Strong Match — 88.6% match
based on chemical composition and mechanical property overlap.
NF A35-552 XC55 (NF A35-552:1986) and BS 970 (Part 1) 060A57 (BS 970 (Part 1):1983) are both steel grades.
Both fall under the Carbon Steel category.
NF A35-552 XC55 is typically used for used for springs, shafts, hand tools, wear plates, blades, and machine components., while BS 970 (Part 1) 060A57 is commonly used for through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of table 6..
NF A35-552 XC55 is defined under Association Francaise de Normalisation (NF), originating from France, while BS 970 (Part 1) 060A57 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, NF A35-552 XC55 vs BS 970 (Part 1) 060A57 is a 88.6% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a strong match overall at 88.6%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
NF A35-552 XC55
BS 970 (Part 1) 060A57
Tensile Strength
750-900 MPa
Not specified
Yield Strength
450-600 MPa
Not specified
Elongation
12-18%
Not specified
Hardness
210-270 HB
Not specified
Typical Applications
NF A35-552 XC55
Used for springs, shafts, hand tools, wear plates, blades, and machine components.
BS 970 (Part 1) 060A57
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Key Differences
NF A35-552 XC55 specifies Si which is not specified for BS 970 (Part 1) 060A57.
Can NF A35-552 XC55 Be Substituted With BS 970 (Part 1) 060A57?
NF A35-552 XC55 and BS 970 (Part 1) 060A57 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 060A57 is often considered as a substitute for NF A35-552 XC55 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 NF A35-552 XC55 and BS 970 (Part 1) 060A57?
NF A35-552 XC55 specifies Si which is not specified for BS 970 (Part 1) 060A57.
Can NF A35-552 XC55 be substituted with BS 970 (Part 1) 060A57?
NF A35-552 XC55 and BS 970 (Part 1) 060A57 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 060A57 is often considered as a substitute for NF A35-552 XC55 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.