Product Specifications
|
Parameter |
Value |
|
Common Materials |
45#, 40Cr, 42CrMo |
|
Process Type |
Hot forging |
|
Forging Ratio |
≥2.5 |
|
Dimensional Tolerance |
Hot forging FG grade |
|
Inspection Standard |
UT Level 2 + MT, cracks and folds not allowed |
|
Delivery State |
As-forged / Annealed / Quenched & tempered (as agreed) |
|
Typical Applications |
Engine connecting rods, crankshafts, gears, die blocks |
Forgings for Tool and Mold Applications
Tool steel forgings are our specialized product line for die and mold applications. Compared to standard forgings, tool steel forgings require more careful process control. The material must have good hardness, wear resistance, and toughness. Our common materials are 45#, 40Cr, and 42CrMo. We use hot forging as the primary process. The forging ratio is at least 2.5. This ratio ensures the internal structure is refined and the material properties are uniform. Tool steel forgings are used for engine connecting rods, crankshafts, gears, and die blocks.
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Dimensional Control and Inspection
The dimensional tolerance follows hot forging FG grade standards. We perform UT Level 2 internal inspection and MT surface inspection. Cracks and folds are not allowed in tool steel forgings. These defects can cause failure during later heat treatment or service. The delivery state can be as-forged, annealed, or quenched and tempered as you specify. The hardness is adjusted to the range required for each material grade. We also provide appropriate machining allowance based on your finishing requirements.
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Heat Treatment in Our Own Furnaces
Our forging shop has a 3000-ton press. This gives us the capacity to forge medium-sized die blanks. Our heat treatment shop has car-bottom resistance furnaces and bell-type resistance furnaces. We do annealing and quenching and tempering in these furnaces. For H13 tool steel, the heat treatment process is critical. It directly affects the die service life. We do all this heat treatment in our own shop. We do not outsource it. This gives us full control over the final properties of the forgings.
Material and Testing Reports
We test every batch of material with a spectrometer. This confirms the correct alloy grade. After forging, we do UT and MT inspection. Cracks and folds are not allowed. Each part comes with a material spectral report and an inspection report. Important parts also include mechanical property data. We maintain complete records for traceability. You can be confident that the tool steel forging you receive meets the specifications.
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