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Delivery length of stainless steel pipe

2023-12-18 15:12:05
The delivery length of stainless steel pipe is also called the length requested by the user or the length of the contract. There are several rules for delivery length in the specification:A. Normal le...

The deformation problem of spiral seam submerged arc welded steel pipe

2023-12-18 15:12:06
The spiral seam submerged arc welded steel pipes is drilled in rotation and begins to enter the soft formation. Under the action of the tri-cone, the drill first produces elastic shear deformation of ...

What is the difference between cold drawn steel pipe and hot rolled steel pipe

2023-12-18 15:12:07
The difference between hot working and cold working hot rolling is hot working, and cold drawing is cold working. The main difference: hot rolling is rolling above the recrystallization temperature, c...

Linear defects in steel tube

2023-12-18 15:12:08
Steel pipes as an inside surface of the tube in the process of hot-rolled wear plug fatigue caused by wrinkling of theshort and shallow scratches or the inner tube causes the surface roughness, the sy...

How to deal with stainless steel rust spots

2023-12-18 15:12:10
About stainless steel rust spot mothod we can start from two points of view of physics and chemistry.Stainless steel rust spot chemical processAfter pickling, it is very important to wash properly wit...

Galvanized steel size SC and the difference DN

2023-12-18 15:12:11
What are SC and DN?1.SC generally refers to the welded steel pipe , the language STEEL CONDUIT, is a shorthand for the material.2. DN refers to the nominal diameter of the galvanized steel pipe , whic...

API 5CT oil casing development and types classification

2023-12-18 15:12:11
After nearly 20 years of efforts, China’s oil casing production from scratch, from low price to high price, from low steel grade to API series products, and then to non API products with special requi...

Seamless steel pipes commonly NDT methods

2023-12-18 15:12:12
1. seamless steel tube magnetic particle testing (MT) or magnetic flux leakage testing (EMI)The detection principle is based on the ferromagnetic material is magnetized in a magnetic field, the discon...

Stainless steel pipe process types and surface condition

2023-12-18 15:12:14
STAINLESS STEEL PIPE PROCESS TYPES AND SURFACE CONDITIONProcess TypeSurface ConditionHFD: Hot Finished, heat treated, descaledMetallically CleanCFD: Cold Finished, heat treated, descaledMetallically C...

How to connect the refrigeration pipes

2023-12-18 15:12:14
Cooling pipe using seamless steel tube should be used as welding, in addition to use when connected to the equipment, valves flanged or threaded connection. gas welding using diameter less than 5omm, ...

Heavy duty coating

2023-12-18 15:12:15
Heavy duty coating refers to the relatively conventional anti-corrosion coatings, the corrosion can in a relatively harsh environment applications, and has to achieve a longer protection than conventi...

Different types oil casing pipe used in oil exploitation

2023-12-18 15:12:16
Different types of oil casing are used in the process of oil exploitation: surface oil casings protect the well from shallow water and gas pollution, support wellhead equipment and maintain the weight...
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