Definition
Metal bars (also called bar stock, solid bars) are long, solid metal semi-finished products extruded, rolled, or drawn from metal ingots, supplied in standard fixed lengths for CNC machining, forging, and fabrication.
Common Types by Cross-Section
- Round bars: circular cross-section, most widely used for shafts, pins, bolts, turned parts
- Square bars: square cross-section for fixture blocks, frames
- Flat bars / flat stock: rectangular flat profile
- Hexagonal bars: hexagonal cross-section for fasteners, hex fittings
Common Material Options
- Aluminum bars
- Stainless steel bars (304 / 316)
- Carbon steel alloy steel bars
- Titanium bars
- Brass/copper bars
Key Advantages
- Standard uniform size, consistent tolerance, ready for direct cutting and machining
- Stable internal metal structure, fewer internal defects than castings
- Flexible processing: easy turning, milling, drilling, stamping
- Available in various surface states: bright drawn, hot rolled, sandblasted, polished
Main Applications
Raw material for precision CNC-machined parts, mechanical shafts, structural supports, fasteners, mold blanks, medical fittings, and aerospace components.
Brass Material Specifications
| Parameter | Value |
| Price | $$$ |
| Lead Time | Within 10 days |
| Wall Thickness | 0.75 mm |
| Tolerance | ±0.005″ (±0.125 mm) |
| Maximum Part Size | 200 cm × 80 cm × 100 cm |
| Available Brass Grades: | 6铜 C101(T2)、C103(T1)、C103(TU2)、C110(TU0)、铍铜 |
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