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Cold-Formed Rectangular Steel Tube
Rectangular steel tube with a cold-formed hollow section, uniform wall thickness, good fabrication performance, and efficient strength-to-weight performance.
| Material: | Q235B/Q235C/Q355B/Q355C/Q355ND; ASTM A36/A572 Gr50; EN S235/S355 series; JIS SS400/SM490; Russian St and 09G2S grades; stainless steel available |
| Dimensions: | Standard sizes in stock; large-diameter and thin-wall custom sizes available |
| Length: | Standard 6 m, 9 m, and 12 m; cutting, beveling, and hole processing available |
| Surface: | Hot-rolled black, bright cold-drawn, hot-dip galvanized, or polished finish available |
Product Features
- High-frequency welded cold forming creates a rectangular hollow section with uniform wall thickness.
- Straight edges and regular corners support cutting, punching, bending, and welding.
- Lightweight hollow design reduces material use while maintaining good load capacity and stability.
- Painting, galvanizing, and shot-blasting treatments support a wide range of indoor and outdoor environments.
Common Specifications
- Material: Q235B/Q235C/Q355B/Q355C/Q355ND; ASTM A36/A572 Gr50; EN S235/S355 series; JIS SS400/SM490; Russian St and 09G2S grades; stainless steel available
- Dimensions: Standard sizes in stock; large-diameter and thin-wall custom sizes available
- Length: Standard 6 m, 9 m, and 12 m; cutting, beveling, and hole processing available
- Surface: Hot-rolled black, bright cold-drawn, hot-dip galvanized, or polished finish available
Applications
- Factory columns, equipment supports, platform frames, and curtain-wall secondary members
- Sunrooms, railings, door/window frames, and outdoor decorative structures
- Heavy warehouse racks, machinery bases, and conveyor supports
- Road guardrails, footbridge supports, and small steel load-bearing structures
