SPA-H weathering steel plate has good weather resistance and can be used in the atmospheric environment for a long time without losing its strength and corrosion resistance.
The steel plate is mainly composed of elements such as copper, chromium, nickel, and phosphorus, which can form a dense oxide surface protection layer to prevent further oxidation reactions.

SPA-H weathering steel plate is commonly used in the manufacture of Bridges, containers, structures, and vehicles that require weatherability. It has excellent weather resistance, tensile strength, and toughness, suitable for use in a variety of harsh climatic conditions.
In addition, the SPA-H weathering steel plate also has good weldability and processing properties, and is easy to cut, bend, and form.
1. Good weather resistance: SPA-H weathering steel plate can be used in an atmospheric environment for a long time without losing strength and corrosion resistance.
2. High tensile strength: It has high tensile strength and good structural strength.
3. Good toughness: with good impact toughness and fracture toughness, adapts to a variety of complex engineering environments.
4. Excellent corrosion resistance: Through the formation of a dense oxide surface protective layer, with good corrosion resistance.
SPA-H steel, JIS G3125 Corten Chemical Composition (%)Compared
| C | P | S | V | ||||||
| 0.12 | 0.25-0.75 | 0.20-0.50 | 0.07-0.15 | 0.030 | 0.50-1.25 | 0.25-0.55 | - | 0.65 | |
| SPA-H | 0.12 | 0.20-0.75 | 0.60 | 0.07-0.15 | 0.035 | 0.30-1.25 | 0.25-0.50 | - | 0.65 |
| Minimumelongation A(Lo=5.65 ?So) % | |||
| 355 | 470-630 | 20 | |
| SPA-H | 355 | 490 | 22 |
1. Bridge structure: SPA-H weathering steel plate is often used to manufacture Bridges and other building structure components, can withstand complex loads and harsh climatic conditions.
2. Containers and storage tanks: Due to its weather resistance and corrosion resistance, SPA-H steel plates are widely used in the manufacture of containers, storage tanks and other storage equipment.
3. Vehicle components: SPA-H weathering steel plates can be used to manufacture structural parts for vehicles such as cars, trains and ships to provide good durability and safety.
4. Building exterior decoration: Due to its unique appearance and weather resistance, SPA-H steel plate is also commonly used in building exterior walls, facade decoration and other fields.
5. Construction machinery: SPA-H weathering steel plate is suitable for the manufacture of various construction machinery and equipment structural parts, can withstand heavy loads and harsh environment challenges.
SPA-H weathering steel plate is widely used for its excellent weather resistance and a variety of application fields.


