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IS 11169 (Part 1):1984 27C15 Steel: Specifications & Listings

IS 11169 (Part 1):1984 27C15: Cold heading quality carbon steel 27C15 to IS 11169 (Part 1):1984, for quenching and tempering, supplied as wire, wire rod or bars of 2 to 100 mm diameter. Old designation 27Mn2. The standard was reaffirmed in 2004.

Forms: Round Bar Category: Carbon Steel
Grade Details
GradeIS 11169 (Part 1):1984 27C15
Standard IS 11169 (Part 1):1984
ApplicationsManganese case-hardening steel; used for gears, shafts, and machine components requiring case hardening where higher core strength than plain carbon grades is needed
Most Active InWest (Gujarat, Maharashtra)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
DIN 17200 28Mn6 DIN 17200:1986 Germany 1 listing, 1 RFQ →
SAE J403 1527 SAE J403:2014 USA 4 listings, 1 RFQ →
IS 11169 (Part 1) 27C15 IS 11169 (Part 1):2022 India No activity yet
BS 970 (Part 3) 150M19 BS 970 (Part 3):1991 UK No activity yet
BS 970 (Part 3) 150M36 BS 970 (Part 3):1991 UK No activity yet
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Low Activity
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
IS 11169 (Part 1) 37C15 IS 11169 (Part 1):1984 Strong Match
BS 970 (Part 1) 150M28 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 3) 150M19 BS 970 (Part 3):1991 Strong Match
BS 970 (Part 3) 150M36 BS 970 (Part 3):1991 Strong Match
JIS G4053 SMn438 JIS G4053:2008 Strong Match
SAE J403 1527 SAE J403:2014 Strong Match
BS 970 (Part 1) 120M28 BS 970 (Part 1):1983 Strong Match
SAE J403 1527 SAE J403:2001 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 Mn Si
0.22-0.32 1.30-1.70 0.10-0.35
Mechanical Properties
Hardness, annealed <=190 HB

More data from IS 11169 (Part 1):1984

From the standard
Other composition limits from the clauses and notes
Sulphur and phosphorus, maximum
0.035 percent each; other limits by agreement
Elements not specified, maximum
Cr 0.15, Ni 0.15, Cu 0.15, Sn 0.02, Mo 0.05, V 0.05 percent; total 0.40
Narrower carbon and silicon ranges may be agreed between purchaser and manufacturer; elements not listed are not added except by agreement or to finish the heat.
Source: IS 11169 (Part 1):1984, clauses 4.1.2, 4.1.3, 4.2 and 4.4, Table 2 notes
Hardness in the annealed condition 1 condition
Annealed, maximum
190 HB
Brinell hardness for products delivered in the annealed condition.
Source: IS 11169 (Part 1):1984, Table 5, clause 8.1

Popular forms for this grade:

Round Bar (2)

Active IS 11169 (Part 1):1984 27C15 Listings on M-EX (For Sale)

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IS 11169 (Part 1):1984 27C15 Round Bar
1.000 MT
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Buyer RFQs for IS 11169 (Part 1):1984 27C15

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IS 11169 (Part 1):1984 27C15 Round Bar
0.600 MT
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