🟪 Product Overview

Weathering Steel Plate—commonly known as Corten Steel—is designed to resist atmospheric corrosion through the formation of a stable, protective oxide layer. This natural patina eliminates the need for painting and provides long‑term durability in outdoor environments.

Weathering steel offers:

• Superior resistance to atmospheric corrosion
• Long service life with minimal maintenance
• Excellent weldability and formability
• Aesthetic rust‑brown appearance for architectural use

It is widely used in bridges, architectural façades, outdoor sculptures, containers, railway vehicles, and industrial outdoor equipment.

🟪 Product Specifications

• Thickness: 2 – 200 mm
• Width: 1500 – 3000 mm
• Length: Custom lengths available
• Delivery Conditions:
  • Hot Rolled
  • Normalized
  • Weathering‑Grade Heat Treatment

🟪 Key Features

• Excellent atmospheric corrosion resistance
• Self‑protecting rust layer reduces maintenance
• High strength and good toughness
• Good weldability and formability
• Suitable for long‑term outdoor exposure

🟪 Included Grades

ASTM / ASME

• A588 (Grade A / B / C / K)
• A242 (Type 1 / Type 2)

EN 10025‑5

• S355J0W
• S355J2W
• S355K2W

JIS G3125

• SPA‑H

GB / Chinese Standard

• Q295NH
• Q355NH
• Q355GNH

🟪 Mechanical Properties (Typical)

Grade	Yield Strength	Tensile Strength	Elongation	Notes
A588 Gr A	≥345 MPa	485–620 MPa	≥20%	High atmospheric corrosion resistance
A242 Type 1	≥345 MPa	480–620 MPa	≥20%	Structural weathering steel
S355J2W	≥355 MPa	470–630 MPa	≥22%	EN weathering steel
SPA‑H	≥355 MPa	490–610 MPa	≥21%	JIS weathering steel
Q355GNH	≥355 MPa	490–630 MPa	≥20%	GB weathering steel

🟪 Chemical Composition (Typical)

Grade	C (%)	Mn (%)	Si (%)	Cr (%)	Cu (%)	Ni (%)	Notes
A588	≤0.19	0.80–1.25	0.15–0.50	0.40–0.65	0.25–0.40	≤0.40	Classic Corten steel
A242	≤0.15	0.50–1.35	0.25–0.75	0.40–0.60	0.20–0.40	≤0.50	High corrosion resistance
S355J2W	≤0.16	0.50–1.50	0.30–0.50	0.40–0.80	0.25–0.55	≤0.65	EN weathering steel
SPA‑H	≤0.12	0.20–1.60	0.25–0.75	0.30–1.25	0.20–0.60	≤0.65	JIS weathering steel
Q355GNH	≤0.12	0.50–1.60	0.20–0.65	0.40–1.20	0.20–0.60	≤0.65	GB weathering steel

🟪 Physical Properties (General)

• Density: ~7.85 g/cm³
• Modulus of Elasticity: ~210 GPa
• Thermal Expansion Coefficient: ~11–13 × 10⁻⁶ /K
• Corrosion Resistance: Very high in atmospheric environments

🟪 Applications

• Bridges and structural components
• Architectural façades and decorative panels
• Outdoor sculptures and landscape design
• Shipping containers
• Railway vehicles
• Industrial outdoor equipment
• Weather‑resistant building panels

🟪 Why Use It

Weathering steel provides a self‑protecting, maintenance‑free solution for outdoor structures. Its stable rust layer significantly reduces corrosion rates, extending service life and lowering lifecycle costs.

🟪 Why Choose Jaron Steel

• Full range of global weathering steel grades
• ASTM / EN / JIS / GB certified materials
• Precision cutting, bending, and fabrication services
• SGS / BV / TUV inspection available
• Export‑grade seaworthy packaging