Minimal Match — 53% match
based on chemical composition and mechanical property overlap.
DIN 17210 20Mn5 (DIN 17210:1986) and BS 970 (Part 1) 045A10 (BS 970 (Part 1):1991) are both steel grades.
Both fall under the Carbon Steel category.
DIN 17210 20Mn5 is typically used for unalloyed manganese carbon steel for quenching and tempering; machine components requiring moderate strength and hardenability, while BS 970 (Part 1) 045A10 is commonly used for case hardening steel (section four).
DIN 17210 20Mn5 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 17210 20Mn5 vs BS 970 (Part 1) 045A10 is a 79.6% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 53%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
DIN 17210 20Mn5
BS 970 (Part 1) 045A10
Tensile Strength
490-690 MPa
430 MPa min
Yield Strength
295 MPa min
Not specified
Elongation
20% min
18 % min
Hardness
143-201 HB
Not specified
Condition
Not specified
Case hardened, 19 mm test bar
Typical Applications
DIN 17210 20Mn5
Unalloyed manganese carbon steel for quenching and tempering; machine components requiring moderate strength and hardenability
BS 970 (Part 1) 045A10
Case hardening steel (section four)
Key Differences
DIN 17210 20Mn5 specifies Si, P, S which are not specified for BS 970 (Part 1) 045A10.
Can DIN 17210 20Mn5 Be Substituted With BS 970 (Part 1) 045A10?
DIN 17210 20Mn5 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 17210 20Mn5 and BS 970 (Part 1) 045A10?
DIN 17210 20Mn5 specifies Si, P, S which are not specified for BS 970 (Part 1) 045A10.
Can DIN 17210 20Mn5 be substituted with BS 970 (Part 1) 045A10?
DIN 17210 20Mn5 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.