PART I: PRODUCT INTRODUCTION
1. Description: We can supply steel tubes or customized barrles for telescopic cylinders.
2. Commodity: ST52 telescopic cylinder barrel
3. Available steel gardes:
| SAE/AISI |
1020,1026,1045,1518,4130,4140 |
| EN |
C45E,E355,CK45,E470,25CrMo4,42CrMo4 |
| DIN |
ST52 |
4. Manufacture method: deep hole boring+external surface machining
5. Bore treatment: honing+hard chrome plating+polishing
6. Machining&turning:as per drawings.
7. Thickness and hardness of hard chrome plating: as per requirement.
8. Standard export packing: By steel racks
9. Customized packing or marking are available upon request.
TELESCOPIC CYLINDER TUBE-RAW MATERIAL MACHINING:
TELESCOPIC CYLINDER TUBE - DEEP HOLE BORING:
TELESCOPIC CYLINDER TUBE - EXTERNAL SURFACE MACHINING:
TELESCOPIC CYLINDER TUBE - PACKING:
PART II: FREQUENTLY ASKED QUESTIONS
1. MOQ: 5 pieces
2. Delivery Time: 60 days average.
3. Warranty&Guarantee: Warranty&guarantee period is 6 months since we deliver the tubes, and we are not responsible for quality problem caused by wrong unloading or storage after shipment. We welcome customer's inspection before shipment.
4. Payment Method: We accept payment method like T/T, L/C, or D/P, but it depends on our investigation about customers. We have a solution to evaluate the credit of customers from all over the world, and time and amount of D/P we can release is determined by the evaluation.
5. Quality Control: We purchase raw material from stable suppliers who are leading steel mills, and we inspect the raw material as per the specifications. During our production procedure, there is inspection and quality control in every stage.
PART III: FACTORY FACILITIES
Audited Supplier 
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