API Spec 5CT J55 K55 N80 Casing pipe seamless steel pipe for Use as Oil Casing and Tubing for well

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
100000 m.t./month

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Product Description:

Type

Casing pipe

Size

2-3/8" - 20"

Wall thickness

4lb/ft-106.5lb/ft

Standard

ANSI,ASME GB, SH,HG, MSS,JIS,DIN, API

Material

J55 K55 N80 L80 P110  etc.

Packaging

in bundle

Applications range

 petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation, boiler heat, exchanger, gas metallurgy, shipbuilding, construction, etc.

Min Order Quantity

5 tons

Delivery Time

3 working days after received buyer's deposit 

Quality

First grade

Productivity

270000tons/year

Others

1.Special design available according to requirement

2.anti-corrosion and high-temperature resistant with black painting

3. All the production process are made under the ISO9001:2000 strictly.


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Q:What is the production process of seamless steel tube?
The delivery status of hot-rolled seamless steel tubes is generally hot-rolled and delivered after heat treatment. Hot rolled seamless steel tube after quality inspection after staff strict hand picked in quality inspection should be carried out after the oil surface, followed by cold drawing experiments, hot rolling process should be carried out after the perforation experiment, if perforated expanding too large to carry out straightening correction. After straightening, the device is sent to the flaw detector by the transfer device to carry out the flaw detection experiment. Finally, the label is attached and the specifications are arranged and placed in the warehouse.
Q:What is the meaning of "DN" and "Phi" in the dimensioning of steel pipe diameter and how to apply the mark?
DN is a kind of Engineering path, not the actual value, due to the different standards, so the actual corresponding values is not the same; phi is refers to the actual value, the same national standard pipe inside the steel pipe, the actual value is the same, for example, GB/T8163 and GB GB fluid pipe spiral pipe and GBT/T9711.1 GB/T12459 the same nominal diameter corresponding to the actual value is the same as the actual value; and American Standard steel standard ANSI B 16.38 and ANSI B 16.9 standard American Standard fitting the same nominal correspondence is the same. If marked, the nominal diameter should be added DN, and the actual value can be omitted.
Q:What does GALV mean in a steel tube?
Steel tube (Steel pipe) production technology development began in the bicycle manufacturing industry, the rise of the early nineteenth Century during the oil development, the two world war ships, boilers, aircraft manufacturing, manufacturing of power boiler after the Second World War, the development of chemical industry of petroleum and natural gas drilling and transportation, will effectively promote the the yield and quality of varieties, the development of steel tube industry.
Q:How to calculate the maximum bending stress of steel pipe? Is there a list of the maximum flexural normal stresses for steel pipes of different materials and diameters?
Strength design of steel pipe by this formula to calculate the maximum normal stress in the steel pipe should be less than the value (based on your choice of different grades of steel, steel strength design value is not the same, this value can also be found through the design manual of steel structure), meet the requirements, it can meet the requirements of steel pipe under the action of bending moment strength.
Q:Are steel tubes and round steel in weight or length when purchased?
The price must be measured by weight, and the length, volume and other specifications should be entered
Q:Why seamless steel pipe called seamless steel pipe?
Steel pipe is divided into seamless steel pipe and welded steel pipe two kinds: seamless steel pipe is ingot or tube billet, through the perforation made capillary, and then by hot rolling, cold rolling or cold drawn made, so seamless steel pipe is divided into hot-rolled and cold drawn two categories. Welded steel pipe is through the steel plate or steel strip after bending forming, and then welded to make, according to the form of weld is divided into longitudinal welded pipe and spiral welded pipe two kinds. It is obvious that seamless welded pipe has no weld and that welded steel pipe has weld line.
Q:Is hot dipped plastic pipe steel?
Hot dip pipe used in fluidized bed impregnation process, one-time into new anti-corrosion steel production process is the original film, plastic pipe or electrostatic nozzle replace (the products by physical treatment process)
Q:Seamless steel tube DN15 specification phi 18*3 what do you mean?
Seamless steel pipe DN15 specification phi 18*3 refers to 3 outer diameter of 18mm B type DN15 seamless steel tube.
Q:What's the difference between seamless steel pipe and welded pipe?
The difference can be seen from the outward appearance that the welded pipe is welded by roll up.
Q:What materials are used in scaffolding pipes?
Safety net with dense green net, safety net of flame retardant standards GB, and safety net of flame retardant performance detection for lighter lit mesh 12 seconds after leaving the fire, flame retardant, continued burning of not more than 4S. The application of 9MM safety net rope, rope, nylon rope woven, each network should be able to withstand the impact of the national standard 1.6KN test.

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