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Driving shaft with drilled flange Forged alloy steel 4340 Q+T Third party full inspection
Chemical elements analysis identification:
C:0.39
Si:0.20
Mn:0.71
S:0.002
P:0.002
Cr:0.78
Mo:0.22
Ni:1.70
Mechanical property
| 4340 | Tensile strength Mpa | Yield strength Mpa | Elongation | section shrinkage | Impact(20℃) | Hardness | ||
| Analysis Identification | 850-1000 | ≥665 | ≥ 13% | ≥50% | ≥35 J | 248 - 302 HB | ||
Products:
It is used as important conditioning and conditioning parts requiring good toughness, high strength and large size, such as heavy-duty machinery high-load shaft, turbine shaft with diameter greater than 250mm, rotor shaft of helicopter, turbojet engine turbo shaft, blade, high-load transmission parts, crankshaft fasteners. Gear, etc.; It can also be used to operate the rotor shaft and blade above 400℃; It can also be used to make important parts with special performance requirements after nitriding treatment, and can be used as ultra-high strength steel after low temperature tempering or isothermal quenching.
Supplied drawing:
Product details:
An irregular drive shaft with a regular drilled flange
Dimensional measurement:
The figure below is measured using a micrometer.
Features:
High-precision dimensional tolerance;
Excellent mechanical properties;
Produce different dimension based on customer’s requirements;
Advanced manufacture equipments and inspection devices;
Excellent technical personality;
Control the production procedure strictly;
Pay attention on the package protection;
Quality full service.