Post Stock Login Register

BS 4659 BH11 vs IS 1570 (Part 6) 118T3

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

BS 4659 BH11 (BS 4659:1989) and IS 1570 (Part 6) 118T3 (IS 1570 (Part 6):1996) are both steel grades. Both fall under the Tool & Die Steels category. BS 4659 BH11 is defined under British Standards (BS), originating from United Kingdom, while IS 1570 (Part 6) 118T3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 4659 BH11 vs IS 1570 (Part 6) 118T3 is a 51.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With BS 4659 BH11:
GOST 5950 4H5MFS1 GB/T 1299 4Cr5MoSiV DIN EN ISO 4957 1.2344 GB/T 1299 4Cr5MoSiV1 GOST 5950 4H5MFS GOST 5950 3H2W8F EN ISO 4957 1.2316 DIN EN ISO 4957 1.2379 GB/T 1299 3Cr2W8V AISI 52100 EN ISO 683-17 100Cr6 IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
51.4%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property BS 4659 BH11 IS 1570 (Part 6) 118T3
Standard BS 4659:1989 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 0.33–0.43 1.10-1.25
Si (%) 0.80–1.20 0.10-0.30
Mn (%) 0.20–0.50 <=0.40
Cr (%) 4.75–5.50 <=0.20
Mo (%) 1.10–1.60 Not specified
V (%) 0.30–0.60 Not specified
P (%) Not specified <=0.035
S (%) Not specified <=0.035
Cu (%) Not specified <=0.25
Ni (%) Not specified <=0.25
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 BH11 IS 1570 (Part 6) 118T3
Hardness HRC (hardened) 40–54 Not specified
Hardness HB (annealed) ≤235 Not specified
Typical Applications
BS 4659 BH11
Die casting dies, extrusion tooling
IS 1570 (Part 6) 118T3
Not documented
Key Differences
Can BS 4659 BH11 Be Substituted With IS 1570 (Part 6) 118T3?
BS 4659 BH11 and IS 1570 (Part 6) 118T3 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 BH11
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3500–3500 mm (137.8–137.8 in)
IS 1570 (Part 6) 118T3
No active listings currently.
On M-EX Right Now
BS 4659 BH11
2 active listings and RFQs →
IS 1570 (Part 6) 118T3
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 4659 BH11 and IS 1570 (Part 6) 118T3?
BS 4659 BH11 specifies Mo, V which are not specified for IS 1570 (Part 6) 118T3. IS 1570 (Part 6) 118T3 specifies P, S, Cu, Ni which are not specified for BS 4659 BH11.
Can BS 4659 BH11 be substituted with IS 1570 (Part 6) 118T3?
BS 4659 BH11 and IS 1570 (Part 6) 118T3 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.