Steel Plate Supplier for Construction and Industry
We supply carbon steel plate, stainless steel plate, hot rolled plate and cold rolled sheet for construction, structural fabrication, machinery, transportation and industrial projects.
Send us your required grade, thickness, width, length and quantity. We will help confirm the appropriate steel plate product for your purchasing requirements.

Steel Plate Solutions from Changzeng Metal
Founded in 2006 and based in Shanghai, we supply steel products for construction, manufacturing, railway, shipbuilding and other industrial fields. Our steel plate range includes carbon steel plate, stainless steel plate, hot rolled plate, cold rolled sheet and special-purpose plate products.
Customers can select products according to steel grade, thickness, width, length, rolling technique, surface condition and end application. Where additional processing is required, we can confirm cutting, punching, custom shapes, surface treatment and export packing according to the selected product and order details.
Explore Our Steel Plate Range
Why Buyers Choose Changzeng Steel Plate?
We support steel plate purchasing from grade confirmation through processing and export preparation.

Multiple Grades and Size Options
Our listed steel plate products cover carbon steel, stainless steel, hot rolled and cold rolled materials. Available grades include ASTM A36, ASTM A283, SS400, Q235, Q345, S235, S355, 304, 304L, 304N, 316, 316L and other product-specific options.
Thickness, width and length ranges differ by steel type. We therefore confirm dimensions according to the selected product instead of applying one specification range to every plate.
Processing and Export Support
For applicable steel plate products, we can process custom shapes according to drawings and provide cutting or punching services. Surface options may include cleaning, blasting, painting, PE coating, galvanizing, colour coating and stainless steel finishes, depending on the selected material.
Steel plates can also be prepared with export seaworthy packing or waterproof paper and steel-strip packing according to the product and transportation requirements.

Steel Plate Specifications at a Glance
Specifications vary by material and product. The following ranges correspond to separate products listed on our website.

Carbon Steel Plate
Carbon steel plate options include ASTM A36, ASTM A283, SS400, S235, S355, ST37, ST52 and other listed grades. Custom shapes can be processed according to drawings for the corresponding product.
Thickness: 1.5–300 mm
Width: 100–3000 mm
Length: According to customer requirements
Listed MOQ: 1 ton
Packing: Export seaworthy packing
Shape: Processed according to drawing

Stainless Steel Plate
Our listed ASME A240 stainless steel sheet and plate product includes 304, 304L, 304N, 316, 316L, 321, 430 and other grade options. Customers can select the surface according to functional or visual requirements.
Thickness: 0.1–200 mm
Width: 10–2000 mm or as requested
Tolerance: ±1%
Surface: 2B, BA, 2D, 2BB, No.3, No.4
Applications: Building, construction, decoration

Special-Purpose Steel Plate
The listed hot and cold rolled product range includes wear-resistant plate, alloy plate, pressure-vessel plate, ship plate and weather-resistant plate. Material selection should be based on the applicable standard and operating environment.
Technique: Hot rolled or cold rolled
Thickness: 0.12–40 mm or as required
Width: 0.5–3 m or as required
Length: 4–12 m or as required
Surface: Cleaned, blasted or painted
Packing: Waterproof paper and steel strips
Where Our Steel Plate Is Used?

Custom Steel Plate Processing
Grade and Size Matching
We review the requested standard, steel grade, thickness, width and length against the relevant product range. Because carbon steel, stainless steel and special-purpose plates have different specification limits, each requirement is confirmed separately before quotation.
Punching and Shape Processing
Our listed steel plate service includes punching and custom-shape processing. Customers should provide the hole diameter, spacing, edge distance, plate thickness and drawing version when requesting processed steel plate components.
Drawing-Based Cutting
For applicable products, steel plate can be processed into customer-required shapes according to drawings. Please include dimensions, units, tolerances, edge requirements and quantity so that the requested cutting work can be reviewed accurately.
Surface and Export Packing
Depending on the selected plate, available surface options may include cleaning, blasting, painting, PE coating, galvanizing, colour coating or stainless steel finishes. Export packing is confirmed according to plate dimensions, weight and transportation method.

Need Steel Plate for an Upcoming Project?
Send us the steel grade, standard, dimensions, quantity, application and delivery destination. We will review your actual order requirements and prepare the corresponding product information.
Steel Plate Documents & Downloads
- Name
- Summary
- Category
- Update
- Size
- Downloads
- Thumbnail
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- Copy Link
- Product Introduction
- Uncategorized
- 2023-05-11
- 34.49MB
- 163
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- Download
- Copy Link
- Company Profile
- Uncategorized
- 2023-05-11
- 1.08MB
- 125
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- Download
- Copy Link
- Company Catalog
- Uncategorized
- 2023-05-11
- 9.00MB
- 132
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- Download
- Copy Link
- Quality Management System Certificate
- Uncategorized
- 2023-05-11
- 353KB
- 126
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- Download
- Copy Link
- Cetificate of Compliance
- Uncategorized
- 2023-05-11
- 1.47MB
- 148
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- Download
- Copy Link
FAQs
Our Quality Certificate
View the quality management document available from Shanghai Changzeng Metal.




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Keep In Touch With Changzeng Metal
Whether you are purchasing carbon steel plate, stainless steel plate, hot rolled plate or cold rolled sheet, send us your required grade, size, quantity and application.
For processed orders, attach your drawing and indicate the required cutting, punching, surface treatment, tolerance and packing details.
Mob:+86-13816558096 / +86-13122570093
E-mail:sjw@cz-metal.com





