Related Material — 57% match
based on chemical composition and mechanical property overlap.
ASTM A681 H11 (ASTM A681:2008) and GOST 5950 4H5MFS1 (GOST 5950-2000) are both steel grades.
Both fall under the Tool & Die Steels category.
ASTM A681 H11 is typically used for die casting dies, extrusion tooling, forging dies, while GOST 5950 4H5MFS1 is commonly used for used for forging dies, pressure casting dies, hot punches, extrusion tooling, and die inserts..
ASTM A681 H11 is defined under ASTM International (United States).
As per chemical composition, ASTM A681 H11 vs GOST 5950 4H5MFS1 is a 85.5% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a related material overall at 57%.
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 H11
GOST 5950 4H5MFS1
Hardness
<=235 HB
44-50 HRC
Condition
Annealed (maximum Brinell hardness)
Not specified
Tensile Strength
Not specified
1350-1650 MPa
Yield Strength
Not specified
1150 MPa min
Elongation
Not specified
9% min
Typical Applications
ASTM A681 H11
Die casting dies, extrusion tooling, forging dies
GOST 5950 4H5MFS1
Used for forging dies, pressure casting dies, hot punches, extrusion tooling, and die inserts.
Key Differences
ASTM A681 H11 specifies Mn, P, S which are not specified for GOST 5950 4H5MFS1.
Can ASTM A681 H11 Be Substituted With GOST 5950 4H5MFS1?
ASTM A681 H11 and GOST 5950 4H5MFS1 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 H11 and GOST 5950 4H5MFS1?
ASTM A681 H11 specifies Mn, P, S which are not specified for GOST 5950 4H5MFS1.
Can ASTM A681 H11 be substituted with GOST 5950 4H5MFS1?
ASTM A681 H11 and GOST 5950 4H5MFS1 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.