Steel Plates
Your Professional Steel Plates Supplier
Octal Pipe is a professional and integrated supplier of oilfield products and industrial steel solutions based in China. With extensive experience in supply, distribution, and manufacturing, we specialize in providing a wide range of steel materials for the oil & gas, energy, and industrial sectors.
Why Choose Us
Superior Quality Assurance
Our steel pipes undergo rigorous testing and adhere to international standards, ensuring unmatched durability, corrosion resistance, and performance in extreme conditions.
Certificates
Every product is backed by full material traceability, mill certificates, and compliance with international standards such as API, ASTM, ASME, EN, and ISO.
Competitive Pricing
We deliver premium-grade steel pipes at reasonable costs, optimizing value through efficient manufacturing and supply chain management without compromising on quality.
Fast & Reliable Delivery
Leveraging efficient sea freight logistics and a global network, we ensure timely ocean shipping of steel pipes, minimizing delays and keeping your industrial operations on schedule.
Steel Plate
Steel plate is a plate of metal, specifically steel, that can be cut and manufactured into a more elaborate product. Steel plates come in a range of thicknesses, and can be manufactured to a length or width that you need. There are common sizes that you’ll find, such as 48”x96” or 96”x120”. To put it simply, steel plate is a general term.
Product Paramenters
|
Technical Standard |
EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653 |
|
Steel Grade |
Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, |
|
Type |
Coil/Sheet/Plate/Strip |
|
Thickness |
0.12-6.00mm,or customer's requirement |
|
Width |
600mm-1500mm, according to customer's requirement |
|
Type of Coating |
Hot Dipped Galvanized Steel(HDGI) |
|
Zinc Coating |
30-275g/m2 |
|
Surface Treatment |
Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U) |
|
Surface Structure |
Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS) |
|
Quality |
Approved by SGS,ISO |
|
ID |
508mm/610mm |
|
Coil Weight |
3-20 metric ton per coil |
|
Package |
Water proof paper is inner packing,galvanized steel or coated steel sheet is outer packing , side guard plate,then wrapped by seven steel belt.or according to customer's requirement |
|
Export market |
Europe, Africa, Central Asia, Southeast Asia, Middle East, South America, North America, etc |
Material Grades & Key Standards
|
Grade / Type |
Typical Use |
Standard Specification |
|
ASTM A36 |
General structural plate, beams, supports, fabrications |
ASTM A36 / A36M |
|
ASTM A516 (Grades 55, 60, 65, 70) |
Pressure vessel and boiler plates |
ASTM A516 / A516M |
|
Ship-Plates: AH36, DH36, EH36 |
Marine hull, offshore platforms, shipbuilding |
ASTM A131 |
|
Stainless Steel Plates |
Corrosion-resistant applications(food, chemical, marine) |
ASTM A240, EN-SA / SS / SUS etc. |
|
Wear-Resistant Plates (Hardox 500, AR, etc.) |
Mining, heavy machinery, abrasion & impact service |
Proprietary / EN / ASTM relevant wear plate standards |
Types & Thickness / Forms
Carbon Steel Sheet / Plate
Common low alloy or mild steels; thick plates 5–200 mm+
01
Stainless Steel Plate
Usually 304, 316, 316L, duplex, etc.; surface finish options (pickled, #4, BA, etc.)
02
Ship Plate
AH36/DH36/EH36-high yield strength with toughness at lower temperatures for marine impact & fatigue
03
Wear Plate
Hardox 500 etc.-high hardness (≥ 500 HBW) and impact toughness for wear & abrasion
04
Coated / Treated Plate
Galvanized steel plate (zinc coated), pre-painted, cut & edged plates
05
Steel sheet metal processing options include hot-rolled or cold-rolled sheet metal.
Hot-Rolled Sheet Metal
Cost-effective. The hot-rolling process increases the steel’s toughness and ductility. Hot-rolled steel is ideal for extrusions, forgings, and bending applications.
Hot-rolled steel is used for pipes and tubing, construction, vehicle frames, and applications where tight tolerances are not required.
Cold-Rolled Sheet Metal
Yield strength is higher than hot-rolled steel. It is ideal for applications that require accurate dimensions and increased strength.
With its smooth finished surface, it is ideal for applications including structural parts, metal furniture, or small appliances.

Examples of Use
On accuracy and processing process
Steel plate
The production accuracy of steel plate is usually customized according to specific needs, and many different processing technologies such as cutting, stamping, bending and welding can be used to complete the molding and connection.
Structural steel
The accuracy requirement of structural steel is quite high, but in the manufacturing process, more attention is given to the stability and safety of the overall structure. For some special parts, in order to improve their performance or extend the service life, it is necessary to ensure its better comprehensive performance, so it is necessary to machining structural steel. The manufacturing process of structural steel usually covers multiple steps, including welding, forging, hot rolling and cold rolling.
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