EN ISO 4957 X38CrMoV5-1 vs ASTM A681 H11

Strong Match — 97.3% match based on chemical composition and mechanical property overlap.

EN ISO 4957 X38CrMoV5-1 (EN ISO 4957:2018) and ASTM A681 H11 (ASTM A681:2008) are both steel grades. Both fall under the Tool & Die Steels category. EN ISO 4957 X38CrMoV5-1 is typically used for die casting dies, extrusion tooling, forging dies, while ASTM A681 H11 is commonly used for die casting dies, extrusion tooling, forging dies. EN ISO 4957 X38CrMoV5-1 is defined under European Standard (EN), originating from Europe, while ASTM A681 H11 is defined under ASTM International, originating from United States.

As per chemical composition, EN ISO 4957 X38CrMoV5-1 vs ASTM A681 H11 is a 95.9% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 97.3%.

Frequently Compared With EN ISO 4957 X38CrMoV5-1:
GB/T 1299 4Cr5MoSiV1 GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2344 EN ISO 4957 1.2316 EN ISO 683-17 100Cr6 GOST 5950 3H2W8F GB/T 1299 3Cr2W8V DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 118T3
Match Breakdown
CHEMISTRY MATCH
95.9%
MECHANICAL MATCH
100%
OVERALL
97.3%
Specifications
Property EN ISO 4957 X38CrMoV5-1 ASTM A681 H11
Standard EN ISO 4957:2018 ASTM A681:2008
Category Tool & Die Steels Tool & Die Steels
C (%) 0.33–0.43 0.33-0.43
Si (%) 0.80–1.20 0.80-1.25
Mn (%) 0.20–0.50 0.20-0.60
Cr (%) 4.75–5.50 4.75-5.50
Mo (%) 1.10–1.60 1.10-1.60
V (%) 0.30–0.60 0.30-0.60
P (%) Not specified <=0.030
S (%) Not specified <=0.030
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN ISO 4957 X38CrMoV5-1 ASTM A681 H11
Hardness HRC (hardened) 40–54 Not specified
Hardness HB (annealed) ≤235 Not specified
Hot Strength Excellent to 600°C Not specified
Hardness Not specified <=235 HB
Condition Not specified Annealed (maximum Brinell hardness)
Typical Applications
EN ISO 4957 X38CrMoV5-1
Die casting dies, extrusion tooling, forging dies
ASTM A681 H11
Die casting dies, extrusion tooling, forging dies
Key Differences
Can EN ISO 4957 X38CrMoV5-1 Be Substituted With ASTM A681 H11?
EN ISO 4957 X38CrMoV5-1 and ASTM A681 H11 overlap closely enough on chemistry and mechanical properties that ASTM A681 H11 is often considered as a substitute for EN ISO 4957 X38CrMoV5-1 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
EN ISO 4957 X38CrMoV5-1
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2500–3500 mm (98.43–137.8 in)
ASTM A681 H11
Flat Bar → (3 listings)
Thickness: 40–40 mm (1.57–1.57 in)
Width: 180–180 mm (7.09–7.09 in)
Length: 2500–4000 mm (98.43–157.48 in)
On M-EX Right Now
EN ISO 4957 X38CrMoV5-1
2 active listings and RFQs →
ASTM A681 H11
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN ISO 4957 X38CrMoV5-1 and ASTM A681 H11?
ASTM A681 H11 specifies P, S which are not specified for EN ISO 4957 X38CrMoV5-1.
Can EN ISO 4957 X38CrMoV5-1 be substituted with ASTM A681 H11?
EN ISO 4957 X38CrMoV5-1 and ASTM A681 H11 overlap closely enough on chemistry and mechanical properties that ASTM A681 H11 is often considered as a substitute for EN ISO 4957 X38CrMoV5-1 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.