1. Manufacture Method: Cold drawn, hot rolled+deep hole bored
2. Size: 40mm*30mm - 600mm*500mm
3. Standard: DIN2391-2,EN10305-1,ASTM A519
4. Certification: ISO9001, SGS,
Marking or mechanical steamp on each piece of tube
We can do polishing to external surface of tubes
We can do hard chrome plating ro internal surface of tubes
Packing Details : Tubes packed in bundles tied with steel strips. Internal&external oil coating. End plastic caps. External packing by PVC bags and knit bags.
Delivery Details : Regular lead time is around 30-45 days.
Container loading: container loading by forklift in our workshop.
A: We are specialized manufacturer
A: Generally 30-45 days,depending on delivery time of raw material.
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
A: Deposit+balance before shipment,if order value is below USD20000. T/T or L/C is order value is above USD20000. For end users with long term demand,payment method can be discussed.
Q: How do you ensure quality?
A: We only use raw material from leading steel mills like TPCO,Hengyang Valin,Baosteel,etc.
We only use raw material with cylinder quality.
We inspect the tubes as cylinders itself, because we know each piece of tube means one or more pieces of cylinders.