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IS 1570 (Part 7):1992 20CrMoVTiBH Steel: Specifications & Listings

IS 1570 (Part 7):1992 20CrMoVTiBH: 20CrMoVTiBH: steel for elevated temperature service (creep resisting steel). Specified in IS 1570 (Part 7):1992.

Category: Alloy Steel
Grade Details
GradeIS 1570 (Part 7):1992 20CrMoVTiBH
Standard IS 1570 (Part 7):1992
ApplicationsBoilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
EN 10088-1 X20CrMoV11-1 EN 10088-1:2014 Related Material
EN 10088-1 X20CrMoV11-1 EN 10088-1:2023 Related Material
ASTM A681 P2 ASTM A681:2008 Related Material
EN 10088-1 X22CrMoV12-1 EN 10088-1:2014 Related Material
EN 10088-1 X22CrMoV12-1 EN 10088-1:2023 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 Ni Mo V Ti B
0.17-0.24 <=0.35 <=0.5 <=0.03 <=0.03 0.90-1.40 <=0.50 0.8-1.10 0.7-1.0 0.05-0.12 <=0.005
Mechanical Properties
Tensile Strength >=800 MPa
Yield Strength >=680-780 MPa (0.2 % proof stress)
Elongation >=15%
Condition Bars, forgings, Q+T, thickness up to 200 (first row of Table 3)

More data from IS 1570 (Part 7):1992

From the standard
Mechanical properties at room temperature 1 rows
ProductHeat treatmentThickness (mm)Hardness (RB)Rp0.2 min (MPa)Rm min (MPa)Rm max (MPa)Elongation min (%)KV (J)Bend test D max
Bars, forgingsQ+Tup to 200241-269680-780800-15--
Rm and elongation printed once for a group of thickness rows are repeated on each row; Rp0.2 'Note 8' is printed as in the standard; in case of dispute the tensile strength value is deciding.
Source: IS 1570 (Part 7):1992, Table 3

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