GNEE is a leading manufacturer and supplier of premium ASTM A423 GR 1 Corten steel pipes and tubes, including seamless, welded, and ERW types.
ASTM A423 GR 1 Corten steel pipes and tubes
Our ASTM A423 GR 1 pipes are designed for corrosion resistance and high-temperature performance, making them ideal for industrial, marine, architectural, and structural applications.
With strict quality control, fast delivery, and customization options, GNEE ensures your projects are supplied with durable, high-performance steel pipes.
ASTM A423 Grade 1 Steel Pipe Chemical Composition
| Element | C | Mn | P | S | Si | Cu | Cr | Ni | Mo | Sb |
|---|---|---|---|---|---|---|---|---|---|---|
| Max % | 0.15 | 0.55 | 0.06–0.16 | 0.060 | 0.10 min | 0.20–0.60 | 0.24–1.31 | 0.20–0.70 | - | - |
This composition provides excellent resistance to corrosive media such as acid, brine, and ammonia, and ensures stress corrosion cracking resistance.
Mechanical Properties of ASTM A423 GR 1 Steel Pipes
| Property | Value |
|---|---|
| Tensile Strength (MPa) | ≥ 415 |
| Yield Strength (MPa) | ≥ 255 |
| Elongation (%) | ≥ 25 |
These properties make ASTM A423 GR 1 pipes ideal for pressure-containing applications such as boilers, heat exchangers, and pipelines.
ASTM A423 Grade 1 Corten Steel Pipe Specifications
| Feature | Description |
|---|---|
| Standards | ASTM A423 GR.1, ASME SA423, ASTM A847, ASTM 588, ASTM 606 |
| Shape | Round, Square, Rectangle, Hydraulic, Honed Tubes |
| Length | Single Random, Double Random, Cut Length |
| End Type | Plain End, Beveled End |
| Material | Weathering Steel / Corten Steel |
GNEE provides both seamless and welded options with a wide range of diameters and wall thicknesses to meet your project needs.
Why Choose GNEE for ASTM A423 Grade 1 Weathering Steel Pipes
- Diverse Product Forms: Seamless, welded, ERW, prefabricated, round, square, rectangular, hydraulic, polished, threaded, plain end
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Safe & Eco-Friendly Packaging: Pipes delivered in a damage-free and environmentally friendly manner
- Customization & Flexibility: CNC cutting, custom lengths, and wall thickness
- Certified Quality: ISO & API certified, supporting third-party inspections
- Fast Delivery: Timely shipments for all international orders
Applications of ASTM A423 Grade 1 Steel Pipe
Outdoor sculptures and architectural structures
Marine transportation and intermodal container construction
Air preheater units, boilers, and heat exchangers
Petrochemical, oil & gas, and chemical plants
Power generation, nuclear power, and fossil fuel plants
Steel plants, mills, cement, breweries, and cogeneration facilities
GNEE is your trusted supplier of ASTM A423 Grade 1 Steel Pipes, offering corrosion-resistant, high-performance weathering steel for industrial, structural, and marine applications. With multiple stock forms, customization options, and reliable delivery, our pipes ensure long-term durability and project success.
Contact us for latest ASTM A423 Grade 1 Steel Pipes price list to get a quote and secure your order today!
Contact us for the latest ASTM A423 Grade 1 Corten Steel ERW Tubes
What is the chemical composition of ASTM A423 Grade 1?
The chemical compositions present in the A423 Gr 1 grade are carbon, phosphorus, manganese, sulfur, copper, and silicon. The high content of carbon, manganese, and sulfur provides improved oxidation resistance, pitting resistance to an acidic environment, crevice resistance, and stress corrosion cracking resistance.
What is SA 423 material?
ASTM A423 Weathering Steel Pipes Gr. 1 is popularly used in outdoor sculptures. ASTM A423 Corten Steel Tubes GRADE 1 is also used in bridge and other large structural applications. The chemical elements present in this Corten steel tube are carbon, phosphorus, manganese, sulfur, copper, silicon.
What are the common sizes and dimensions of ASTM A423 pipes?
ASTM A423 pipes are available in a variety of outer diameters, wall thicknesses, and lengths, depending on whether they are seamless or welded. The standard covers nominal pipe sizes ranging from 1/8 inch to 24 inches, with wall thickness and length varying according to application requirements.
What are the mechanical properties of ASTM A423 pipes?
These pipes are designed for high-temperature applications and therefore have high tensile strength, yield strength, and creep resistance. Typical properties include a tensile strength of 415–550 MPa, yield strength of 205–275 MPa, and elongation suitable for forming and welding. Exact values depend on the pipe grade and wall thickness.
Where are ASTM A423 pipes commonly used?
ASTM A423 pipes are widely used in boilers, heat exchangers, superheaters, and power plant equipment. They are ideal for piping systems carrying high-temperature steam, hot liquids, or gases, where corrosion resistance and dimensional stability under heat are required.
