2. A broader choice of materials
For wear application:
* Tool Steel: HW03;
* PM-HIP material: HWA,HWC02,HWC01,CPM10V,CPM9V
For corrision application:
* Nitrided Steel: HC01;
* PM-HIP material: WR4,HWC02,HWC01,CPM10V,CPM9V
For wear and corrision application:
* PM-HIP material: HWC02,HWC01,CPM10V,CPM9V
* Stainless Steel: HCS01,HCS03 etc
3. Raw material guarantee
The company has been cooperating with domestic and foreign first-line brand material suppliers for a long time, and has a strict quality control and performs regular audits and inspection of the factory (elemental analysis, metallographic analysis, ultrasonic flaw detection, etc.) to ensure a 100% qualified status.
4. Process of making
5. Heat treatment
As we all know, heat treatment is very important in the screw production process. In order to ensure the quality of products, Joiner has purchased professional heat treatment equipment to produce, so that we can control the construction process by ourselves.
6. Packing Details: According to your order quantities and products sizes to choose wooden boxes or cartons to pack:
- Rust-proof oil processing,
- Oiled paper packages,
- Bubble wrap package,
- Special foam packaging,
7. Extruder Screw Elements Testing Reports
We will send Inspection reports for every our customer.
1). General Dimension Inspection Report
2). Material certificate for customer.
8. Product photos: