Steel Bar Grades
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316L Stainless Steel Bar
1. Product Overview
316L stainless steel bar is a low-carbon version of 316, offering superior corrosion resistance, especially in chloride-rich environments. ✅ Its low carbon content minimizes carbide precipitation during welding, making it ideal for applications requiring extensive welding and exposure to harsh chemical or marine conditions. Common uses include pharmaceutical equipment, marine fittings, and chemical processing components.
2. Available Sizes
- 📏 Type: Round bar, Square bar, Flat bar, Hexagonal bar
- 📐 Diameter (Round): 3mm – 300mm
- 📏 Length: 1000mm – 6000mm (customizable)
- 🎯 Tolerances: h9, h10, h11 (upon request)
- 📚 Standards: ASTM A276, ASTM A479, EN 10088-3, JIS G4303
3. Chemical Composition
| Element | Content (%) |
|---|---|
| C | ≤ 0.03 |
| Si | ≤ 1.00 |
| Mn | ≤ 2.00 |
| P | ≤ 0.045 |
| S | ≤ 0.030 |
| Cr | 16.0 – 18.0 |
| Ni | 10.0 – 14.0 |
| Mo | 2.0 – 3.0 |
4. Mechanical Properties
| Property | Value (Annealed) |
|---|---|
| Tensile Strength | ≥ 485 MPa |
| Yield Strength | ≥ 170 MPa |
| Elongation (%) | ≥ 40% |
| Hardness (HB) | ≤ 217 |
5. Features & Advantages
- ✅ Excellent corrosion resistance in marine and chemical environments
- ✅ Low carbon content, ideal for welding
- ✅ High strength and ductility
- ✅ Resistant to pitting and crevice corrosion
- ✅ Non-magnetic in annealed condition
6. Applications
- 🌊 Marine components and offshore structures
- ⚗️ Chemical and pharmaceutical equipment
- 🏗️ Structural applications in corrosive environments
- 🚰 Food-grade processing systems
- 🔩 Bolts, nuts, valves, and shafts

- 🖤 Black
- 🧼 Pickled
- ✨ Bright
- 🔧 Polished (180#, 240#, 320#, 400#)
- 🌀 Peeled / Turned / Centerless Ground
7. Surface Finish
8. Processing Services
- ✂️ Precision cutting to length
- 🧽 Surface polishing and grinding
- 🔩 Machining and turning
- 🔧 Threading and chamfering
- 📐 Custom bar shaping and dimensioning
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