Hot Sale Cold Rolled Steel Round Pipe / DIN Hot Dipped Galvanized Welded Steel Pipe

1. Material preparation: Select high-quality steel as the base material, and prepare the needed galvanized materials, pipe fittings and tools.

2. Processing and production: the steel is cut into the appropriate length, and stacked into a certain number according to the design requirements, and then the steel is processed, including welding, bending, punching and other processes. The processed steel pipe is combined into a predetermined structure and connected with pipe fittings.

3. Oil removal, pickling: the processed steel pipe will be removed oil and pickling treatment, so that the surface can be better bonded with galvanized materials.

4. Preheating treatment: the steel pipe after oil removal and pickling treatment is preheated, and the steel pipe is heated to a certain temperature to improve its surface quality and adhesion.

5. Galvanizing treatment: The preheated steel pipe is galvanized by hot dip galvanizing and electroplating.

6. Inspection and quality control: quality inspection and control of galvanized steel pipe to ensure its quality and national standards and customer requirements.

7. Packaging and transportation: The galvanized steel pipe is packaged and then transported.

1. who are we?
We are based in Shandong, China, factory located in Liaocheng, the hometown of chinese steel pipes.
2. how can we guarantee quality?
Always a pre-production sample before mass production;Always final Inspection before shipment;
3.what can you buy from us?
PPGI,PPGL,GI,GL,Roof Sheet, GI coil, steel pipes and beams, stainless steel sheets and coils and pipes.
4. why should you buy from us not from other suppliers?
1. 20 years manufacture &exporting
2. ISO/SGS/CE approval quality factory
3. Professional supplier in steel field
4. Product line of PPGI PPGL,GI GL
5. Machines of roofing sheet
6. Standard sea package
7. Good service
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese