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BS 970:1955 EN49A Steel: Specifications & Listings

BS 970:1955 EN49A: EN49A: Carbon steels for hard drawn wire for springs; covered by BS 1408 Hard drawn steel wire for springs: En 49A, 49B, 49C, 49D. Specified in BS 970:1955, Part 2.

Category: Spring Steel
Grade Details
GradeBS 970:1955 EN49A
Standard BS 970:1955
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
BS 970 EN42B BS 970:1955 UK No activity yet
BS 970 EN42E BS 970:1955 UK No activity yet
BS 970 EN42F BS 970:1955 UK No activity yet
BS 970 EN42J BS 970:1955 UK No activity yet
BS 970 EN43 BS 970:1955 UK No activity yet
BS 970 EN43G BS 970:1955 UK No activity yet
BS 970 EN43J BS 970:1955 UK No activity yet
BS 970 EN49B BS 970:1955 UK No activity yet
BS 970 EN49C BS 970:1955 UK No activity yet
BS 970 EN49D BS 970:1955 UK No activity yet
BS 970 EN42G BS 970:1955 UK No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 EN49B BS 970:1955 Strong Match
BS 970 EN49C BS 970:1955 Strong Match
BS 970 EN49D BS 970:1955 Strong Match
BS 970 EN42E BS 970:1955 Strong Match
BS 970 EN42F BS 970:1955 Strong Match
BS 970 EN43G BS 970:1955 Strong Match
BS 970 EN43J BS 970:1955 Strong Match
BS 970 EN42G BS 970:1955 Strong Match
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Si Mn S P
0.40-0.85 <=0.30 <=1.00 <=0.050 <=0.050

More data from BS 970:1955

From the standard
Status in the 1955 edition
Status
Deleted by Amendment 10
Reason
Amendment 10 (Jun 1972): spring steels moved to BS 970 Part 5:1972
BS 970:1955 was amended up to Amendment 10 (June 1972); steels were moved to the revised Parts 1 to 5 and deleted from this edition.
Source: BS 970:1955, Amendment slips 6 to 10

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