ASTM A681 H13 vs BS 4659 BH13

Strong Match — 93% match based on chemical composition and mechanical property overlap.

ASTM A681 H13 (ASTM A681:2008) and BS 4659 BH13 (BS 4659:1989) are both steel grades. Both fall under the Tool & Die Steels category. ASTM A681 H13 is typically used for die casting dies, extrusion dies, forging dies, hot stamping, while BS 4659 BH13 is commonly used for die casting dies, forging tools, extrusion dies. ASTM A681 H13 is defined under ASTM International, originating from United States, while BS 4659 BH13 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, ASTM A681 H13 vs BS 4659 BH13 is a 89.5% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 93%.

Frequently Compared With ASTM A681 H13:
GB/T 1299 4Cr5MoSiV GB/T 1299 4Cr5MoSiV1 DIN EN ISO 4957 1.2344 EN ISO 683-17 100Cr6 GOST 5950 4H5MFS GOST 5950 4H5MFS1 GOST 5950 3H2W8F GB/T 1299 3Cr2W8V EN ISO 4957 1.2316 DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 103T3 AISI 52100
Match Breakdown
CHEMISTRY MATCH
89.5%
MECHANICAL MATCH
100%
OVERALL
93%
Specifications
Property ASTM A681 H13 BS 4659 BH13
Standard ASTM A681:2008 BS 4659:1989
Category Tool & Die Steels Tool & Die Steels
C (%) 0.32-0.45 0.35–0.42
Mn (%) 0.20-0.60 0.30–0.50
P (%) <=0.030 Not specified
S (%) <=0.030 Not specified
Si (%) 0.80-1.25 0.80–1.20
Cr (%) 4.75-5.50 4.75–5.50
V (%) 0.80-1.20 0.80–1.20
Mo (%) 1.10-1.75 1.20–1.75
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A681 H13 BS 4659 BH13
Hardness <=235 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Hardness HRC (hardened) Not specified 42–54
Hardness HB (annealed) Not specified ≤235
Typical Applications
ASTM A681 H13
Die casting dies, extrusion dies, forging dies, hot stamping
BS 4659 BH13
Die casting dies, forging tools, extrusion dies
Key Differences
Can ASTM A681 H13 Be Substituted With BS 4659 BH13?
ASTM A681 H13 and BS 4659 BH13 overlap closely enough on chemistry and mechanical properties that BS 4659 BH13 is often considered as a substitute for ASTM A681 H13 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
ASTM A681 H13
Round Bar → (26 listings)
Diameter: 65–100 mm (2.56–3.94 in)
Length: 2500–6500 mm (98.43–255.91 in)
Flat Bar → (3 listings)
Thickness: 40–40 mm (1.57–1.57 in)
Width: 200–200 mm (7.87–7.87 in)
Length: 700–1600 mm (27.56–62.99 in)
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)
On M-EX Right Now
ASTM A681 H13
29 active listings and RFQs →
BS 4659 BH13
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A681 H13 and BS 4659 BH13?
ASTM A681 H13 specifies P, S which are not specified for BS 4659 BH13.
Can ASTM A681 H13 be substituted with BS 4659 BH13?
ASTM A681 H13 and BS 4659 BH13 overlap closely enough on chemistry and mechanical properties that BS 4659 BH13 is often considered as a substitute for ASTM A681 H13 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.