IS 5517:1993 58Cr4V1 Steel: Specifications & Listings
IS 5517:1993 58Cr4V1: 58Cr4V1 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
Cr
V
S
P
0.53-0.63
0.15-0.50
0.80-1.10
0.90-1.20
0.07-0.12
<=0.035
<=0.035
Mechanical Properties
Tensile Strength
980-1180 MPa
Yield Strength (0.2% proof)
735 MPa min
Elongation
>=12%
Izod Impact
41 J min
Hardness (annealed)
<=250 HB
Condition
Hardened and tempered, ruling section up to 250 mm
More data from IS 5517:1993
From the standard
Heat treatment temperatures5 values
Hot working temperature
1050 to 850 °C
Normalising temperature
850 to 880 °C
Hardening temperature
820 to 850 °C
Quenching medium
Oil
Tempering temperature
480 to 650 °C
Source: IS 5517:1993 with Amendments 1 to 3, Table 4
Properties after hardening and tempering, by ruling section4 sections
Tensile strength (MPa)
0.2% proof stress, min (MPa)
Elongation, min (%)
Izod impact, min (J)
Limiting ruling section (mm)
980 to 1180
735
12
41
250
1080 to 1270
885
10
34
100
1180 to 1370
980
8
27
40
1320 to 1570
1080
7
21
16
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
250 HB
As rolled (R), maximum
As per agreement
Source: IS 5517:1993 with Amendments 1 to 3, Table 6
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