Product Overview
Precision-engineered for demanding industrial applications, the StainlessRod-316L is a cold-finished round rod manufactured from premium-grade ASTM A276 316L stainless steel. This grade offers exceptional corrosion resistance—especially against chlorides, acids, and marine environments—making it ideal for critical components in harsh operating conditions. The rod undergoes rigorous cold finishing followed by bright annealing, resulting in superior dimensional accuracy, enhanced surface finish, and improved mechanical consistency compared to hot-rolled alternatives. Its seamless, uniform microstructure ensures reliable machinability, weldability, and fatigue performance across high-value fabrication workflows.
As a cold finished rod, it delivers tighter tolerances (±0.05 mm diameter), reduced ovality, and improved straightness (<0.3 mm/m), enabling precision turning, threading, and grinding without secondary straightening. The bright annealed rod surface exhibits a reflective, oxide-free finish that enhances aesthetics, reduces contamination risk, and improves coating adhesion—key for medical, food processing, and semiconductor applications.
Key Features
- Compliant with ASTM A276 specification for stainless steel bars and rods
- Ultra-low carbon content (≤0.03%) for optimal intergranular corrosion resistance
- Cold-drawn and stress-relieved for high tensile strength and surface integrity
- Bright annealed surface: mirror-like finish, no scale or discoloration
- Available in diameters Ø6–40 mm with standard 5.8 m lengths (custom cuts available)
- Traceable heat numbers and full mill test reports (MTRs) provided per batch
Technical Specifications
| Parameter |
Value |
| Material Grade |
ASTM A276 Type 316L Stainless Steel |
| Carbon Content |
≤ 0.03 % |
| Chromium Content |
16.0–18.0 % |
| Nickel Content |
10.0–14.0 % |
| Molybdenum Content |
2.0–3.0 % |
| Tensile Strength |
515–690 MPa |
| Yield Strength (0.2% offset) |
≥ 205 MPa |
| Elongation (50 mm) |
≥ 40 % |
| Surface Finish |
Bright Annealed (Ra ≤ 0.4 µm) |
| Diameter Tolerance |
h9 (e.g., Ø20 mm: +0 / −0.021 mm) |
| Straightness |
≤ 0.3 mm per meter |
| Standard Length |
5.8 meters (cut-to-length options available) |
Applications
This 316L stainless steel rod is widely specified in industries requiring long-term reliability under aggressive chemical exposure or stringent hygiene standards—including pharmaceutical equipment shafts, marine fasteners and fittings, aerospace actuators, chemical process valves, food-grade conveyor components, and laboratory instrumentation. As a versatile StainlessRod-316L, it serves as the foundational raw material for CNC-machined parts, precision pins, piston rods, and custom forgings—leveraging its compatibility with both cold and hot working processes.
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