High‐temperature stud bolts are fasteners designed to retain mechanical strength, dimensional stability, and corrosion/oxidation resistance when exposed to elevated temperatures—typically from 300 °C (572 °F) up to 700 °C (1292 °F) or above.
High-temperature Stud Bolts: Materials and How to Select Fasteners Read More »
Hydrogen Induced Cracking (HIC) is a common form of wet H2S damage caused by the initiation and propagation of small crack-like flaws, often resembling small internal voids or blisters, that are generally laminar (in-plane) and oriented parallel to the inside and outside surfaces of steel. HIC usually occurs due to the effects of aqueous hydrogen diffusing into steel in wet H2S refinery process environments.
NACE TM0284 is the Test Method Evaluation of Pipeline and Pressure Vessel Steels for Resistance to Hydrogen-Induced Cracking.
What is Hydrogen-Induced Cracking and HIC Test Read More »
Intergranular corrosion (IGC), also known as intergranular attack (IGA), is a form of corrosion where the boundaries of crystallites of the material are more susceptible to corrosion than their insides.
ASTM A262 is the Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
Intergranular corrosion Test IGC Test ASTM A262 for Stainless steel Read More »
The selection of gaskets and bolts for oil&gas,petrochemical industries
This Article is to guide you how to select the suitable bolt and gasket for the flange.
The selection of gaskets and bolts for oil&gas,petrochemical industries Read More »
Aluminum is one of the few materials that retain and even improve mechanical properties at cryogenic temperatures (below -150°C or -238°F). aluminum alloys maintain ductility and strength, making them ideal for use in liquefied gas storage, spacecraft, cryogenic fuel tanks, and low-temperature processing systems.
Aluminum 5083 is the most common choice for cryogenic applications.
Aluminum Alloys in Cryogenic Applications Read More »
12Х18Н10Т,old Х18Н10Т is a Stainless steel grade under GOST standard GOST 5632,It is the equivalent grade as AISI 321,Which is an austenitic stainless steel alloyed with titanium (Ti) to stabilize carbon and prevent chromium-carbide precipitation.12Х18Н10Т can be worked in 425-900C high temperature conditions.
12Х18Н10Т vs AISI 321,Equivalent grade of 12Х18Н10Т Read More »
China has the largest production capacity Stainless steel of in the world.And stainless steel plate as the raw material,plays an important role the the manufacturing.It is important for you to know about the major Stainless steel plate makers in China,if you want to buy or import the stainless steel plate from China.in this page,you would find Introduction of major Stainless steel sheet makers in China.
Stainless steel plate Sheet manufacturers Ranking in China Read More »
Super Duplex Stainless steel UNS S32750 VS S32760 Super Duplex Stainless Steel refers to the dual-phase austenite and ferrite phases stainless steels,having exceptionally high strength and superior corrosion resistance—especially against pitting, crevice corrosion, and stress-corrosion cracking in chloride enviorement. Comparing with Duplex stainless steels,Super Duplex stainless steel has higer pitting resistance equivalence number, PREN = %Cr + 3.3 %Mo +
ASTM A182 F53 vs F55 Super Duplex Stainless steel Read More »
Both ASTM A105 and A350-LF2 are very common grade for forged carbon steel piping components. While, ASTM A105 is designed for ambient and high-temperature service; ASTM A350-LF2 is signed under ASTM A350 standard,which is a forged grade for low-temperature service with Charpy V-Notch impact energy testing.
ASTM A350 LF2 VS ASTM A105 Forged material Read More »
When The engineer select the forged carbon steel materials for flange or parts pressure vessels, They may easily find ASME SA105 and ASTM A105. While they seems the same material grade.Are they exactly the same? In this page,you would get the answer and understand their differences to ensure the compliance, especially in regulated industries like oil & gas, petrochemical, and power generation.
ASME SA105 ASTM A105 Comparison Read More »