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IS 6911:1992 X04Cr12 Steel: Specifications & Listings

IS 6911:1992 X04Cr12: Ferritic stainless steel X04Cr12 (numerical symbol 405) to IS 6911:1992 (reaffirmed 1998), made as plate, sheet and strip and normally supplied annealed and descaled. Minimum tensile strength annealed is 440 MPa with 0.2% proof stress of 250 MPa.

Category: Stainless Steel
Grade Details
GradeIS 6911:1992 X04Cr12
Standard IS 6911:1992
ApplicationsStainless and heat-resisting steel plate, sheet and strip (clause 1.1)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
IS 1570 (Part 5) X04Cr12 IS 1570 (Part 5):1985 India No activity yet
ASTM A959 403 ASTM A959:2011 USA No activity yet
ASTM A959 410S ASTM A959:2011 USA No activity yet
ASTM A959 410Cb ASTM A959:2011 USA No activity yet
EN 10088-1 X6Cr13 EN 10088-1:2014 Europe (CEN) No activity yet
EN 10088-1 X6CrAl13 EN 10088-1:2014 Europe (CEN) No activity yet
EN 10088-1 X10CrAlSi13 EN 10088-1:2014 Europe (CEN) No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A959 410S ASTM A959:2011 Strong Match
EN 10088-1 X6CrAl13 EN 10088-1:2014 Strong Match
EN 10088-1 X6CrAl13 EN 10088-1:2023 Strong Match
ASTM A959 SS410 ASTM A959:2011 Strong Match
EN 10088-1 X6Cr13 EN 10088-1:2014 Strong Match
EN 10088-1 X6Cr13 EN 10088-1:2023 Strong Match
ASTM A959 410Cb ASTM A959:2011 Strong Match
ASTM A959 S41603 ASTM A959:2011 Strong Match
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
Al C Cr Mn P S Si
0.10-0.30 <=0.08 11.5-13.5 <=1.0 <=0.040 <=0.030 <=1.0
Mechanical Properties
Bend Test (180 deg) Mandrel diameter 2 x thickness
Elongation (50 mm, annealed) >=20%
Hardness (annealed, max) 187 HBS, 88 HRB
Tensile Strength (annealed) >=440 MPa
Yield Strength (0.2% proof, annealed) >=250 MPa

More data from IS 6911:1992

From the standard
Other composition limits from Table 1 and its note
Steel type
Ferritic
Numerical symbol (ISS)
405
Values
Maximum unless a range is given (ladle analysis)
Element not specified, Molybdenum, max
0.30
Element not specified, Copper, max
0.30
Elements not listed in Table 1 are not added to the steel except to finish the heat, and then only within the limits shown.
Source: IS 6911:1992, Table 1 and its note
Recommended heat treatment Table 3
TreatmentTemperature (deg C)Cooling medium
Annealing, A750 to 800furnace or air
Recommended heat treatment (clause 8.3). Austenitic steels are supplied solution annealed and descaled; ferritic and martensitic steels annealed and descaled, unless agreed otherwise.
Source: IS 6911:1992, Table 3

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