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IS 11169 (Part 1):2022 20C10BT Steel: Specifications & Listings

IS 11169 (Part 1):2022 20C10BT: Cold heading quality boron alloyed case hardening steel 20C10BT 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.

Category: Alloy Steel
Grade Details
GradeIS 11169 (Part 1):2022 20C10BT
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
EN 19MnB4 (1.5523) EN 10269 Europe Not yet on M-EX
EN 10083-3 20MnB5 EN 10083-3:2006 Europe No activity yet
BS 970 (Part 1) 170H20 BS 970 (Part 1):1991 UK No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
EN 10083-3 20MnB5 EN 10083-3:2006 Strong Match
BS 970 (Part 1) 170H20 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 170H20 BS 970 (Part 1):1991 Strong Match
IS 11169 (Part 1) 22C10BT IS 11169 (Part 1):2022 Strong Match
IS 11169 (Part 1) 21C10BT IS 11169 (Part 1):1984 Strong Match
IS 11169 (Part 1) 18C10BT IS 11169 (Part 1):2022 Strong Match
EN 10083-3 30MnB5 EN 10083-3:2006 Close Alternative
BS 970 (Part 1) 170H36 BS 970 (Part 1):1983 Close Alternative
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
B C Mn P S Si
0.0008-0.005 0.17-0.24 0.80-1.15 <=0.035 <=0.035 <=0.40

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)
Copper
No limit printed in Table B.2
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

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