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IS 1570 (Part 5):1985 X40Ni14Cr14W3Si2 Steel: Specifications & Listings

IS 1570 (Part 5):1985 X40Ni14Cr14W3Si2: X40Ni14Cr14W3Si2: high alloy, stainless or heat-resisting steel. Specified in IS 1570 (Part 5):1985.

Category: Stainless Steel
Grade Details
GradeIS 1570 (Part 5):1985 X40Ni14Cr14W3Si2
Standard IS 1570 (Part 5):1985
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 EN54 BS 970:1955 Close Alternative
ASTM A959 309 ASTM A959:2011 Related Material
ASTM A959 309S ASTM A959:2011 Related Material
ASTM A959 309H ASTM A959:2011 Related Material
BS 970 (Part 1) 403S17 BS 970 (Part 1):1991 Related Material
BS 970 (Part 1) 420S37 BS 970 (Part 1):1991 Related Material
BS 970 (Part 3) 403S17 BS 970 (Part 3):1991 Related Material
BS 970 (Part 3) 420S37 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 W
0.35-0.50 <=2.0 <=1.0 <=0.045 <=0.035 12.0-15.0 12.0-15.0 2.0-3.0
Mechanical Properties
Tensile Strength >=785 MPa
Yield Strength >=345 MPa (0.2 % proof stress)
Elongation >=35% (50 mm)
Hardness <=269 HB
Condition Annealed, quenched or solution treated bars and flats (Table 3)

More data from IS 1570 (Part 5):1985

From the standard
Annealed, quenched or solution treated bars and flats 5 properties
Tensile strength, min
785 MPa
0.2 % proof stress, min
345 MPa
Elongation in 50 mm, min
35%
Reduction of area, min
40%
Brinell hardness, max
269 HB
Source: IS 1570 (Part 5):1985, Table 3
Recommended heat treatment 2 entries
Solution treatment temperature
980 to 1080 deg C
Solution treatment quenching medium
water, oil
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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