PRODUCTION

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01

Raw material inspection

Raw materials will need to be non-destructive tested which is a vital step before they go to next manufacturing process, helping us to have a direct insight into the nature of raw materials and ensuring our supplier is meeting our manufacturing specification request.
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02

Blanking and drawing

Steel plate will be firstly cut and formed into the dimensions of the LPG Cylinder body depending on technical drawings. Hydraulic machines will be used for deep drawing process.
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03

Trimming and beading

Trimming and beading of the edges of the body halves make the halves to be easily combined and firmly welded
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04

Circumferential Welding

The body halves will be welded on the seam welding machine from their circumferences by arc welding.
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05

Annealing Treatment

Previous welding operations on LPG Cylinder make the joint parts chemically and mechanically changed. Annealing treatment, which alters the internal crystal structure of steel raw material, is used to reduce hardness, restore ductility and relieve stress of the cylinder. It is carried out by heating LPG cylinders to some determined temperature range, undergoing for some certain time, and cooling to natural temperature.
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06

Shot Blasting

By using high velocity abrasive steel shots, shot blasting removes the surface deposits on LPG Cylinder for subsequent painting operations.
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07

Painting and labeling

Cylinder body painting and labeling will be customized
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08

completion

Leakage test will be performed by sinking LPG cylinders into a water pool for a certain time. (And weighing, if compulsory.)

LABORATORY

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CONTACT

Add:
WIHU Avenue,By ENYO Filling Station Km6,Lagos-Ibadan,express-way,Isheri-Oke,Ogun State,Nigeria

Phone/Whatsapp
+234 906 999 6246

E-mail
mike@tllpg.com

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Hangzhou Tianlong Steel Cylinder Co., LtdSupport By Hangzhou Great Master

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