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BS 970:1955 EN46 Steel: Specifications & Listings

BS 970:1955 EN46: EN46: Silicon-manganese spring steel. Specified in BS 970:1955, Part 2.

Category: Spring Steel
Grade Details
GradeBS 970:1955 EN46
Standard BS 970:1955
ApplicationsBars for water hardening and tempering. Laminated spring plates to this specification shall conform to the dimensional requirements in Appendix C.
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
IS 1570 (Part 4) 55Si7 IS 1570 (Part 4):1988 India No activity yet
BS 970 EN45 BS 970:1955 UK 6 listings, 3 RFQs →
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 EN45 BS 970:1955 Strong Match
IS 1570 (Part 4) 55Si7 IS 1570 (Part 4):1988 Strong Match
IS 3431 55Si7 IS 3431:1982 Strong Match
IS 4367 55Si7 IS 4367:1991 Strong Match
IS 3195 55Si7 IS 3195:1992 Strong Match
EN 10089 55Si7 EN 10089:2002 Close Alternative
BS 970 EN42 BS 970:1955 Related Material
JIS G4801 SUP6 JIS G 4801:2005 Related Material
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
0.35-0.45 1.50-2.00 0.70-1.00 <=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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