IS 4367:1991 (Reaffirmed 2001) 40Ni6Cr4Mo3 / IS 4367 40Ni6Cr4Mo3 Steel - Specifications & Listings

IS 4367:1991 (Reaffirmed 2001) 40Ni6Cr4Mo3: Nickel chromium molybdenum alloy steel with high strength, toughness and fatigue resistance for critical quenched and tempered components. Suitable for demanding automotive and aerospace applications.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeIS 4367:1991 (Reaffirmed 2001) 40Ni6Cr4Mo3 / IS 4367 40Ni6Cr4Mo3
StandardIS 4367:1991 (Reaffirmed 2001)
DescriptionNickel chromium molybdenum alloy steel with high strength, toughness and fatigue resistance for critical quenched and tempered components. Suitable for demanding automotive and aerospace applications.
Applicationsaircraft landing gear, high strength shafts, gears, axles, connecting rods, heavy engineering components
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
SAE 4340 SAE USA 17 listings, 15 RFQs →
34CrNiMo6 DIN EN 10083 Germany 3 listings, 0 RFQs →
SNCM439 JIS G4103 Japan 3 listings, 0 RFQs →
40CrNiMoA GB China 2 listings, 0 RFQs →
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Demand, no supply
Chemical Composition (%)
C Si Mn Ni Cr Mo
0.35-0.45 0.10-0.35 0.40-0.70 1.25-1.75 0.90-1.30 0.20-0.35
Mechanical Properties
tensile_strength 900-1350 MPa
yield_strength 700-1000 MPa min
elongation 10-15%
hardness 266-399 HB
annealed_max 230 HB
Typical Available Sizes
Round Bar 20-350 mm dia
Flat Bar 25-200 mm width
Sizes are indicative. Contact seller for exact availability.

Active IS 4367:1991 (Reaffirmed 2001) 40Ni6Cr4Mo3 / IS 4367 40Ni6Cr4Mo3 Listings on M-EX (For Sale)

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IS 4367:1991 (Reaffirmed 2001) 40Ni6Cr4Mo3 / IS 4367 40Ni6Cr4Mo3 Round Bar
7.900 MT
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IS 4367:1991 (Reaffirmed 2001) 40Ni6Cr4Mo3 / IS 4367 40Ni6Cr4Mo3 Round Bar
5.900 MT
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