Gnee supplies ASTM A423 Grade 1 Corten Steel ERW Tubes with high corrosion resistance, durability, and dimensional accuracy. Contact us now for the latest price and stock availability.
Looking for high-quality ASTM A423 Grade 1 Corten Steel ERW Tubes for industrial or marine applications? Gnee is a leading manufacturer, supplier, and exporter of A423 Grade 1 Corten Steel Tubes. Our tubes feature accurate dimensions, premium surface finish, and excellent durability.
ASTM A423 Grade 1 Corten Steel ERW Tubes
ASTM A423 Grade 1 ERW tubes are ideal for highly corrosive atmospheres, such as marine transportation, industrial boilers, air preheaters, and heat exchangers.
The alloying of carbon, phosphorus, manganese, sulfur, copper, silicon, chromium, and nickel provides improved oxidation resistance, crevice corrosion resistance, and stress corrosion cracking resistance, ensuring long-term service life under harsh conditions.
ASTM A423 Grade 1 Corten Steel ERW Tubes Specifications
| Property | Specification |
|---|---|
| Tube Type | Seamless, ERW, Electric Fusion Welded, Welded, Fabricated |
| Rolling Type | Hot Finished / Cold Finished |
| Wall Thickness (WT) | 0.9 mm – 12.7 mm |
| Outer Diameter (O.D.) | 12.7 mm – 127 mm |
| Length | 500 mm – 18000 mm |
| Ends | Plain, Beveled, Burr-Free, Square Cut |
| Surface Finish | Annealed & Pickled, 180G / 320G / 400G Satin, 400G / 500G / 800G Mirror Finish |
| Schedule | SCH 5, 10, 20, 40, 80, 120, XXS |
| Delivery Conditions | Cold Drawn, Normalized, Hot Rolled, Quenched & Tempered, Normalizing Rolled |
| Packaging | Plastic Wrap, Bundled, Loose, Wooden Box, Pallet |
Chemical Composition of A423 Grade 1 Corten Steel ERW Tubes
| Element | Max / Min % |
|---|---|
| C | 0.15 max |
| Mn | 0.55 max |
| P | 0.06–0.16 |
| S | 0.060 max |
| Si | 0.10 min |
| Cu | 0.20–0.60 |
| Cr | 0.24–1.31 |
| Ni | 0.20–0.70 |
The carefully controlled chemical composition ensures excellent corrosion resistance, mechanical strength, and weldability for demanding industrial applications.
Mechanical Properties of A423 Grade 1 Corten Steel ERW Tubes
| Property | ASTM A423 / SA423 Grade 1 |
|---|---|
| Tensile Strength (MPa) | ≥ 415 |
| Yield Strength (MPa) | ≥ 255 |
| Elongation (%) | ≥ 30 |
These properties guarantee high durability under pressure and temperature, making A423 Grade 1 tubes suitable for boilers, economizers, APH units, and chemical industries.
Applications of A423 Grade 1 Corten Steel ERW Tubes
- Marine Transportation – hull structures, decks, and offshore equipment
- Industrial Boilers & Steam Generation – corrosion-resistant boiler tubes
- Air Preheater (APH) Units – thermal efficiency and durability
- Heat Exchangers & Economizers – resistance to acidic and corrosive environments
- Fossil Fuel & Cogeneration Plants – industrial piping and pressure-containing components
These tubes are widely used in industries requiring corrosion resistance, high strength, and long-term reliability.
Quality Assurance & Value-Added Services
Gnee provides strict quality control for every ASTM A423 Grade 1 ERW tube:
- Hydrostatic, HIC, SSC, NACE TM0177/TM0284, and H2 service tests
- Destructive and non-destructive testing
- CNC cutting, drilling, tapping, and water-jet cutting
- Surface treatments: shot blasting, sand blasting, galvanizing
- Machining, heat treatment, and forming (round, square, rectangle)
Packaging ensures damage-free delivery using plastic wraps, wooden boxes, bundles, or pallets.
ASTM A423 Grade 1 Corten Steel ERW Tubes from Gnee provide corrosion resistance, high durability, and precise dimensions, suitable for marine, boiler, and industrial applications. With ready stock, value-added services, and global delivery, Gnee is your trusted partner for high-quality Corten steel tubes.
Contact us for the latest ASTM A423 Grade 1 Corten Steel ERW Tubes price list and stock availability.
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.
