IS 5517:1993 35Ni5Cr2 Steel: Specifications & Listings
IS 5517:1993 35Ni5Cr2: 35Ni5Cr2 is a steel in IS 5517:1993 (Steels for Hardening and Tempering), intended in general for forgings and machined parts for engineering or automobile purposes.
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
S
P
0.30-0.40
0.10-0.35
0.60-0.90
1.00-1.50
0.45-0.75
<=0.035
<=0.035
Mechanical Properties
Tensile Strength
700-850 MPa
Yield Strength (0.2% proof)
540 MPa min
Elongation
>=18%
Izod Impact
55 J min
Hardness (annealed)
<=229 HB
Condition
Hardened and tempered, ruling section up to 150 mm
More data from IS 5517:1993
From the standard
Heat treatment temperatures4 values
Hot working temperature
1200 to 850 °C
Hardening temperature
820 to 850 °C
Quenching medium
Water or Oil
Tempering temperature
550 to 660 °C
Source: IS 5517:1993 with Amendments 1 to 3, Table 4
Properties after hardening and tempering, by ruling section2 sections
Tensile strength (MPa)
0.2% proof stress, min (MPa)
Elongation, min (%)
Izod impact, min (J)
Limiting ruling section (mm)
700 to 850
540
18
55
150
800 to 950
600
16
55
100
Values apply to test bars taken from rounds along the direction of rolling. Izod impact values are for fine grained steels.
Source: IS 5517:1993 with Amendments 1 to 3, Table 5
Hardness by delivery condition2 conditions
As annealed (A), maximum
229 HB
As rolled (R), maximum
250 HB
Source: IS 5517:1993 with Amendments 1 to 3, Table 6
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