Durable Corten & High-Strength Solutions for ISO Containers, Modular Buildings, and Cargo Units

Product Overview‌

Our shipping container steel plate are specially designed and manufactured for ISO containers, offering excellent corrosion resistance, welding performance, and long-term durability in marine environments. As a trusted shipping container steel plate supplier, CJM Steel provides Corten A/B and equivalent grades that meet international container manufacturing standards.

Shipping container steel plate (also called Corten container plates) are weather-resistant structural steel plates used in the manufacturing of standard shipping containers, storage containers, and container-based structures. The material features high tensile strength, outstanding anti-corrosion capability, and excellent impact resistance – even at low temperatures.

Available Grades & Standards

• Corten A / Corten B
• SPA-H (JIS G3125)
• ASTM A588 / A242
• Equivalent grades for ISO container manufacturing

All materials comply with ISO and related container standards, ensuring global shipping safety and structural reliability.

Key Benefits of Shipping Container Steel Plates

Shipping containers face constant challenges from marine environments, heavy loading, and frequent handling. Our shipping container steel plates are designed to deliver long-term durability, structural reliability, and cost efficiency in demanding conditions.

• Superior corrosion resistance for extended service life in coastal and marine transport
• Excellent weldability to ensure secure assembly and easy repairs
• High tensile and yield strength to handle stacking, lifting, and heavy cargo
• Impact resistance to withstand loading and unloading operations
• Versatile applications including ISO shipping containers, modular units, equipment housings, and prefabricated container buildings

CJM’s Shipping Container Steel Plate meets global standards and is exported for container manufacturing across Asia, Africa, South America, and Europe.

Common Grades for Container Steel Plate

Grade	Standard	Typical Use Case
SPA-H / SPA-C	JIS G3125	Widely used in Japanese and SEA container factories
Q355NH / Q295NH	GB/T 4171	Popular in China and Belt & Road markets
Corten A / B	ASTM A242/A606	Used in architectural container conversions
ASTM A588 Gr.A	ASTM A588	Ideal for corrosion-prone outdoor containers
S355J2W / S355JOW	EN 10025-5	Preferred in European container projects

Product Dimensions & Technical Data

Specification Item	Available Range
Thickness	1.6 – 12 mm
Width	1000 – 2200 mm
Length (cut-to-size)	2000 – 12000 mm
Coil Weight	5 – 25 tons
Delivery Condition	Hot rolled, pickled, mill finish
Surface Treatment	Oiled / Shot-blasted / Rust-proofed

Mechanical Properties

Grade	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)
Q355NH	≥ 355	470–630	≥ 20
SPA-H	≥ 355	490–610	≥ 20
Corten B	≥ 345	470–630	≥ 20
A588 Gr.A	≥ 345	485–620	≥ 20

Chemical Composition

Grade	C (%)	Si (%)	Mn (%)	P (%)	S (%)	Cr (%)	Cu (%)	Ni (%)
Q355NH	≤0.12	≤0.55	≤1.5	0.09–0.15	≤0.03	0.4–0.6	0.25–0.4	≤0.65
SPA-H	≤0.12	≤0.3	≤1.6	≤0.035	≤0.035	≥0.4	≥0.2	≤0.65
Corten A	≤0.12	0.25–0.75	≤0.6	≤0.04	≤0.05	0.4–0.65	0.25–0.55	≤0.65
A588 Gr.A	≤0.19	≤0.4	≤1.35	≤0.04	≤0.05	0.4–0.65	0.25–0.4	≤0.4

Applications of Shipping Container Steel Plate

• Manufacturing ISO shipping containers
• Container repair and refurbishment
• Offshore container modules
• Prefabricated container houses and kiosks

Learn more about our full range of weathering steel products on our category page:
👉 Weathering Steel Plate

Why Choose Us?

With years of experience in supplying shipping container steel plate to global customers, we provide:

• Stable supply and competitive pricing
• Multiple grades and specifications in stock
• Export packaging and fast delivery to Southeast Asia, Middle East, Africa, Europe, and Americas

Factory & Equipment‌

Packaging & Logistics‌

• Standard Export Packaging‌: Waterproof paper + steel straps + wooden pallets.
• Flexible Options‌: OEM packaging or bulk shipments.
• Global Logistics‌: FOB, CIF, or door-to-door delivery with real-time tracking.

Request a Quote

Looking for high-quality shipping container steel plate for your project?
Contact CJM Steel today for pricing, technical support, and fast delivery.

Q: What is your company’s main products/services?

A: We are a professional manufacturer for Carbon Steel, Alloy Steel and Profile products. We have the experience of steel business for more than 10 years and our products are exported to Mid East,South America,Southeast Asia,Africa,South and East Asia etc.

Q: Can I go to your factory for a visit?

A: Of course, we welcome customers from all over the world to visit our factory.

Q: What are your terms of payment?

A: 30% T/T deposite and 70% balance before shipment.

Q: What is your delivery time?

A: For stocks,we could transport the goods to loading port within 7 days after we received the deposit; For production,it usually takes about 15-30 days after receiving the deposit.

Q: Do you provide samples? Are they free or paid?

A: Samples are available for free,but the courier freight will be covered by customer account.

Q: Do you accept the third party inspection?

A:Yes, we fully accept ‌third-party inspections.

Q: Why should I buy from you not from other suppliers?

A: Integrating the superior resources of China’s steel industry, we provide customers with high-quality steel products at preferential prices, and can ensure that the goods are delivered to customers in a timely manner.

Q:How can you guarantee quality?

A: Always a pre-production sample before mass production;Always 100% inspected before shipment