40CrNiMo, 40CrNiMoA Steel Equivalent, Composition, Properties

Steel

ファミリー: Alloy Steel

性能評価

Strength
5/10
Corrosion Resistance
3/10
Lightweight
5/10
Machinability
6/10
Cost Efficiency
9/10
Temperature Resistance
7/10

Performance Radar

Strength 5/10 Corrosion Res. 3/10 Lightweight 5/10 Machinability 6/10 Affordability 9/10 Heat Res. 7/10
Performance ratings of 40CrNiMo, 40CrNiMoA Steel Equivalent, Composition, Properties across six properties, each scored out of 10.
特性 Rating
Strength 5 / 10
Corrosion Res. 3 / 10
Lightweight 5 / 10
Machinability 6 / 10
Affordability 9 / 10
Heat Res. 7 / 10

組成

40CrNiMo, 40Cr…
Ni 1.45%
Other 2.6%

機械的特性

硬度（ロックウェル）

化学組成

元素 割合 (%)
C 0.37 to 0.44
P ≤ 0.020 to ≤ 0.030
S ≤ 0.010 to ≤ 0.030
Cr 0.60 to 0.90
Cu ≤ 0.25 to ≤ 0.30
Mn 0.50 to 0.80
Mo 0.15 to 0.25
Ni 1.25 to 1.65
Si 0.17 to 0.37

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説明

40CrNiMoA steel is a Chinese alloy steel, has high strength, toughness and good hardenability, and has anti-overheating stability, but has high white point sensitivity, temper brittleness and poor weldability. Preheating is required before welding, and stress relief treatment is required after welding. 40CrNiMoA steel is used after quenching and tempering, and is used to manufacture important parts requiring good plasticity, high strength and large size. For example, heavy-duty shafts in heavy-duty machines, steam turbine shafts with diameters greater than 250 mm, blades, transmissions, fasteners, crankshafts, gears, etc., can also be used for rotor shafts and blades operating at temperatures exceeding 400 °C. 40CrNiMo, 40CrNiMoA Steel Chemical Composition

Frequently Asked Questions

What is 40CrNiMo, 40CrNiMoA Steel Equivalent, Composition, Properties?
40CrNiMo, 40CrNiMoA Steel Equivalent, Composition, Properties is a alloy steel alloy based on steel.
What is the composition of 40CrNiMo, 40CrNiMoA Steel Equivalent, Composition, Properties?
40CrNiMo, 40CrNiMoA Steel Equivalent, Composition, Properties contains C (0.37 to 0.44%), P (≤ 0.020 to ≤ 0.030%), S (≤ 0.010 to ≤ 0.030%), Cr (0.60 to 0.90%), Cu (≤ 0.25 to ≤ 0.30%), Mn (0.50 to 0.80%), Mo (0.15 to 0.25%), Ni (1.25 to 1.65%).
What are the applications of 40CrNiMo, 40CrNiMoA Steel Equivalent, Composition, Properties?
40CrNiMo, 40CrNiMoA Steel Equivalent, Composition, Properties is commonly used in engine & drivetrain, structural steel, reinforcing bar (rebar), offshore platforms, oil & gas pipelines.