Construction Large Diameter Steel Pipe Fast Delivery Time With
Large Stock
Product introduction
Black back pipe is one of the most common steel pipes. If the cold
rolled steel is heated to annealing temperature and the surface
color turns black due to high temperature contact with air, it is
called black annealing. Its surface is not polished, so it is
black.
Product features
The physical properties become soft, which is convenient for
further welding and can be bent.
The common hardness is 57hrb, which can also be reduced to
different hardness as required.
The price and cost are low.
Product parameters
| Product Name | Black Welded Steel Pipe |
| Material | Q195 |
| Thickness | 0.3-2.5mm |
| Length | 4-7m |
| Section shape | Square |
| Pipe end | Flat end |
| Feature | Can be bent |
| Technique | Cold Rolled |
| Price | Negotiable |
| Wear resistance | Excellent |
| Environmentally | Friendly |
| Customizable | Yes |
Used in
Black retreating pipe is a kind of annealed thin-walled steel pipe
with soft physical properties, which can achieve the effect of
bending without cracking and expanding. Black back pipe is treated
A3 material pipe, the purpose is not to rust. It is mainly used for
bicycles, tricycles and all light vehicles.
FAQ
Q. What is the zinc content on the surface of the product?
A. In the case of no special customization, the general is 40-50
grams.
Q: Can you send samples to us?
A: Yes,we can provide free sample for quality inspection.According
to our company police , you should assume the freight ,and we will
return the freight if you place the order.
Q: Are you a manufacturer?
A: Yes , we are a manufacturer, not agent. We have own factory,
which is located in HEBEI,CHINA.
Q: Are you a factory or trading company?
A: We are a factory in Langfang City, Hebei Province.
Q: Can we visit your factory to inspect the goods for the order?
A : Welcome to visit our factory to inspect the quality.We
sincerely hope to establish a honest business relationship.
Q: How about the quality of products in your company?
A: We have high and best quality products and our products get some
good feedbacks from clients all over the world. Once you got our
products with some questions under guarantee, we will provide helps
at first place.
