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IS 11169 (Part 1):2022 20Mn5Cr5 Steel: Specifications & Listings

IS 11169 (Part 1):2022 20Mn5Cr5: Cold heading quality alloy case hardening steel 20Mn5Cr5 to IS 11169 (Part 1):2022, for parts case hardened 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: Alloy Steel
Grade Details
GradeIS 11169 (Part 1):2022 20Mn5Cr5
Standard IS 11169 (Part 1):2022
ApplicationsCold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex B)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
ISO 20MnCr5 ISO 4954 International Not yet on M-EX
EN 20MnCr5 EN 10263 Europe Not yet on M-EX
JIS 20MnCr5 JIS Japan Not yet on M-EX
IS 1570 (Part 4) 20Mn5Cr5 IS 1570 (Part 4):1988 India No activity yet
IS 4367 20Mn5Cr5 IS 4367:1991 India No activity yet
IS 4432 20Mn5Cr5 IS 4432:1988 India No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 EN39A BS 970:1955 Related Material
BS 970 (Part 3) 637M17 BS 970 (Part 3):1991 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
BS 970 EN36A BS 970:1955 Related Material
BS 970 (Part 3) 635M15 BS 970 (Part 3):1991 Related Material
BS 970 EN33 BS 970:1955 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
0.17-0.22 1.00-1.30 <=0.15 1.00-1.40 <=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 B.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. Printed as 20Mn5Cr4 in Table B.8; that name is not in Table B.2, and the designation rule (IS 1762) and the chemistry give 20Mn5Cr5.
Source: IS 11169 (Part 1):2022, Table B.8, clause 8.1

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