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NF A35-552 34NCD6 Steel - Specifications & Listings

NF A35-552 34NCD6: 34NCD6 is a nickel-chromium-molybdenum alloy steel designed for high strength and toughness after heat treatment. It offers good fatigue resistance, deep hardenability, and reliable performance in heavily stressed engineering components.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeNF A35-552 34NCD6
StandardNF A35-552
Description34NCD6 is a nickel-chromium-molybdenum alloy steel designed for high strength and toughness after heat treatment. It offers good fatigue resistance, deep hardenability, and reliable performance in heavily stressed engineering components.
ApplicationsUsed for aircraft parts, transmission shafts, gears, crankshafts, connecting rods, and heavy-duty fasteners.
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Chemical Composition (%)
C Si Mn Ni Cr Mo P S
0.30-0.38 0.15-0.40 0.50-0.80 1.30-1.70 1.30-1.70 0.15-0.30 0.035 max 0.035 max
Mechanical Properties
tensile_strength 900-1100 MPa
yield_strength 700-850 MPa
elongation 10-14%
hardness 270-340 HB
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NF A35-552 34NCD6 Round Bar
0.900 MT
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NF A35-552 34NCD6 Round Bar
1.200 MT
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