Recarburizer JDZ-05
- Produced from high-quality sponge coke and subjected to a 1350°C calcination process, resulting in exceptional purity.
- Enhances the mechanical properties of castings while reducing the reliance alloy usage.
- Maintains precise and stringent control over nitrogen content.

Applications field
Grey iron castings, engine cylinder block and head, machine tool, brake disc, etc.
Specifications
Fix carbon | Ash | Volatiles | Moisture | Sulfur | Nitrogen |
---|---|---|---|---|---|
≥98.5% | ≤0.8% | ≤0.7% | ≤0.5% | ≤1.5% | ≤8000ppm |
Sizing
1-5mm, 70% within 2-4mm
Recarburizer JDZ-07-02
- From high quality sponge coke with hard product texture, significantly improve strength of the grey iron castings;
- High graphitization degree and low impurity content
- Stable control of nitrogen content with LECO oxygen and nitrogen meter
- Enhances the mechanical properties of castings while reducing the reliance alloy usage

Applications field
Engine cylinder block and head, machine tool, brake disc, etc. grey iron castings which has strict requirements on the mechanical properties.
Specifications
Fix carbon | Ash | Volatiles | Moisture | Sulfur | Nitrogen |
---|---|---|---|---|---|
≥99% | ≤0.5% | ≤0.5% | ≤0.1% | ≤0.03% | ≤100ppm |
Sizing
1-5mm, 70% within 2-4mm
Recarburizer JDZ-17
- From high quality sponge coke with porous grain appearance, fast dissolution and high absorption rate (≥92%)
- High graphitization degree and low impurity content
- Uniform particle size
- Stable carburization rate

Applications field
Appropriate for a wide range of high-quality castings, including but not limited to large windmill components, hydraulic parts, castings used in high- speed railway applications, exhaust manifolds, engine cylinders and blocks, and various automotive components, etc.
Specifications
Fix carbon | Ash | Volatiles | Moisture | Sulfur | Nitrogen |
---|---|---|---|---|---|
≥99% | ≤0.5% | ≤0.5% | ≤0.1% | ≤0.03% | ≤100ppm |
Sizing
1-5mm, 60% with 3mm
Recarburizer JDZ-17-02
- Derived from high-quality sponge coke characterized by its porous grain structure, rapid dissolution, and exceptional absorption rate (≥ 85%)
- Low Sulfur Content
- Exhibits a pretreatment effect on molten iron

Applications field
Appropriate for a wide range of high-quality castings, including but not limited to large windmill components, hydraulic parts, castings used in high- speed railway applications, exhaust manifolds, engine cylinders and blocks, and various automotive components, etc.
Specifications
Fix carbon | Ash | Volatiles | Moisture | Sulfur | Nitrogen |
---|---|---|---|---|---|
≥98.5% | ≤0.8% | ≤0.7% | ≤0.1% | ≤0.04% | ≤200ppm |
Sizing
0.2-1mm
Recarburizer JDZ-20
- From high quality sponge coke with porous grain appearance, fast dissolution and high absorption rate (≥90%)
- Low Sulfur Content
- Uniform particle size with stable carburization rate

Applications field
Extensively being used in nodular cast iron and grey iron components, including engine cylinder blocks, cylinder heads, machine tools, brake discs, and turbocharger shells.
Specifications
Fix carbon | Ash | Volatiles | Moisture | Sulfur | Nitrogen |
---|---|---|---|---|---|
≥98.5% | ≤0.8% | ≤0.7% | ≤0.1% | ≤0.1% | ≤800ppm |
Sizing
1-5mm, 70% within 3-4mm