Looking for high-quality ASTM A423 Grade 1 Corten Steel Tube? GNEE is a leading manufacturer of seamless and electric-resistance welded (ERW) low-alloy steel tubes.
Our ASTM A423 GR 1 tubes are corrosion-resistant, durable, and develop a unique rust-like patina over time. They are ideal for industrial, marine, and architectural applications where long-term reliability is critical.
ASTM A423 Grade 1 Corten Steel Tube
Whether you need tubes for economizers, heat exchangers, boilers, or power plants, GNEE provides customization options to meet your specific project requirements.
ASTM A423 Grade 1 Corten Steel Tube Specifications & Standards
GNEE offers seamless and electric welded ASTM A423 GR 1 Corten Steel Tubes with a variety of sizes, wall thicknesses, and lengths:
Standards: ASTM A423 M-89 / ASME SA423 / ASTM A423M-89 / ASME SA423
Diameter Range: ½" OD to 16" OD (12.7 mm to 406.4 mm)
Wall Thickness: 0.035" to 0.500" (0.9 mm to 12.7 mm), other thicknesses available on request
Length: Single Random, Double Random, and Custom Sizes
Type: Round, Square, Rectangle, Seamless, ERW Tubes
Ends: Plain, Beveled, Threaded
Material: Weathering Steel (Corten Steel)
These tubes comply with minimum wall thickness requirements for pressure-containing parts and are suitable for corrosive environments.
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 |
This composition improves oxidation resistance, pitting resistance, crevice resistance, and stress corrosion cracking resistance, making it ideal for 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 |
Mechanical properties can be specified when ordering, ensuring that your tubes meet project-specific requirements for pressure, temperature, and structural performance.
ASTM A423 GR 1 Tubes – Size & Wall Thickness Table
| Outside Diameter (in/mm) | Wall Thickness (in/mm) | Type |
|---|---|---|
| ½" – 5" (12.7–127 mm) | 0.035 – 0.500 (0.9–12.7 mm) | Seamless / ERW |
| Custom sizes available | Custom wall thickness | OEM Tubes |
These specifications allow seamless integration into economizers, heating tubes, condensers, and complex pipelines.
Applications of ASTM A423 Grade 1 Corten Steel Tubes
GNEE ASTM A423 GR 1 tubes are used across industries requiring high corrosion resistance and structural integrity:
Air Preheaters and Boilers
Steam Generating & Condensate Systems
Power Generation Plants & Fossil Fuel Plants
Petrochemical & Chemical Processing
Sugar Mills & Highly Corrosive Environments
Marine Transportation Pipelines
Their natural rust patina prevents further corrosion, reducing maintenance costs and extending service life.
Why Choose GNEE for ASTM A423 GR 1 Corten Steel Tubes
- Ready Stock: Large inventory ensures fast delivery
- Customization: OEM sizes, wall thicknesses, and lengths
- Certified Quality: ISO & API certified; supports SGS/BV/Lloyd's inspection
- Durable & Maintenance-Free: Rust patina naturally protects the material
- Safe Packaging: Designed for seaworthy shipping
GNEE is your trusted supplier of ASTM A423 Grade 1 Corten Steel Tubes, providing seamless and ERW low-alloy tubes for industrial, marine, and power applications. With superior corrosion resistance, customization options, and fast delivery, our tubes ensure long-term reliability.
Contact us for latest 304-stainless-steel-pipe price list to request 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.
