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BS 4659 BH13 vs GOST 5950 4H5MFS

Related Material — 55% match based on chemical composition and mechanical property overlap.

BS 4659 BH13 (BS 4659:1989) and GOST 5950 4H5MFS (GOST 5950-2000) are both steel grades. Both fall under the Tool & Die Steels category. BS 4659 BH13 is typically used for die casting dies, forging tools, extrusion dies, while GOST 5950 4H5MFS is commonly used for used for die casting dies, forging tools, extrusion dies, punches, and hot shear blades.. BS 4659 BH13 is defined under British Standards (BS) (United Kingdom).

As per chemical composition, BS 4659 BH13 vs GOST 5950 4H5MFS is a 82.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 55%.

Frequently Compared With BS 4659 BH13:
EN ISO 4957 1.2316 GOST 5950 4H5MFS1 EN ISO 683-17 100Cr6 GB/T 1299 3Cr2W8V DIN EN ISO 4957 1.2344 GB/T 1299 4Cr5MoSiV GB/T 1299 4Cr5MoSiV1 DIN EN ISO 4957 1.2379 GOST 5950 3H2W8F AISI 52100 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 118T3
Match Breakdown
CHEMISTRY MATCH
82.5%
MECHANICAL MATCH
0%
OVERALL
55%
Specifications
Property BS 4659 BH13 GOST 5950 4H5MFS
Standard BS 4659:1989 GOST 5950-2000
Category Tool & Die Steels Tool & Die Steels
C (%) 0.35–0.42 0.35-0.45
Si (%) 0.80–1.20 0.8-1.2
Mn (%) 0.30–0.50 Not specified
Cr (%) 4.75–5.50 4.5-5.5
Mo (%) 1.20–1.75 1.2-1.6
V (%) 0.80–1.20 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 BS 4659 BH13 GOST 5950 4H5MFS
Hardness HRC (hardened) 42–54 Not specified
Hardness HB (annealed) ≤235 Not specified
Tensile Strength Not specified 1350-1650 MPa
Yield Strength Not specified 1150 MPa min
Elongation Not specified 9% min
Hardness Not specified 44-50 HRC
Typical Applications
BS 4659 BH13
Die casting dies, forging tools, extrusion dies
GOST 5950 4H5MFS
Used for die casting dies, forging tools, extrusion dies, punches, and hot shear blades.
Key Differences
Can BS 4659 BH13 Be Substituted With GOST 5950 4H5MFS?
BS 4659 BH13 and GOST 5950 4H5MFS 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
BS 4659 BH13
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2800–3800 mm (110.24–149.61 in)
GOST 5950 4H5MFS
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2500–2700 mm (98.43–106.3 in)
On M-EX Right Now
BS 4659 BH13
2 active listings and RFQs →
GOST 5950 4H5MFS
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 4659 BH13 and GOST 5950 4H5MFS?
BS 4659 BH13 specifies Mn which is not specified for GOST 5950 4H5MFS.
Can BS 4659 BH13 be substituted with GOST 5950 4H5MFS?
BS 4659 BH13 and GOST 5950 4H5MFS 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.