Pressure Vessel Forgings

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Pressure vessel heads, Forgings parts for pressure vessel ,Tube Plate.

Quality control

1. Apart from the required chemical elements ,we have strictly tested some harmful elements such as P S Pb Sn As Sb and Bi, as well as some gas or non-metallic debris like H O and N in the smelting process.
2. Double vacuum smelting and Etitroslag resmelting techniques are employed for pressure vessels with special requirement to ensure high purity, uniform element , and low gas content of raw material.
3. Strict forging technique is required to meet the nondestructive testing requirement.
4. We have given the pressure vessel frogings heat treatment to acquire high creep strength,little temper embrittlement, high corrosion resistance, uniform structure,high grain sizes, as well as great performance under standard/low/high temperature.
5. The finishing line is equipped with advanced CNC equipment to ensure high precision of our forgings
6. The ultrasonic flaw detection is conducted in line with the standards’upon pressure vessel.

All of the indexes of our pressure vessel forgings are in compliance with JB/T4726, JB/T4727,

NB/T47008,and ASME standards.

7. All of production steps such as smelting,forging,heat treatment,flaw detection,and machining are strictly controlled and inspected in TongYu, The pressure vessel we have produced comply with the national standards and European standards, such as JB/T4726, JB/T4727,NB/T47008,and ASME standards.

Quality control

1. Registration certificate of steel forgings for Pressure Vessel.

This certifacate is issued by the National standardization Committee on Boiler and pressure Vessels. Its applicable range :carbon steel and alloy steel forgings ,low alloy steel forgings, stainless steel, and heat resistance steel forgings.

1. Mo certifacate from ASME

Material range of MO certificate issued by American Society of Mechanial Engineers(ASME):

Carbon steel, low steel alloy, and iron-based materials, with Austenitic stainless steel included. The product it covers includes forgings ,forged seamless pipes , forged pipes ,seamless pipe fittings, flanges , and semi-finished products like plates, steel ingots,steel rings, and hollow forgings.

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