Product Introduction
304L (UNS S30403) stainless steel Heat Exchanger Tube is a low-carbon austenitic alloy that eliminates carbide precipitation during welding, ideal for as-welded corrosion service. Supplied to ASTM A249 in 19.05mm x 1.65mm with a bright annealed finish, this pipe delivers consistent dimensional accuracy, full traceability and dependable long-term performance for demanding industrial applications.
Product Specifications
| Item | Specification |
| Material Grade | 304L (UNS S30403) |
| Standard | ASTM A249 |
| Type | Heat Exchanger Tube |
| Size | 19.05mm x 1.65mm |
| Length | 6 Meter |
| Surface Finish | Bright Annealed |
Chemical Composition (%)
| Element | Content (%) |
| Carbon (C) | <= 0.030 |
| Manganese (Mn) | <= 2.00 |
| Silicon (Si) | <= 0.75 |
| Phosphorus (P) | <= 0.045 |
| Sulfur (S) | <= 0.030 |
| Chromium (Cr) | 18.0 - 20.0 |
| Nickel (Ni) | 8.0 - 12.0 |
| Nitrogen (N) | <= 0.10 |
Mechanical Properties
| Property | Value |
| Tensile Strength | >= 485 MPa |
| Yield Strength | >= 170 MPa |
| Elongation | >= 35% |
| Hardness | <= 90 HRB |
Application Fields
- Welded chemical processing equipment
- Low-carbon welding applications
- Storage tanks and piping
- Pharmaceutical and dairy systems