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IS 1570 (Part 5):1985 X45Cr9Si3 Steel: Specifications & Listings

IS 1570 (Part 5):1985 X45Cr9Si3: X45Cr9Si3: high alloy, stainless or heat-resisting steel. Specified in IS 1570 (Part 5):1985.

Category: Stainless Steel
Grade Details
GradeIS 1570 (Part 5):1985 X45Cr9Si3
Standard IS 1570 (Part 5):1985
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
BS 970 EN52 BS 970:1955 UK No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 EN52 BS 970:1955 Strong Match
ASTM A959 S40800 ASTM A959:2011 Related Material
ASTM A959 409 ASTM A959:2011 Related Material
ASTM A959 409Cb ASTM A959:2011 Related Material
ASTM A959 442 ASTM A959:2011 Related Material
BS 970 (Part 1) 403S17 BS 970 (Part 1):1991 Related Material
BS 970 (Part 1) 430S17 BS 970 (Part 1):1991 Related Material
BS 970 (Part 3) 403S17 BS 970 (Part 3):1991 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
0.40-0.50 3.0-3.75 0.30-0.60 <=0.045 <=0.050 7.5-9.5 <=0.50
Mechanical Properties
Hardness 255-293 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
255-293 HB
Source: IS 1570 (Part 5):1985, Table 6

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