. Raw Materrial: Cr40 Alloy Steel
1)Chemical analysis
2)2)Steel certificate
3)6: 1 Rolled proportion
4)3: 1 upset forged proportion
2. Machine/equipment Guarantee: Favorable equipments guarantee strict QC process. Smooth/good shape of raw steel is critically important for final products.
3. Experienced technicians and workers with regular training to keep stable quality.
4. ISO2328 and ISO2330 standard production process and fully heat-treated. Hardness testing HB280-320 . Strict couple making.
2. Machine/equipment Guarantee: Favorable equipments guarantee strict QC process. Smooth/good shape of raw steel is critically important for final products.
3. Experienced technicians and workers with regular training to keep stable quality.
4. ISO2328 and ISO2330 standard production process and fully heat-treated. Hardness testing HB280-320 . Strict couple making.
5.3 times static overload testing; 1.5times dynamic overload testing; 1million times of impacting test!
6. Rigorous QC on the details like painting, flatness, tolerance, parallelism, packing, cleanness.
6. Rigorous QC on the details like painting, flatness, tolerance, parallelism, packing, cleanness.