Related Material — 69.9% match
based on chemical composition and mechanical property overlap.
SS 14 21 72 2172 and BS 970 (Part 1) 040A04 (BS 970 (Part 1):1991) are both steel grades.
Both fall under the Carbon Steel category.
SS 14 21 72 2172 is typically used for shafts,axles,gears,studs,bolts,general engineering components,machine parts, while BS 970 (Part 1) 040A04 is commonly used for as-rolled, or as-rolled and softened, steel (section two).
SS 14 21 72 2172 is defined under Swedish Standards (SS), originating from Sweden, while BS 970 (Part 1) 040A04 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, SS 14 21 72 2172 vs BS 970 (Part 1) 040A04 is a 78.3% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
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
SS 14 21 72 2172
BS 970 (Part 1) 040A04
Tensile Strength
620-800 MPa
Not specified
Yield Strength
340-490 MPa
Not specified
Elongation
14-20 %
Not specified
Hardness
179-235 HB
Not specified
Typical Applications
SS 14 21 72 2172
shafts,axles,gears,studs,bolts,general engineering components,machine parts
BS 970 (Part 1) 040A04
As-rolled, or as-rolled and softened, steel (section two)
Key Differences
SS 14 21 72 2172 specifies Si, P, S which are not specified for BS 970 (Part 1) 040A04.
Can SS 14 21 72 2172 Be Substituted With BS 970 (Part 1) 040A04?
SS 14 21 72 2172 and BS 970 (Part 1) 040A04 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 SS 14 21 72 2172 and BS 970 (Part 1) 040A04?
SS 14 21 72 2172 specifies Si, P, S which are not specified for BS 970 (Part 1) 040A04.
Can SS 14 21 72 2172 be substituted with BS 970 (Part 1) 040A04?
SS 14 21 72 2172 and BS 970 (Part 1) 040A04 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.