Scope of flaw detection:

Inspection of weld surface defects. Check the welding quality of weld surface crack, incomplete penetration and leakage.
Lumen examination. Check surface cracks, peeling, guy...

Weld flaw detection is to detect the cracks or defects in metal materials or components.
The commonly used flaw detection methods are: X-ray flaw detection, ultrasonic flaw detection, magnetic particl...

To give its full name, NACE MR 0175 (‘Metals for Sulphide Stress Cracking and Stress Corrosion Cracking Resistance in Sour Oilfield Environments’), specifies the types of corrosion resistant materials...

Standard: ASTM-A182 / A182m-2017 “American Society for testing and materials standards: Standard for forged or Du rolled alloy steel and stainless steel pipe flanges, forged fittings, valves and...

The full name of A694 is ASTM A694. It is the forging of carbon steel and alloy steel pipe flange, fittings, valves and parts for high pressure transmission equipment.F65 in ASTM a694 is carbon steel ...

F91 is one of the branches of 91 steel for various purposes. In American ASTM and ASME standards, the steel series distinguished by use are as follows:

A213 T91 Ferritic and austenitic seamless steel...

Before the stainless steel pipe enters the pickling and passivation process, corresponding pretreatment work must be done so as to obtain a stainless steel pipe surface that meets expectations after t...

Stainless steel welded pipe is a pipe made of stainless steel plate or strip crimping after forming and welding, simple production process efficiency, low cost and variety of specifications, but gener...

At present,industrial stainless steel welded pipe is widely used in the application market of stainless steel at home and abroad. Among them, because of the difference of surface processing technology...

Seamless steel pipe is more boring and stricter in the production process. Seamless steel pipe is one of the most important steel pipes. It is necessary to carry out repeated tests in the process of p...

Cold drawn steel pipe is a kind of steel pipe, that is, it is a type classified according to different production processes,and is different from hot rolled (expanded) pipe. In the process of expandin...

Hydrogen embrittlement, also known as hydrogen-induced cracking, is one of the major defects in large forgings and occurs mostly in medium-carbon alloy steel forgings (martensitic steel and pearlitic ...

There are three factors that contribute to hydrogen-induced cracking(HIC). These factors are:

Threshold level of hydrogen
Susceptible microstructure
Restraint level

In order to assess the resistance...

Hydrogen induced crack (HIC), also known as hydrogen stress crack or static fatigue, is a typical form of hydrogen embrittlement.It is characterized by brittle fracture of normal ductile alloys under ...

Oil casing is the pipe wall, used to support the oil and gas, to ensure normal operation of the post-completion wells at the drilling process. Each well, depending on the depth of drilling and geologi...

Duplex-grade stainless steel alloys have ferritic/austenitic properties, giving these materials superior strength and excellent resistance to oxidation. While the duplex-grade family includes a wide r...

UNS S32750, commonly known as super duplex 2507, is very similar to UNS S31803 duplex.The difference between the two is the higher chromium and nitrogen content of the super duplex, resulting in highe...

CuNi 90 / 10 mainly refers to the ratio of copper content to nickel content, reaching 90:10. This ratio usually refers to the American Standard c70600 material, which is copper nickel alloy, and the c...