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IS 11169 (Part 1):2022 20NiCrMo2 Steel: Specifications & Listings

IS 11169 (Part 1):2022 20NiCrMo2: Cold heading quality alloy case hardening steel 20NiCrMo2 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 180 HBW.

Category: Alloy Steel
Grade Details
GradeIS 11169 (Part 1):2022 20NiCrMo2
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
IS 4367 20NiCrMo2 IS 4367:1991 India 1 listing, 1 RFQ →
IS 11169 (Part 1) 20NiCrMo2 IS 11169 (Part 1):1984 India No activity yet
SAE J404 8620 SAE J404:2000 USA No activity yet
BS 970 (Part 1) 805A20 BS 970 (Part 1):1991 UK No activity yet
BS 970 (Part 1) 805A22 BS 970 (Part 1):1991 UK No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
IS 11169 (Part 1) 20NiCrMo2 IS 11169 (Part 1):1984 Strong Match
IS 11169 (Part 1) 21Ni2Cr2Mo2 IS 11169 (Part 1):2022 Strong Match
SAE J404 8620 SAE J404:2009 Strong Match
SAE J404 8620 SAE J404:2000 Strong Match
IS 1570 (Part 4) 20Ni2Cr2Mo2 IS 1570 (Part 4):1988 Strong Match
BS 970 (Part 1) 805A20 BS 970 (Part 1):1983 Strong Match
SAE J404 8622 SAE J404:2009 Strong Match
SAE J404 8622 SAE J404:2000 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 Cr Cu Mn Mo Ni P S Si
0.18-0.23 0.40-0.60 <=0.15 0.70-0.90 0.15-0.25 0.40-0.70 <=0.035 <=0.035 0.10-0.35
Mechanical Properties
Hardness, annealed (+AC) <=180 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
180 HBW
Brinell hardness for products delivered in the annealed condition.
Source: IS 11169 (Part 1):2022, Table B.8, clause 8.1

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