large diameter stainless steel pipe

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Product Description:

Quick Details

· Material: Carbon Steel

· Technics: WELDING

· Type: pipe

· Place of Origin: China (Mainland)

· Model Number: 2-80mm

· Brand Name: CNBM-CMAX

· Connection: Welding

· Shape: Equal

· Head Code: Square

Packaging & Delivery

Packaging Details:

in wooden case or pallet or according to customers requirement.

Delivery Detail:

20 days


We offer steel pipes and pipe fittings with high quality and low price.

Main Markets:

North America

South America
Southeast Asia
Western Europe

Product Description

Quick Details


2.5 - 80 mm

Section Shape:


Outer Diameter:

21.3 - 610 mm

Place of Origin:

China (Mainland)

Secondary Or Not:



Gas Pipe


Hot Rolled



Surface Treatment:


Special Pipe:

API Pipe

Alloy Or Not:


seamless steel pipes:



A106(B,C),A53(A,B),API J55,API K55,API L80,St37-2,St45,A53-A369,API J55-API P110,ST35-ST52


API 5L,ASME B36.19M-1985,ASTM A106-2006,GB 3087-1999,API,ASTM,GB

Packaging & Delivery

Packaging Detail:


Delivery Detail:



1.Seamless pipe professor
2.MTC,ISO,API certificate
4.On time delivery
5.Big store,excellent package.


1.Seamless pipe professor
2.MTC,ISO,API certificate
4.On time delivery
5.Big store,excellent package.

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Q:Can the equipment and pipe be directly connected between the pipe and the pipe, flange or welding?
Generally do not directly connected, or wire, or flange connection, also is the live connection, a connection is commonly used in the boiler, is expanding, but the general is the expansion of the boiler furnace tube, small tonnage, large tonnage, now commonly used welding connection.Pipe fittings and fittings can be directly connected by wire, flange, buckle joint, welding, etc..
Q:The middle tail of the total length of 50 meters and it would be great for enduring 2 flange head butt would like this?? Five
Fiber optic jumper transmission speed attenuation is greater, but also much smaller than the network transmission, 50 meters distance using two wins SC fiber flange, attenuation is only a few dB, ignored. Of course, also need to use some domestic good quality goods, Jingdong search ranking in front of a few can, like win for brand is good
Q:60 seamless steel tubes with 50 flanges, right?
Yes! But more accurate description is: the outer diameter is 60mm seamless steel pipe, and nominal size of DN50 flange matching connection.
Q:What's the flange surface?
Flange sealing surface has a full plane FF, protruding surface RF, convex M, concave F, tenon surface T, groove surface G, ring connection surface RJ, general concave convex MF, mortise and tenon surface TG, ring connection surface RJ are paired usePL welding plate flange with flange, SO diameter, WN butt welding neck flange;
Q:Is the forged flange and cast flange raw material slab similar? Five
Forged flanges and cast flanges use different levels of stress, and forged flanges can be used in high and low pressure pipelines,Casting flanges can only be used for non pressure lines, otherwise leakage is very easy.Hebei bend flange, my name is Liu Jiangong.Flange production using continuous casting does not mean that the flange is casting, can only say that raw materials are not up to standard. Let's pay for the goods. High pressure pipe, as far as possible the use of round steel material.
Q:What does "-150# SO/FF" mean by flange 4?
Size: 4"Pound level: 150#SO: flat with neckFF: flat surface (flange sealing surface)
Q:Is the flange fitted with a flange?
However, this connection is only part of a device, such as flanges and pumps connected, it is not good to call the water pump flange parts". Relatively small, such as valves, can be called flanges".The movable flange is sheathed on the end of the pipe by using a flange, a steel ring, etc., and the flange can be moved on the pipe end. Steel ring or flanging is the sealing surface, the role of the flange is to compress them. Thus, because of the steel ring or flange block, the live flange is not contact with the media. Because the flange is movable, not directly connected to the pipe, so it is called "live flange", there is another statement called loose flange.
Q:How high is the flange flange?
Only the weld ring loose flange is marked with a higher flange flange height. Moreover, different levels of C in the standard flange thickness has been set to die, your height suddenly face protruding at the flange thickness meet the appropriate process to face, is usually a value of experience, what is the scope of a DN, but the protruding height is not high, are generally small according to DN, increased, increasing
Q:What is the two gauge flange? 5
Two standard flange without standards, such as wall thickness to slightly worse, there are some errors in size, in general, can still use, but compared with GB flange, it must be unqualified
Q:One side is flat plate and side hubbed flange can be connected to it
The same standards, the same pressure, the same caliber, with these three points can be connected

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