OneSteelMetals | Premium Carbon, Alloy, Stainless Steel & Aluminum Supplier from China

About OneSteelMetals

OneSteelMetals is a trusted manufacturer, supplier, and exporter of structural steel and aluminum products based in Shanghai, China. With years of industry experience, we specialize in producing high-quality carbon steel, alloy steel, stainless steel, and aluminum materials that meet international standards including Austrian, New Zealand, British, and American specifications.

Our product range includes universal beams, columns, channels, angle bars, hollow sections, plates, and custom-fabricated steel components. We serve clients across construction, engineering, infrastructure, and industrial sectors with reliable supply and precision manufacturing.

50+

Countries Served

15+

Years Experience

10K+

Tons Monthly Output

Our Product Range

We offer a comprehensive range of structural steel and aluminum products in various grades, sizes, and international standards.

Galvanized Rectangular Hollow Section

High-strength galvanized steel tube with excellent corrosion resistance. Ideal for structural framing and construction.

• Material: Carbon Steel
• Finish: Hot-Dip Galvanized
• Standards: ASTM, JIS, EN

Galvanized Square Hollow Section

Durable square steel tube with uniform wall thickness. Suitable for scaffolding, fencing, and support structures.

• Material: Mild Steel
• Finish: Hot-Dip Galvanized
• Sizes: 20x20mm to 200x200mm

Hot-Dip Galvanized H Beam (HEB)

Heavy-duty structural beam with superior load-bearing capacity. Corrosion-resistant finish for long-term durability.

• Standard: European (HEB)
• Coating: Zinc Galvanized
• Applications: Construction, Bridges

Galvanized Round Steel Pipes

Precision-engineered round pipes with smooth finish. Used in plumbing, structural supports, and mechanical applications.

• Material: Carbon Steel
• Finish: Hot-Dip Galvanized
• Diameter: 1/2" to 24"

Stainless Steel Rebar

Corrosion-resistant reinforcing bar for concrete structures in aggressive environments. Long-lasting and low maintenance.

• Grade: 304, 316, 2205
• Standards: ASTM A955
• Diameters: 6mm to 50mm

Mild Steel Angle Bar

L-shaped structural steel with consistent dimensions. Used in framing, brackets, and support systems.

• Material: Q235, Q355
• Finish: Black, Galvanized
• Leg Size: 25x25mm to 200x200mm

Universal Beam & Column

I-section beams and columns in various standards (American W, British UB/UC, European IPE/HEB). High strength-to-weight ratio.

• Standards: ASTM, BS, EN
• Materials: S235, S355, A36
• Custom lengths available

Stainless Steel Pipe

High-purity stainless steel pipes for chemical, food, and architectural applications. Excellent corrosion and heat resistance.

• Grades: 304, 316, 321
• Finish: BA, 2B, No.4
• Seamless & Welded Options

Galvanized C & Z Purlins

Cold-formed structural members for roof and wall support in industrial buildings. Lightweight and easy to install.

• Material: SGCC, DX51D
• Thickness: 1.5mm to 4.0mm
• Custom profiles available

Aluminum Plate & Diamond Sheet

Lightweight aluminum sheets with anti-slip pattern. Ideal for marine, transportation, and decorative applications.

• Alloy: 1060, 3003, 5052, 6061
• Temper: H14, H24, T6
• Thickness: 1mm to 100mm

Steel Round Bar

Precision-ground carbon and alloy steel bars for machining, shafts, and mechanical components. High dimensional accuracy.

• Grades: SAE 1018, 1045, 4140
• Diameter: 10mm to 500mm
• Surface: Black, Peeled, Ground

Stainless Steel Channel

C-shaped stainless steel section with excellent strength and corrosion resistance. Used in framing and support systems.

• Grades: 304, 316
• Standards: ASTM, JIS
• Sizes: 50x30mm to 300x100mm

Frequently Asked Questions

What materials do you supply?

We supply carbon steel, alloy steel, stainless steel, and aluminum products in various forms including structural sections, plates, bars, pipes, and custom-fabricated components.

Do you offer custom manufacturing?

Yes, we can produce structural steel sections and components according to your drawings, specifications, or international standards. Contact us with your requirements.

What standards do your products meet?

Our products comply with ASTM (American), BS (British), EN (European), JIS (Japanese), and GB (Chinese) standards. We can manufacture to your required specification.

How do you ensure product quality?

We implement strict quality control at every stage—from raw material inspection to final product testing. All shipments include mill test certificates (MTC) and inspection reports.

What is your delivery time?

Typical lead time is 15–30 days after order confirmation, depending on product type, quantity, and destination. We provide shipping updates throughout the process.

Can I get samples before placing an order?

Yes, we provide free samples for quality evaluation. Shipping costs may apply depending on your location.

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