Raw Materials Entering The Warehouse

Raw Materials Entering The Warehouse

The raw material steel strips are purchased from top domestic steel mills such as Dingxin, Guangqing, Hongwang, Pohang, and Beigang. Each roll of steel strip undergoes spectral testing to ensure that the metal elements of stainless steel meet national standards and strictly control product quality from the source.

Rolling

Rolling

The hot-rolled steel strip is subjected to pressure and tensile ductility processing, and the stainless steel strip is forged multiple times to obtain the appropriate pipe thickness. The rolled finished product is generally referred to as "rolled material".

Annealing

Annealing

The rolled steel strip enters the annealing process to improve various structural defects and residual stresses caused by the rolling process of steel, prevent deformation, cracking, and refine grain size of the steel strip. Quickly raise the temperature of the stainless steel strip to around 1050 degrees, then transfer it to an ammonia decomposition atmosphere protection pipeline, rapidly cool it to below 100 degrees, and achieve bright annealing.

Fraction

Fraction

The rolled steel strip enters the slitting machine and is processed into rolls of the desired width through unwinding, longitudinal cutting, leveling, winding, and processing, for further deep processing and pipe making.

Pipe Making

Pipe Making

The divided steel strip enters the fully automatic pipe making machine and is extruded into shape through a mold. It is then welded using argon arc welding or plasma welding. The protective gas for argon arc welding is pure argon gas, mainly used to weld stainless steel pipes below 3mm. Plasma welding has strong penetration power, mainly used to weld stainless steel pipes of 5-8mm. After welding, the outer surface of the weld bead needs to be polished and water-cooled accordingly. After the weld bead is water-cooled, it is polished with a water grinder until it is flat, and then shaped through the mold to ensure that the round tube is round and the square tube is square.

Polishing

Polishing

The surface of the pipe can be polished, frosted, brushed, embossed, acid washed and passivated, electrophoretic and other processes to meet the different needs of customers.

Packaging

Packaging

The polished pipe is waiting for cooling, and a certificate of conformity and specification label are pasted at the pipe head before entering the packaging machine and packaging bag.

Warehousing

Warehousing

The warehouse keeper enters the finished goods warehouse and allocates shelves based on the specifications, thickness, and material of the pipes. The pipes are then brought into the warehouse and checked for product model, specifications, quantity, etc. to ensure that the products shipped are consistent with the customer's order requirements; Supervise the loading process, confirm transportation requirements, conditions, and deadlines with logistics to ensure that the product is not damaged.