
Metal Materials.
Metal Materials Wholesale – Steel, Aluminum, Copper & Metal Products | SIYUNJO INTERNATIONAL
About This Category
Our Metal Materials line supplies essential metal products for construction, manufacturing, and industrial applications. Sourced from China’s leading steel and metal production bases in Hebei, Jiangsu, Shandong, and Guangdong provinces, these products meet international material standards including ASTM, EN, JIS, and GB.
Wholesale metal materials including structural steel, steel pipes, aluminum profiles, copper tubes, stainless steel sheets and metal roofing. ISO certified. MOQ from 10 tons. Factory-direct pricing.
SIYUNJO INTERNATIONAL
Product Range:
1. Steel Products
· Carbon steel: hot rolled/cold rolled sheets, coils, plates, bars, pipes
· Galvanized steel: sheets, coils, pipes, profiles, corrugated roofing sheets
· Steel profiles: I-beams, H-beams, angle steel, channel steel, square tubes
· Steel pipes: seamless pipes, welded pipes, galvanized pipes, spiral pipes
· All steel products meet ASTM, BS, DIN, and Chinese GB standards
2. Stainless Steel Products
· Stainless steel sheets, coils, plates (304, 304L, 316, 316L, 430 grades)
· Stainless steel pipes: seamless, welded, decorative, industrial
· Stainless steel bars, rods, wires, and profiles
· Stainless steel fittings and flanges
· Corrosion-resistant, suitable for food, medical, and industrial applications



3. Aluminum Products
· Aluminum extrusion profiles (6061, 6063 alloys) for construction and industrial use
· Aluminum sheets, coils, plates, foils (1050, 1060, 3003, 5052, 6061 alloys)
· Aluminum pipes, tubes, bars, and rods
· Aluminum composite panels and decorative aluminum products
· Lightweight, corrosion-resistant, excellent strength-to-weight ratio
4. Copper & Other Non-Ferrous Metals
· Copper sheets, coils, pipes, bars, and wires (99.9% pure copper)
· Brass and bronze products: sheets, pipes, bars, fittings
· Zinc, lead, and tin products for industrial applications
· Aluminum alloy and magnesium alloy products
· Suitable for electrical, plumbing, and industrial applications
5. Specialty Metal Products
· Galvanized and PVC coated wire mesh, fencing, and grating
· Expanded metal, perforated metal, and wire cloth
· Metal fasteners: screws, bolts, nuts, washers, anchors
· Custom metal fabrication and stamping services
· Custom sizes and specifications available upon request
Technical Specifications Table:
| Material | Grade/Alloy | Key Specifications | Application |
| Carbon Steel Plate | Q355B | Thickness 6-200mm, yield strength ≥355MPa | Structural steel, bridges, machinery |
| Stainless Steel Sheet | 304 | Thickness 0.3-10mm, 2B/BA/No.4/8K finishes | Kitchen equipment, decoration, chemical industry |
| Aluminum Extrusion Profile | 6063-T5 | Custom shapes, powder coated/anodized finishes | Windows, doors, curtain walls, industrial frames |
| Copper Pipe | C11000 | Diameter 6-100mm, 99.9% pure copper | Plumbing, refrigeration, electrical systems |
| Galvanized Steel Pipe | Q235 | Diameter 15-300mm, zinc coating 80-275g/m² | Construction, plumbing, fencing, structural applications |
| Product | Key Specifications | MOQ | FOB Price |
| H-Beam Steel | H100-H900, S235/S275/S355, 6-12m, hot-rolled | 50 tons | $550 – $750/ton |
| Steel Pipe ERW | 20-610mm OD, 2-20mm wall, API 5L/ASTM A53, black/galvanized | 25 tons | $600 – $900/ton |
| Aluminum Profile 6063-T5 | Custom shapes, 20-200mm, anodized/powder-coated, 6m length | 10 tons | $2,500 – $4,000/ton |
| Stainless Steel Sheet 304/316 | 0.5-6mm thickness, 1000/1219/1500mm width, 2B/BA/HL finish | 10 tons | $2,000 – $4,000/ton |
| Color Coated Steel Coil | 0.3-1.2mm, 1000-1250mm, PE/PVDF/SMP coating, 20+ colors | 25 tons | $700 – $1,200/ton |
Applications:
· Construction and building structure
· Manufacturing and industrial production
· Automotive and transportation industries
· Electrical and electronic applications
· Plumbing and HVAC systems
· Food processing and pharmaceutical equipment
· Architectural decoration and design


Need metal materials? Contact claire@siyunjo.com for specifications and volume pricing.