Strong Match — 92.3% match
based on chemical composition and mechanical property overlap.
IS 3748 XT35Cr5MoW1V3 (IS 3748:1990) and ASTM A681 H12 (ASTM A681:2008) are both steel grades.
Both fall under the Tool & Die Steels category.
IS 3748 XT35Cr5MoW1V3 is typically used for hot work tools and dies, such as die-casting dies and hot headers, while ASTM A681 H12 is commonly used for tools, dies and fixtures (clause 1.2).
IS 3748 XT35Cr5MoW1V3 is defined under Bureau of Indian Standards (IS), originating from India, while ASTM A681 H12 is defined under ASTM International, originating from United States.
As per chemical composition, IS 3748 XT35Cr5MoW1V3 vs ASTM A681 H12 is a 88.4% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a strong match overall at 92.3%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 3748 XT35Cr5MoW1V3
ASTM A681 H12
Hardness
<=235 HB
<=235 HB
Condition
Annealed (maximum Brinell hardness)
Annealed (maximum Brinell hardness)
Typical Applications
IS 3748 XT35Cr5MoW1V3
Hot work tools and dies, such as die-casting dies and hot headers
ASTM A681 H12
Tools, dies and fixtures (clause 1.2)
Can IS 3748 XT35Cr5MoW1V3 Be Substituted With ASTM A681 H12?
IS 3748 XT35Cr5MoW1V3 and ASTM A681 H12 overlap closely enough on chemistry and mechanical properties that ASTM A681 H12 is often considered as a substitute for IS 3748 XT35Cr5MoW1V3 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
What is the difference between IS 3748 XT35Cr5MoW1V3 and ASTM A681 H12?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 3748 XT35Cr5MoW1V3 be substituted with ASTM A681 H12?
IS 3748 XT35Cr5MoW1V3 and ASTM A681 H12 overlap closely enough on chemistry and mechanical properties that ASTM A681 H12 is often considered as a substitute for IS 3748 XT35Cr5MoW1V3 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.