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IS 11169 (Part 1):2022 20C15 Steel: Specifications & Listings

IS 11169 (Part 1):2022 20C15: Cold heading quality non-alloy steel 20C15 to IS 11169 (Part 1):2022 for quenching and tempering after cold heading or cold extrusion, supplied as wire rod, bars or wire of 2 to 100 mm. Maximum hardness in the annealed condition is 170 HBW.

Category: Carbon Steel
Grade Details
GradeIS 11169 (Part 1):2022 20C15
Standard IS 11169 (Part 1):2022
ApplicationsCold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex C)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
IS 4367 20C15 IS 4367:1991 India 1 listing, 1 RFQ →
IS 1570 (Part 4) 20C15 IS 1570 (Part 4):1988 India No activity yet
IS 5517 20C15 IS 5517:1993 India No activity yet
IS 11169 (Part 1) 20C15 IS 11169 (Part 1):1984 India No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
IS 11169 (Part 1) 11C15 IS 11169 (Part 1):2022 Strong Match
GB/T 699 25 GB/T 699:2015 Close Alternative
IS 1570 (Part 7) 12C7H IS 1570 (Part 7):1992 Close Alternative
IS 11169 (Part 1) 40C8 IS 11169 (Part 1):2022 Related Material
IS 11169 (Part 1) 45C8 IS 11169 (Part 1):2022 Related Material
BS 970 EN36B BS 970:1955 Related Material
IS 1570 (Part 4) 16Ni3Cr2 IS 1570 (Part 4):1988 Related Material
IS 1570 (Part 4) 16Ni4Cr3 IS 1570 (Part 4):1988 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 Cr Cu Mn Mo Ni P S Si
0.16-0.24 <=0.15 <=0.15 1.30-1.70 <=0.05 <=0.15 <=0.035 <=0.035 0.10-0.35
Mechanical Properties
Hardness, annealed (+AC) <=170 HBW

More data from IS 11169 (Part 1):2022

From the standard
Other composition limits from the table notes and clauses
Values
Maximum unless a range is given (ladle analysis)
Residual elements, maximum
Sn 0.020, V 0.05 percent; Cr + Ni + Cu + Sn + Mo + V together not over 0.40 percent, where not used as alloying elements
Deoxidation
Aluminium killed (clause 6.2)
Elements not listed are not added intentionally without the purchaser's agreement, except those used to finish the heat.
Source: IS 11169 (Part 1):2022, Table C.2 and its notes, clause 6.2
Hardness in the annealed condition 1 condition
Annealed (+AC), maximum
170 HBW
Brinell hardness for products delivered in the annealed condition.
Source: IS 11169 (Part 1):2022, Table C.6, clause 8.1

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