Minimal Match — 54.1% match
based on chemical composition and mechanical property overlap.
DIN 17222 C80 (DIN 17222:1979-08) and BS 970 (Part 1) 045A10 (BS 970 (Part 1):1991) are both steel grades.
Both fall under the Carbon Steel category.
DIN 17222 C80 is typically used for springs, music wire, high strength wire, cutting tools, while BS 970 (Part 1) 045A10 is commonly used for case hardening steel (section four).
DIN 17222 C80 is defined under Deutsches Institut fur Normung (DIN), originating from Germany, while BS 970 (Part 1) 045A10 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, DIN 17222 C80 vs BS 970 (Part 1) 045A10 is a 81.1% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 54.1%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
DIN 17222 C80
BS 970 (Part 1) 045A10
Tensile Strength
900–1100 MPa (annealed)
430 MPa min
Hardness HRC
60–65 (hardened)
Not specified
Condition
Not specified
Case hardened, 19 mm test bar
Elongation
Not specified
18 % min
Typical Applications
DIN 17222 C80
Springs, music wire, high strength wire, cutting tools
BS 970 (Part 1) 045A10
Case hardening steel (section four)
Key Differences
DIN 17222 C80 specifies Si, S, P which are not specified for BS 970 (Part 1) 045A10.
Can DIN 17222 C80 Be Substituted With BS 970 (Part 1) 045A10?
DIN 17222 C80 and BS 970 (Part 1) 045A10 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 DIN 17222 C80 and BS 970 (Part 1) 045A10?
DIN 17222 C80 specifies Si, S, P which are not specified for BS 970 (Part 1) 045A10.
Can DIN 17222 C80 be substituted with BS 970 (Part 1) 045A10?
DIN 17222 C80 and BS 970 (Part 1) 045A10 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.