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IS 1570 (Part 4):1988 15Cr13Mo6 Steel: Specifications & Listings

IS 1570 (Part 4):1988 15Cr13Mo6: 15Cr13Mo6: alloy steel (constructional or spring group) with specified chemical composition. Specified in IS 1570 (Part 4):1988.

Category: Alloy Steel
Grade Details
GradeIS 1570 (Part 4):1988 15Cr13Mo6
Standard IS 1570 (Part 4):1988
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
IS 1570 (Part 4) 25Cr13Mo6 IS 1570 (Part 4):1988 India No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
IS 1570 (Part 4) 25Cr13Mo6 IS 1570 (Part 4):1988 Strong Match
IS 1570 (Part 4) 20Cr20Mo6 IS 1570 (Part 4):1988 Close Alternative
IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4):1988 Close Alternative
IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4):1988 Related Material
IS 1570 (Part 4) 20Mo6 IS 1570 (Part 4):1988 Related Material
IS 1570 (Part 4) 33Mo6 IS 1570 (Part 4):1988 Related Material
IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4):1988 Related Material
IS 1570 (Part 4) 40Cr5Mo6 IS 1570 (Part 4):1988 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 Si Mn Ni Cr Mo
0.10-0.20 0.15-0.35 0.40-0.70 <=0.30 2.90-3.40 0.45-0.65
Mechanical Properties
Tensile Strength >=1540 MPa
Yield Strength >=1240 MPa (0.2 % proof stress)
Elongation >=8%
Izod Impact >=14 J
Hardness >=444 HBS (guidance only)
Condition Bars and forgings, hardened and tempered (oil hardened unless stated), limiting ruling section 63 mm

More data from IS 1570 (Part 4):1988

From the standard
Properties, hardened and tempered 6 strength levels
Limiting ruling section (mm)Tensile strength (MPa)0.2 % proof stress, min (MPa)Elongation, min (%)Izod impact, min (J)Brinell hardness (HBS)
150690-8404901455201-248
150790-9405501250229-277
150890-10406501150255-311
150990-11407501048285-341
1001090-1240830941311-363
63>=15401240814>=444
Bars and forgings, oil hardened unless stated; hardness is for guidance only. Same table row set applies to 15Cr13Mo6 and 25Cr13Mo6.
Source: IS 1570 (Part 4):1988, Table 4

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