdown
CHEMISTRY MATCH
59.9%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property GOST 5950 3H2W8F IS 3748 103T3
Standard GOST 5950-2000 IS 3748:1990
Category Tool & Die Steels Tool & Die Steels
C (%) 0.3-0.4 0.95-1.10
Cr (%) 2.2-2.7 Not specified
W (%) 7.5-9.0 Not specified
V (%) 0.3-0.6 Not specified
Si (%) 0.2-0.5 0.10-0.30
Mn (%) Not specified <=0.40
S (%) Not specified <=0.035
P (%) Not specified <=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 GOST 5950 3H2W8F IS 3748 103T3
Tensile Strength 1400-1700 MPa Not specified
Yield Strength 1200 MPa min Not specified
Elongation 8% min Not specified
Hardness 45-50 HRC <=220 HB
Condition Not specified Annealed (maximum Brinell hardness)
Typical Applications
GOST 5950 3H2W8F
Used for forging dies, extrusion tools, hot punches, mandrels, and die inserts.
IS 3748 103T3
Cold work tools and dies for blanking, trimming, chipping and shearing
Key Differences
Can GOST 5950 3H2W8F Be Substituted With IS 3748 103T3?
GOST 5950 3H2W8F 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
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)
IS 3748 103T3
No active listings currently.
On M-EX Right Now
GOST 5950 3H2W8F
2 active listings and RFQs →
IS 3748 103T3
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between GOST 5950 3H2W8F and IS 3748 103T3?
GOST 5950 3H2W8F specifies Cr, W, V which are not specified for IS 3748 103T3. IS 3748 103T3 specifies Mn, S, P which are not specified for GOST 5950 3H2W8F.
Can GOST 5950 3H2W8F be substituted with IS 3748 103T3?
GOST 5950 3H2W8F 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.