Close Alternative — 81.8% match
based on chemical composition and mechanical property overlap.
ASTM A681 H22 (ASTM A681:2008) and ASTM A681 H25 (ASTM A681:2008) are both steel grades.
Both fall under the Tool & Die Steels category.
ASTM A681 H22 is typically used for tools, dies and fixtures (clause 1.2), while ASTM A681 H25 is commonly used for tools, dies and fixtures (clause 1.2).
ASTM A681 H22 is defined under ASTM International, originating from United States, while ASTM A681 H25 is defined under ASTM International, originating from United States.
As per chemical composition, ASTM A681 H22 vs ASTM A681 H25 is a 72.7% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a close alternative overall at 81.8%.
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 H22
ASTM A681 H25
Hardness
<=235 HB
<=235 HB
Condition
Annealed (maximum Brinell hardness)
Annealed (maximum Brinell hardness)
Typical Applications
ASTM A681 H22
Tools, dies and fixtures (clause 1.2)
ASTM A681 H25
Tools, dies and fixtures (clause 1.2)
Can ASTM A681 H22 Be Substituted With ASTM A681 H25?
ASTM A681 H22 and ASTM A681 H25 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
What is the difference between ASTM A681 H22 and ASTM A681 H25?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A681 H22 be substituted with ASTM A681 H25?
ASTM A681 H22 and ASTM A681 H25 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.