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GB/T 3077-2015 40CrNiMoA / GB/T 3077 40CrNiMoA Steel - Specifications & Listings

GB/T 3077-2015 40CrNiMoA: 40CrNiMoA is a high-strength alloy steel with excellent toughness, hardenability, and fatigue resistance. The grade is commonly used in aerospace and heavy engineering applications.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeGB/T 3077-2015 40CrNiMoA / GB/T 3077 40CrNiMoA
StandardGB/T 3077-2015
Description40CrNiMoA is a high-strength alloy steel with excellent toughness, hardenability, and fatigue resistance. The grade is commonly used in aerospace and heavy engineering applications.
ApplicationsUsed for crankshafts, turbine shafts, heavy-duty gears, aircraft landing parts, bolts, and pressure components.
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Balanced
Chemical Composition (%)
C Si Mn Cr Ni Mo P S
0.37-0.44 0.17-0.37 0.50-0.80 0.60-0.90 1.25-1.65 0.15-0.25 0.025 max 0.025 max
Mechanical Properties
tensile_strength 1080-1280 MPa
yield_strength 930-1080 MPa
elongation 10-14%
hardness 30-38 HRC

Active GB/T 3077-2015 40CrNiMoA / GB/T 3077 40CrNiMoA Listings on M-EX (For Sale)

GB/T 3077-2015 40CrNiMoA / GB/T 3077 40CrNiMoA Round Bar
6.000 MT
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GB/T 3077-2015 40CrNiMoA / GB/T 3077 40CrNiMoA Round Bar
3.100 MT
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