Here's a brief English description of the factory inspection standards for the Copper Liner (Part No.: 85763021 / 819911293) for XCMG Grader:
Material Compliance
Must meet ASTM B152/B187 standards for high-purity copper with traceability documentation.
Dimensional Accuracy
Critical dimensions (ID/OD/thickness) checked via CMM or precision calipers per XCMG engineering drawings.
Surface Quality
Visual inspection for cracks, pits, or inclusions; surface roughness ≤Ra 1.6μm verified by profilometer.
Hardness & Wear Resistance
Rockwell hardness (HRB) tested; wear resistance validated via 72-hour sand abrasion test.
Pressure Testing
Hydrostatic pressure test at 1.5x working pressure (≥30MPa) for 5 minutes without deformation/leakage.
Product Deatials
| Part Name | Copper Liner | Part Number | 85763021 819911293 |
| Model | / | Application | For XCMG Grader |
| Package Size | / | GW | 4KG |
| MOQ | 1 PC | Brand Name | CBP |
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