Strong Match — 90.7% match
based on chemical composition and mechanical property overlap.
SS 14 22 58 2258 and NF A35-552 34NCD6 (NF A35-552:1986) are both steel grades.
Both fall under the Alloy Steel category.
SS 14 22 58 2258 is typically used for heavy duty shafts,gears,aircraft components,crankshafts,forgings,highly stressed bolts, while NF A35-552 34NCD6 is commonly used for used for aircraft parts, transmission shafts, gears, crankshafts, connecting rods, and heavy-duty fasteners..
SS 14 22 58 2258 is defined under Swedish Standards (SS), originating from Sweden, while NF A35-552 34NCD6 is defined under Association Francaise de Normalisation (NF), originating from France.
As per chemical composition, SS 14 22 58 2258 vs NF A35-552 34NCD6 is a 97% match.
As per mechanical properties, the match is 78.1%.
Combined, this makes them a strong match overall at 90.7%.
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 22 58 2258
NF A35-552 34NCD6
Tensile Strength
900-1100 MPa
900-1100 MPa
Yield Strength
700-900 MPa
700-850 MPa
Elongation
11-14 %
10-14%
Hardness
260-320 HB
270-340 HB
Typical Applications
SS 14 22 58 2258
heavy duty shafts,gears,aircraft components,crankshafts,forgings,highly stressed bolts
NF A35-552 34NCD6
Used for aircraft parts, transmission shafts, gears, crankshafts, connecting rods, and heavy-duty fasteners.
Can SS 14 22 58 2258 Be Substituted With NF A35-552 34NCD6?
SS 14 22 58 2258 and NF A35-552 34NCD6 overlap closely enough on chemistry and mechanical properties that NF A35-552 34NCD6 is often considered as a substitute for SS 14 22 58 2258 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 SS 14 22 58 2258 and NF A35-552 34NCD6?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can SS 14 22 58 2258 be substituted with NF A35-552 34NCD6?
SS 14 22 58 2258 and NF A35-552 34NCD6 overlap closely enough on chemistry and mechanical properties that NF A35-552 34NCD6 is often considered as a substitute for SS 14 22 58 2258 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.