| Material Options |
Gray Iron: HT200, HT250, HT300, GG20, GG25 Ductile Iron: QT400-18, QT500-7, GGG40, GGG50 |
| Manufacturing Process |
Sand Casting (Green Sand / Resin-Bonded Sand) |
| Casting Weight Range |
20 kg – 10,000 kg (customizable) |
| Dimensional Tolerance |
ISO 8062 CT8–CT10 (or per customer drawing) |
| Surface Finish |
As-cast or machined; Ra ≤ 12.5 μm (after machining) |
| Heat Treatment |
Stress relieving annealing (to reduce internal stress and prevent deformation) |
| Machining |
In-house CNC machining available (flatness ≤ 0.05 mm/m² upon request) |
| Testing & Inspection |
Chemical analysis, tensile test, hardness test, ultrasonic testing (UT), visual inspection, CMM measurement |
| Certifications |
ISO 9001,Material Test Reports (MTR), PPAP (Level 3 available) |
| Standards Compliance |
GB/T 9439 (Gray Iron), GB/T 1348 (Ductile Iron), DIN 1691, ASTM A48/A536, EN 1561/1563 |
| MOQ |
10 pcs (negotiable based on complexity and weight) |
| Lead Time |
45–75 days (depends on size, quantity, and machining requirements) |
| Customization |
Full OEM/ODM support – accept 2D/3D drawings (PDF, DWG, STEP, IGS) |
| Applications |
CNC machine beds, lathe bases, spindle housings, gearboxes, column structures, etc. |