The pressure resistance of high-pressure thick walled elbows does not have a fixed value, but mainly depends on the material, wall thickness, nominal pressure (PN) or pressure class (Class), and needs to be judged based on specific parameters: Among common materials, thick walled elbows made of carbon steel (such as 20 #), stainless steel (such as 304, 316), or alloy [...]

The quality problems of seamless stainless steel elbows are mainly concentrated in three categories: processing defects, material deviations, and dimensional errors, which directly affect the sealing, pressure resistance, and service life of pipeline connections. The common quality issues and their impacts are as follows: Uneven wall thickness: Uneven force during bending processing results in the inner wall of the elbow [...]

To clean the rust spots on seamless stainless steel elbows, it is necessary to first determine the type of rust spot, whether it is floating rust, oxide scale, or localized corrosion, and then choose the corresponding method to avoid damaging the passivation film on the surface of the stainless steel. Mild floating rust (surface dust+slight oxidation) can be wiped with [...]

The special performance of stainless steel seamless elbows lies in their seamless welding, integrated molding, butt fitting, and precision control, which will be described in detail below. 1. No welds are more resistant to manufacturing No welding seams, avoiding weak points such as weld corrosion and cracking, with high pressure resistance and corrosion resistance far exceeding welding elbows, suitable for [...]

What troubles will the thinning of stainless steel seamless elbow pipe wall bring? 1. Sudden drop in pressure bearing capacity, prone to overpressure rupture. 2. Local stress concentration makes it more prone to cracking. 3. Corrosion resistance and heat resistance deteriorate, accelerating damage. 4. It may cause medium leakage, and if the medium is corrosive/toxic, it may also pose safety [...]

Stainless steel seamless elbows are highly susceptible to damage in harsh environments such as strong corrosion, high/low temperatures, high wear, oceanic climates, etc. Targeted protection is required to block erosion sources, enhance self resistance, optimize usage and maintenance, while also taking into account the structural characteristics of stress concentration and easy accumulation of water and scale at the bending part [...]