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BS 970 (Part 3):1991 212A42 Steel: Specifications & Listings

BS 970 (Part 3):1991 212A42: 212A42 is a free-cutting steel bright bar grade specified in BS 970 Part 3:1991 (bright bars for general engineering purposes).

Category: Free Machining Steel
Grade Details
GradeBS 970 (Part 3):1991 212A42
Standard BS 970 (Part 3):1991
ApplicationsBright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; free-cutting steel (Table 12)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
IS 1570 (Part 3) 40C10S18 IS 1570 (Part 3):1979 India No activity yet
BS 970 (Part 1) 212A42 BS 970 (Part 1):1983 UK No activity yet
IS 1570 (Part 3) 40C15S12 IS 1570 (Part 3):1979 India No activity yet
BS 970 EN8M BS 970:1955 UK 3 listings, 0 RFQs →
BS 970 (Part 1) 216A42 BS 970 (Part 1):1983 UK No activity yet
BS 970 (Part 1) 216M44 BS 970 (Part 1):1983 UK No activity yet
BS 970 (Part 1) 212A37 BS 970 (Part 1):1983 UK No activity yet
BS 970 (Part 1) 212M36 BS 970 (Part 1):1983 UK No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 (Part 1) 212A42 BS 970 (Part 1):1983 Strong Match
BS 970 EN8M BS 970:1955 Strong Match
BS 970 (Part 1) 216A42 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 216M44 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 212A37 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 212M36 BS 970 (Part 1):1983 Strong Match
IS 1570 (Part 3) 40C10S18 IS 1570 (Part 3):1979 Strong Match
IS 5517 40C10S18 IS 5517:1993 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 P S
0.40-0.45 <=0.25 1.00-1.30 <=0.06 0.12-0.20

More data from BS 970 (Part 3):1991

From the standard
Other composition limits
Steel group
Free-cutting steel (Table 12)
Condition of supply
Bright bars: cold drawn, turned or precision ground, in straight lengths
Maximum unless a range is stated.
Source: BS 970 (Part 3):1991, Table 12

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