Related Material — 69.9% match
based on chemical composition and mechanical property overlap.
ASTM A681 H43 (ASTM A681:2008) and ASTM A681 H11 (ASTM A681:2008) are both steel grades.
Both fall under the Tool & Die Steels category.
ASTM A681 H43 is typically used for tools, dies and fixtures (clause 1.2), while ASTM A681 H11 is commonly used for die casting dies, extrusion tooling, forging dies.
ASTM A681 H43 is defined under ASTM International, originating from United States, while ASTM A681 H11 is defined under ASTM International, originating from United States.
As per chemical composition, ASTM A681 H43 vs ASTM A681 H11 is a 61.9% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a related material overall at 69.9%.
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 H43
ASTM A681 H11
Hardness
<=235 HB
<=235 HB
Condition
Annealed (maximum Brinell hardness)
Annealed (maximum Brinell hardness)
Typical Applications
ASTM A681 H43
Tools, dies and fixtures (clause 1.2)
ASTM A681 H11
Die casting dies, extrusion tooling, forging dies
Can ASTM A681 H43 Be Substituted With ASTM A681 H11?
ASTM A681 H43 and ASTM A681 H11 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.
What is the difference between ASTM A681 H43 and ASTM A681 H11?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A681 H43 be substituted with ASTM A681 H11?
ASTM A681 H43 and ASTM A681 H11 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.