Seamless Steel Pipe P91 made in China

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Description of Seamless Steel Pipe


Seamless steel pipe is a hollow section, no seams of strip steel. Is made from solid tube ingot or the perforation capillary, then through hot rolling and cold rolling or cold dial. Steel pipe has a hollow section, a large number of used for conveying fluid pipe, such as oil, natural gas, coal gas, water and some solid materials, such as pipelines


Features of Seamless Steel Pipe

High strength

High toughness

High hardenability

The cold deformation



Technical Data of Seamless Steel Pipe

(ODXWTXL mm):73--508x10--90x5000--12000(mm)





IMages of Seamless Steel Pipe

Seamless Steel Pipe P91  made in China

Seamless Steel Pipe P91  made in China

Seamless Steel Pipe P91  made in China



①How is the quality of your products?
    Our products are manufactured strictly according to national and internaional standard, and we take a test 
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

②How about price?
    Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

③Why should you chose us?
    Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.


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Q:What's the difference between glass fiber reinforced plastic pipe and glass fiber reinforced sand pipe? What kind of material is good?
Sand tube is more brittle, gfrpmp is relative to the glass tube can be called pure glass tube, glass tube is not with quartz sand, the two pipes generally used in different areas, the pure glass pipe can be used in most areas, but the sand tube is generally only used in the political field, especially is the large diameter sand tube.
Q:What can be done to solve the leakage of FRP pipe?
The method of mending is hand paste. The stones must be taken away so that the pipes are restored to their original shape. If you can get into the pipe, polish it first and repair the lining.
Q:How to open a DN300 port on the DN600 GRP pipe and install the DN300 gate?!
A 300 hole bonding a short tube, in the installation of a valve (see what install valves, iron needs a steel plastic conversion, direct bonding glass steel flange, a glass tube) special glue (a few years ago had forgotten what, like what's called 507), this thing is good to buy special glass steel where there is, the effect is quite good
Q:FRP duct material plan is how to mention?
Multi plan square, but also according to the combination of site and construction drawings, to see how much
Q:What's the process of continuous winding glass fiber reinforced plastic sand pipe?
In the continuous output of the mold, the resin, chopped fiber and quartz sand according to certain requirements, the use of circumferential winding method of continuous laying, and after curing cut into a certain length of pipe products a method. The equipment has the advantages of convenient process control, low labor intensity, little pollution, good working environment, high production efficiency and stable quality of pipe material.
Q:What kind of project needs fiberglass pipe?
Glass fiber reinforced plastic products are characterized by corrosion protection, high temperature resistance, humidity resistance, alkali resistance, etc., where it is necessary to use the glass fiber reinforced plastic pipe!!
Q:What kind of material does glass steel ship honeycomb board use?
Is an aluminum honeycomb core, with hexagonal type 3003 aluminum honeycomb core, aluminum foil thickness 0.04~0.06mm, length 5~6mm, the roll forming technology to complete the front and back skin forming, automatic folding machine, front and back skin in the mounting side tightly bite.
Q:Glass fiber reinforced plastic pipeline to do anti-corrosion?
Itself is a corrosion resistant material, no need for corrosion protection
Q:How much is a glass fiber reinforced plastic sand pipe socket pipe fitting?
Compared with the traditional pipe, it has excellent chemical resistance. It can resist acid, alkali, salt, oxidant, organic solvent, various kinds of grease, sewage and so on. Its lining is made of corrosion resistant and excellent resin as raw material, so no corrosion protection is needed. And after long-term use, no fouling, will not be contaminated by micro-organisms and debris deposition in the sewage, so as to increase the roughness rate and reduce the water cross section or plug the pipeline. Because the damage rate of glass fiber reinforced sand pipe is more than 4 times the working pressure, the safety factor is designed with enough safety factor.
Q:What are the construction methods of glass fiber reinforced plastic paint anticorrosive pipes?
Oil and gas pipelines used for twenty years, basically no corrosion phenomenon. As part of a group of coal tar epoxy primer and topcoat are based on epoxy resin and coal tar as the main film-forming material, add a variety of anti rust paint, insulating filler, toughening agent, leveling agent, diluent, anti settling agents and other materials, the B component is modified amine curing agent or curing agent the main material, adding fillers. When the product is sold, the A and B parts are supplied together, and the mixture is mixed in proportion during construction.

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