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PETROCHEMICAL & CHEMICAL

For refining crude oil with high-sulfur, high-salt, and high acidity, the main refining equipment such as, atmospheric and vacuum distillation tower, absorption tower, fractionating tower, stable tower, be made of stainless clad steel plates instead of conventional steel to ensure necessary life. In addition, with the exploitation of oil, natural gas, it began to use stainless steel composite pipe as oil and gas pipelines.

1、Pressure vessel

① Titanium steel composites

Titanium is a kind of nice corrosion-resistance material for petrochemical, pressure vessel. However, pure titanium metal have good corrosion resistance, at the same time, it is low hardness and strength, and high cost. The equipment for the manufacture of titanium clad steel plate, not only can reduce the cost multiply, and able to overcome many of the deficiencies of a single titanium equipment in this field. Corrosion-resistant titanium inner and outer steel with high strength, this structure have good thermal conductivity, resistance to thermal stress, thermal fatigue, pressure difference and other capacity loads, can operate under more severe conditions.

② stainless steel clad plate

On carbon steel substrate, coated 0.1-20MM stainless steel, nickel steel, titanium steel and other materials, made into stainless steel clad plate, nickel-based alloy composite panel, titanium composite panels. It can give full play to the advantages of the two materials properties, both covering steel corrosion resistance, abrasion resistance, anti-magnetic; and carbon steel good weldability, formability, tensile ductility and thermal conductivity , reducing costs and improving equipment life.

③ nickel-based alloy composite panels

Nickel-based alloys, including Hastelloy, Monel, Inconel and other materials, has excellent corrosion resistance, is the best selection for petrochemical and pressure vessels, but expensive, with low hardness and strength. Through explosive bonding technology manufacture alloy composite plates , ensuring excellent corrosion resistance at the same time can save 50% -70% of the cost.

2.Double metal composite pipe

Stainless steel composite pipe as oil and gas pipelines, the outside base pipe in charge of the pressure support ,and role liner to assume the role of anti-corrosion. The outside base pipe can be designed according to the flow and pressure requirements of the transmission medium, use of different diameter and wall thickness of steel pipe diameter from φ20-φ1020mm, wall thickness from 2.5-50mm.

3, tube plate for heat exchangers and condensers

Tube sheet is mainly used in pressure vessels, boilers, condensers, evaporators, etc., playing a supporting role in the fixed tube, metal material so that it not only has a strong rigidity, but also has great thermal conductivity.

Through the explosive bonding technology , metallurgical clad a corrosion resistance face to the base plate against external forces . It can solve the corrosion problems for vessels, columns, heat exchangers, piping, high-power water reactor equipment ,steam generator tube sheet, improve high temperature performance, and significantly reduce costs.

Main types of tube sheets

Titanium Grade1/2

Monel400/500

Hastelloy C276

Ss 304/316/304L/316L,

Zirconium clad Carbon steel/16Mn plates

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