Customized CR Coil and Steel Discs for Cylinder Production
Shanghai Luzhen supplies cold rolled steel coil for LPG gas cylinder manufacturing and related cylinder components. According to the customer's material specifications, production process and applicable standards, the steel can be delivered either as complete coils or as ready-to-process circular steel discs.
Steel grade, coil width, thickness, coil weight and inner diameter can be customized according to purchasing and production requirements. For steel discs, customers can specify the required material grade, thickness, diameter and quantity.
Our experience in the gas cylinder industry enables us to coordinate suitable steel materials and delivery forms for different cylinder-production processes and target markets.
Available Supply Forms
Cold Rolled Steel Coil
Cold rolled steel coils are suitable for customers equipped with their own slitting, blanking or disc-cutting facilities. Width, thickness, grade, coil weight, inner diameter and edge condition can be supplied according to the customer's technical requirements.


Customized Steel Discs
For cylinder manufacturers that prefer materials prepared for direct forming, we can supply circular steel discs in customized diameters and thicknesses. Disc dimensions can be matched to the cylinder body, upper and lower heads or other specified components.
Supplying finished discs can help customers simplify material preparation, reduce local processing requirements and improve production efficiency.
Key Product Features
- Customized steel grade, thickness and coil width
- Available in steel coil or circular disc form
- Customized coil weight and inner diameter
- Customized steel-disc diameter and thickness
- Mill edge or slit edge available
- Surface condition supplied according to requirements
- Material specifications matched to applicable standards
- Mill test certificates available with the order
- Export packaging suitable for long-distance transportation
Applications
Our cold rolled steel products can be supplied for:
- LPG gas cylinder production
- Cylinder upper and lower heads
- Cylinder guards and handles
- Cylinder foot rings
- Pressed and deep-drawn metal components
- Other customized industrial steel parts
The appropriate material grade and mechanical properties should be selected according to the component function and applicable manufacturing standard.
Supply According to Your Material Specifications
Steel requirements may vary according to cylinder capacity, component type, manufacturing process and applicable market standard. Shanghai Luzhen can arrange supply according to the following information:
- Required steel grade
- Applicable material standard
- Required thickness
- Required coil width
- Required coil weight
- Required coil inner diameter
- Required steel-disc diameter
- Surface and edge requirements
- Order quantity
- Destination country
If the exact steel grade has not yet been confirmed, customers may provide the material specification currently used in production or the applicable cylinder standard for evaluation.

Products Description
Shanghai Luzhen has nearly 20 years of experience serving the gas cylinder industry. Our product range covers steel coils, customized steel discs, cylinder heads, guards, foot rings, valves, finished cylinders and cylinder production equipment.
This industry background helps us understand how raw-material dimensions and delivery forms affect cutting, forming, welding and overall production efficiency. We can coordinate steel coils and processed components within one supply solution, helping cylinder manufacturers simplify sourcing and improve material consistency.
FAQ

01.What information is required for a quotation?
02.Can you supply both CR sheet coil and steel discs?
03.Can the coil specifications be customized?
04.Can you recommend a suitable steel grade?
Request a Customized Steel Supply Solution
Our website displays only part of our steel product range. We can supply suitable steel materials according to your required grade, standard, thickness, coil width, coil weight, disc diameter, order quantity and target-market requirements.
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