SMA400AW Weathering Steel Plate
SMA400AW Weathering Steel offers outstanding weather resistance, maintaining excellent performance in various harsh natural environments over the long term. Whether exposed to wind, rain, or intense sunlight, it remains durable and corrosion-resistant. This superior performance is achieved through specialized alloy composition and advanced manufacturing processes, ensuring exceptional durability against nature's challenges.
SMA400AW steel plate is a kind of hot rolled atmospheric corrosion resisting steel. SMA400AW steel has added phosphorous which makes the material best suited for gas flue application.
SMA400AW Weathering Steel offers outstanding weather resistance, maintaining excellent performance in various harsh natural environments over the long term. Whether exposed to wind, rain, or intense sunlight, it remains durable and corrosion-resistant. This superior performance is achieved through specialized alloy composition and advanced manufacturing processes, ensuring exceptional durability against nature's challenges.
SMA400AW steel delivery condition can be hot rolled, Cold rolled, AR/CR/N/TMCP/T/QT as the customer's request, SMA400AW steel material can be produced as SMA400AW steel plate, SMA400AW steel sheet, SMA400AW steel bar, SMA400AW section steel, SMA400AW structural shapes.
SMA400AW steel plate specification:
Thickness: 3mm to 200mm,
Wide: 1000mm to 4100mm
Length: 1000mm to 12000mm
Grade : SMA400AW
Classification: Corrosion-resisting / heat-resisting steel
Standards: JIS G 3114 : Hot-rolled atmospheric corrosion resisting steels for welded structure
Applications: Steel plates/sheets, steel strips in coil, sections and flats. Applicable thickness max. 200 mm
SMA400AW weathering steel plate chemical composition
|
Grade |
C ≤ |
Si |
Mn ≤ |
P ≤ |
S ≤ |
Cu |
Cr |
Ni |
Ce ≤ |
|
SMA400AW |
0.18 |
0.15~0.65 |
1.25 |
0.035 |
0.035 |
0.30~0.50 |
0.45~0.75 |
0.05~0.30 |
- |
SMA400AW corten steel material mechanical property
|
Min Yield Strength ( MPa ) |
Tensile Strength |
Elongation A% |
|||||
|
Thickness of plates and sections (mm) |
|||||||
|
≤16 |
16＜t ≤40 |
40＜t≤75 |
75＜t≤100 |
100＜t≤160 |
160＜t≤200 |
400-540 |
22 min |
|
245 |
235 |
215 |
215 |
205 |
195 |
||
SMA400AW corten weathering steel Products Details
Delivery conditions of SMA 400AW weathering steel can be categorized as hot rolled, cold rolled, normalized, quenched, tempered, and thermo-mechanically controlled process (TMCP).JIS SMA 400 AW weathering steel has a wide range of applications, and is the best product for the manufacture of agricultural wagons and railroad wagons, bridge structures, water pipes, fans, chimneys, and boilers.
The natural surface of SMA 400 AW weathering steel usually does not require any form of maintenance such as painting, which makes the material a cost-effective alternative to other structural steels. It is mainly used for tanks, containers, bridges, frame structures, vehicles and other constructions with welding and bolting requirements.
SMA400AW steel specifications: thickness 3mm ~ 200mm; width 1000mm ~ 4100mm; length 1000mm ~ 12000mm.
JIS G3114 SMA400AW, SMA400BW, SMA400CW Weather Resistant Steel Plate
1.SMA400AW, SMA400BW, SMA400CW Weathering Steels
These corrosion-resistant steels comply with the Japanese standard JIS G3114:2004. They feature rust-resistant properties, which extend the service life of structural components, reduce material thickness, lower maintenance costs, and conserve energy. These benefits make them advantageous for both manufacturers and end-users.
Primary Applications:
Containers (e.g., shipping containers)
Railway vehicles (e.g., freight cars, passenger coaches)
Oil & gas structures (e.g., drilling rigs, offshore platforms)
Port and marine constructions (e.g., harbor facilities)
Chemical & petrochemical equipment (e.g., vessels exposed to H₂S corrosion environments)
2. Chemical Composition of SMA400AW, SMA400BW, SMA400CW Steel (wt.%)
C (Carbon): 0.12–0.21
Si (Silicon): 0.2–2.0
Mn (Manganese): 0.7–2.0
S (Sulfur): ≤0.036
P (Phosphorus): ≤0.034
Cu (Copper): 0.10–0.40
Al (Aluminum): <0.2
Balance: Fe and trace impurities.
3. Mechanical Properties & Testing
Tensile and yield strengths are specified in the material certificate.
Additional tests available upon customer request:
Ultrasonic inspection (UT)
Grain size analysis
4. Available Dimensions
Thickness: 8–200 mm
Width: 1600–3900 mm
Length: 6000–15000 mm
5. Heat Treatment Options
Customizable based on application requirements:
Normalizing
Tempering
Normalized rolling
Delivery without heat treatment (as-rolled)
Differences Between SMA400AW, SMA400BW, and SMA400CW Weathering Steels
Differences Between SMA400AW, SMA400BW, and SMA400CW Weathering Steels
All three steel grades (SMA400AW, SMA400BW, SMA400CW) belong to Japanese-standard corrosion-resistant steels with similar core properties and manufacturing processes. Key differences lie in subtle application variations:
1. Key Characteristics
Corrosion Resistance: Exceptional rust-proofing, extending component lifespan while reducing material thickness and energy consumption.
Chemical Composition: Primarily C, Si, Mn, S, P, Cu, Al (compliant with JIS G3114:2004).
2. Application Differences
SMA400AW:
Railway vehicles
Oil drilling rigs
Harbor structures
SMA400BW:
Overlaps with SMA400AW but optimized for specific environments (e.g., H₂S-resistant containers).
SMA400CW:
Welded structures for atmospheric corrosion resistance
Shipping containers
Offshore platforms
Petrochemical equipment
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Products Description
GNEE Group participates in foreign steel exhibitions
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