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IS 11169 (Part 2):2023 X04Cr18Ni9Cu Steel: Specifications & Listings

IS 11169 (Part 2):2023 X04Cr18Ni9Cu: Cold heading quality austenitic stainless steel X04Cr18Ni9Cu to IS 11169 (Part 2):2023, supplied as wire rod, bars or wire of 0.8 to 50 mm. Maximum tensile strength cold drawn and solution annealed is 710 MPa for the smallest sizes, lower for larger sizes.

Category: Stainless Steel
Grade Details
GradeIS 11169 (Part 2):2023 X04Cr18Ni9Cu
Standard IS 11169 (Part 2):2023
ApplicationsCold heading and cold extrusion of stainless steel parts; the standard covers wires, wire rods and bars of 0.8 to 50 mm (clause 1.1, Table 11)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
ISO 4567-304-98-X ISO 4954 International Not yet on M-EX
EN X6CrNiCu18-9-2 (1.4567) EN 10263 Europe Not yet on M-EX
JIS SUS304J3 JIS Japan Not yet on M-EX
GB/ISC S30480 GB China Not yet on M-EX
EN 10088-1 X8CrNiS18-9 EN 10088-1:2014 Europe (CEN) No activity yet
EN 10088-1 X6CrNi18-10 EN 10088-1:2014 Europe (CEN) No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A959 321 ASTM A959:2011 Strong Match
BS 970 (Part 3) 304S31 BS 970 (Part 3):1991 Strong Match
BS 970 (Part 1) 304S31 BS 970 (Part 1):1983 Strong Match
ASTM A959 302 ASTM A959:2011 Strong Match
EN 10088-1 X5CrNi18-10 EN 10088-1:2014 Strong Match
EN 10088-1 X5CrNi18-10 EN 10088-1:2023 Strong Match
EN 10088-1 X8CrNiS18-9 EN 10088-1:2014 Strong Match
EN 10088-1 X8CrNiS18-9 EN 10088-1:2023 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 N Ni P S Si
<=0.08 17.0-19.0 1.00-3.00 <=2.00 <=0.10 8.0-10.5 <=0.045 <=0.030 <=1.00
Mechanical Properties
Reduction of Area, cold drawn and solution annealed (+AT+C+AT) >=60% (0.8 to 5 mm) / >=65% (over 5 to 25 mm)
Tensile Strength, cold drawn and solution annealed (+AT+C+AT) <=710 MPa (0.8 to 2 mm) / <=700 MPa (over 2 to 5 mm) / <=650 MPa (over 5 to 25 mm)

More data from IS 11169 (Part 2):2023

From the standard
Other composition limits from the table notes
Values
Maximum unless a range is given (ladle analysis)
Steel type
Austenitic
Numerical symbol (for guidance only)
304Cu
Elements not listed are not added intentionally without the purchaser's agreement, except those used to finish the heat.
Source: IS 11169 (Part 2):2023, Table 10 and its notes
Tensile strength and reduction of area by delivery condition by delivery condition and size
Delivery conditionDiameter (mm)Tensile strength, max (MPa)Reduction of area, min (%)
+AT+C+AT0.8 to 271060
+AT+C+ATover 2 to 570060
+AT+C+ATover 5 to 1065065
+AT+C+ATover 10 to 2565065
+AT+C+AT+LC0.8 to 276063
+AT+C+AT+LCover 2 to 563063
+AT+C+AT+LCover 5 to 1068063
+AT+C+AT+LCover 10 to 2568063
Codes: +AT solution annealed, +A soft annealed, +PE peeled, +C cold drawn, +LC skin passed. Diameter ranges are over the first figure up to and including the second. No reduction of area is specified for +AT+C. For non-circular sections the properties are agreed between manufacturer and purchaser. Printed as shown: at 2 to 5 mm the +AT+C+AT+LC value (630 MPa) is below the +AT+C+AT value (700 MPa), unlike the other grades.
Source: IS 11169 (Part 2):2023, Table 11

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