Gnee supplies ASTM A423 Grade 1 Corten Steel Pipes with high corrosion resistance and precise dimensions. Contact us today for the latest price and stock availability.
Looking for premium ASTM A423 Grade 1 Corten Steel Pipes for industrial, marine, or chemical applications? Gnee is a trusted manufacturer and exporter of A423 Grade 1 Corten Steel Pipes. Our pipes feature excellent corrosion resistance, high durability, and accurate dimensional tolerance.
Corten steel ASTM A423 Grade 1 is specially designed for weathering resistance. Alloying with copper, chromium, and nickel enhances oxidation resistance, reduces pitting, and ensures long-term performance under corrosive atmospheric or chemical environments. Our ASTM A423 pipes are suitable for marine structures, offshore platforms, chemical plants, power generation, and industrial boilers.
ASTM A423 Grade 1 Corten Steel Pipe Specifications
| Property | Specification |
|---|---|
| Pipe Standard | ASTM A423 GR.1, ASME SA423, ASTM A847, ASTM 588, ASTM 606 |
| Tube Shapes | Round, Square, Rectangle, Hydraulic, Honed Tubes |
| OD Range | ½" – 16" |
| Wall Thickness (WT) | 0.9 mm – 12.7 mm |
| Length | 500 mm – 18000 mm, Single/Double Random & Cut Length |
| Ends | Plain, Beveled |
| Schedule | SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS |
| Delivery Conditions | Hot Rolled, Cold Rolled, Normalized, Quenched & Tempered |
| Additional Tests | NACE MR0175, NACE TM0177, NACE TM0284, HIC, SSC, H2 SERVICE, IBR |
Chemical Composition
| Element | Grade 1 Max % |
|---|---|
| C | 0.15 |
| Mn | 0.55 |
| P | 0.06–0.16 |
| S | 0.060 |
| Si | 0.10 min |
| Cu | 0.20–0.60 |
| Cr | 0.24–1.31 |
| Ni | 0.20–0.70 |
These controlled chemical levels ensure high corrosion resistance, weldability, and mechanical strength, perfect for both atmospheric and chemical exposure conditions.
Mechanical Properties
| Property | ASTM A423 Grade 1 |
|---|---|
| Yield Strength ReH (MPa) | 355 |
| Tensile Strength Rm (MPa) | 470–630 |
| Elongation A % | ≥20 |
The high tensile and yield strength makes A423 Grade 1 Corten Pipes suitable for pressure-containing systems, heat exchangers, condensers, and offshore applications.
Applications of ASTM A423 Grade 1 Corten Steel Pipes
- Pharmaceutical Equipment – corrosion-resistant piping
- Off-Shore Oil Drilling – durable seawater-resistant structures
- Chemical & Petrochemical Plants – piping under acidic or caustic media
- Power Generation & Boilers – high-temperature and pressure applications
- Sea Water Equipment – piping, valves, and heat exchangers
- Pulp & Paper Industry – resistant to chemical corrosion
- Gas Processing & Specialty Chemicals – structural and transport piping
Quality Assurance & Stock Availability
Gnee maintains ready stock of ASTM A423 Grade 1 Corten Pipes in major dimensions and schedules. Our pipes undergo:
- Hydrostatic and non-destructive tests
- NACE TM0177 / TM0284 / MR0175, H2 SERVICE, SSC, HIC
- Precise dimensional inspection
- CNC cutting, beveling, threading, and surface treatment (pickling, shot blasting)
We offer bulk and custom orders with environmentally safe packaging for damage-free delivery.
ASTM A423 Grade 1 Corten Steel Pipes from Gnee deliver superior corrosion resistance, high durability, and accurate dimensions for marine, industrial, and chemical applications. With ready stock, certified testing, and global delivery, Gnee ensures you get the best Corten steel pipes for your project.
Contact us now for the latest ASTM A423 Grade 1 Corten Steel Pipe price list and stock availability.
Contact us now for the latest ASTM A423 Grade 1 Corten Steel Pipe price list
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.
