Looking for premium ASTM A423 Grade 1 Corten Steel Tube? GNEE is a leading manufacturer of high-quality weathering steel tubes. ,
Our ASTM A423 GR 1 Corten Steel Tubes are engineered for durability, corrosion resistance, and a unique rust-like appearance that develops naturally over time. This makes them ideal for industrial, marine, and architectural applications requiring long-term performance without protective coatings.
ASTM A423 Grade 1 Corten Steel Tube
Whether for oil and gas pipelines, heat exchangers, or power plants, GNEE provides reliable tubes in various sizes and wall thicknesses to meet project requirements.
ASTM A423 Grade 1 Corten Steel Tube Specifications & Size Options
GNEE offers ASTM A423 GR 1 Corten Steel Tubes in multiple shapes, sizes, and lengths to suit diverse industrial applications:
Diameter: ½" OD to 16" OD
Standards: ASTM A423 / ASME SA423
Grade: ASTM A423 GR 1 / ASME SA423 GR 1
Type: Round, Square, Rectangle, ERW, Seamless Tubes
Length: Single Random, Double Random & Custom Sizes
Pipe Ends: Plain End, Beveled End, Threaded End
Material Type: Weathering Steel (Corten Steel)
These tubes provide easy installation, excellent corrosion resistance, and strength for complex pipelines and high-pressure applications.
Chemical Composition of ASTM A423 Grade 1 Corten Steel Tubes
| Grade | C | Si | Mn | P | S | Cu | Others |
|---|---|---|---|---|---|---|---|
| Corten A | 0.12 | 0.25–0.75 | 0.20–0.50 | 0.07–0.15 | 0.030 | 0.25–0.55 | Al, Cr, Ni trace elements |
The carefully controlled chemical composition enhances oxidation resistance, stress corrosion cracking resistance, and pitting resistance in harsh environments.
Mechanical Properties of ASTM A423 GR 1 Corten Steel Tubes
| Grade | Yield Strength (MPa, min) | Tensile Strength (MPa) | Elongation (%) |
|---|---|---|---|
| Corten A | 355 | 470–630 | 20 |
The ASTM A423 GR 1 ERW and seamless tubes are strong, easy to weld, and maintain structural integrity even in high-temperature and high-pressure industrial conditions.
Applications of ASTM A423 Grade 1 Corten Steel Tubes
GNEE ASTM A423 GR 1 Corten Steel Tubes are widely used in industries such as:
Marine transportation pipelines
Air preheater units in boilers
Steam and condensate systems
Power generation and fossil fuel plants
Petrochemical and chemical processing
Sugar mills and highly corrosive plants
Their natural rust patina protects the material's core from further corrosion, reducing maintenance and extending service life.
What is Weathering Steel (Corten Steel)?
Weathering steel, like ASTM A423 Grade 1, is a carbon steel alloy that develops a stable oxide layer when exposed to the atmosphere. Once this patina forms, the material's core resists corrosion for extended periods. This makes it perfect for outdoor, industrial, and marine applications where long-term durability is essential.
Why Choose GNEE for ASTM A423 Grade 1 Corten Steel Tubes
- Extensive Stock: Large inventory for fast delivery
- Customization: OEM sizes, lengths, diameters, wall thickness
- Certified Quality: ISO & API certified; supports third-party inspection (SGS/BV/Lloyd's)
- Durable & Maintenance-Free: Rust patina forms naturally, preventing further corrosion
- Safe Packaging: Designed for seaworthy shipping
GNEE is your trusted supplier of ASTM A423 Grade 1 Corten Steel Tubes, offering corrosion-resistant, weathering steel for industrial, marine, and power applications. With customization options, certified quality, and fast shipment, our tubes deliver long-term reliability and performance.
Contact us for latest ASTM A423 Grade 1 steel pipe price list to get your 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.
