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
P
S
Cr
Ni
Ti
<=0.08
<=1.0
<=2.0
<=0.045
<=0.030
17.0-19.0
9.0-12.0
>=5xC, <=0.80
Mechanical Properties
Tensile Strength
>=515 MPa
Yield Strength
>=205 MPa (0.2 % proof stress)
Elongation
>=40% (50 mm)
Hardness
<=183 HB; <=88 HRB
Condition
Annealed, quenched or solution treated plates, sheets and strips (Table 2)
More data from IS 1570 (Part 5):1985
From the standard
Annealed, quenched or solution treated plates, sheets and strips5 properties
Tensile strength, min
515 MPa
0.2 % proof stress, min
205 MPa
Elongation in 50 mm, min
40%
Brinell hardness, max
183 HB
Rockwell B hardness, max
88 HRB
Source: IS 1570 (Part 5):1985, Table 2
Annealed, quenched or solution treated bars and flats4 properties
Tensile strength, min
517 MPa
0.2 % proof stress, min
207 MPa
Elongation in 50 mm, min
40%
Reduction of area, min
50%
Source: IS 1570 (Part 5):1985, Table 3
Recommended heat treatment2 entries
Solution treatment (softening) temperature
1000 to 1150 deg C
Solution treatment quenching medium
water, oil, air
A annealing, S softening, ST solution treatment, Q quenching, T tempering, P patenting.
Source: IS 1570 (Part 5):1985, Table 7
Active IS 1570 (Part 5):1985 X04Cr18Ni10Ti Listings on M-EX (For Sale)