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IS 1570 (Part 5):1985 X85Cr18Mo2V Steel: Specifications & Listings

IS 1570 (Part 5):1985 X85Cr18Mo2V: X85Cr18Mo2V: high alloy, stainless or heat-resisting steel. Specified in IS 1570 (Part 5):1985.

Category: Stainless Steel
Grade Details
GradeIS 1570 (Part 5):1985 X85Cr18Mo2V
Standard IS 1570 (Part 5):1985
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A959 440B ASTM A959:2011 Close Alternative
EN 10088-1 X90CrMoV18 EN 10088-1:2014 Close Alternative
EN 10088-1 X90CrMoV18 EN 10088-1:2023 Close Alternative
ASTM A959 440A ASTM A959:2011 Close Alternative
ASTM A959 440C ASTM A959:2011 Close Alternative
EN 10088-1 X105CrMo17 EN 10088-1:2014 Close Alternative
EN 10088-1 X105CrMo17 EN 10088-1:2023 Close Alternative
IS 11169 (Part 2) X04Cr17Mo1 IS 11169 (Part 2):2023 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 P S Cr Mo V
0.80-0.90 <=1.0 <=1.5 <=0.045 <=0.035 16.5-18.5 <=2.5 <=0.60
Mechanical Properties
Hardness 255-306 HB
Condition Valve steel, hardened and tempered (Table 6)

More data from IS 1570 (Part 5):1985

From the standard
Hardness, valve steels, hardened and tempered valve steels
Hardness
255-306 HB
Source: IS 1570 (Part 5):1985, Table 6
Recommended heat treatment 3 entries
Hardening temperature (Q+T)
1050 to 1080 deg C
Hardening quenching medium
oil
Tempering temperature
700 to 750 deg C
A annealing, S softening, ST solution treatment, Q quenching, T tempering, P patenting.
Source: IS 1570 (Part 5):1985, Table 7

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