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ASTM A276/A276M Stainless Steel Round Bar with Diameter 10-120mm and 6m Length
Product Details
| Shape | Round | Technique | Cold Rolled |
|---|---|---|---|
| Surface Treatment | Bright | Diameter Range | 10 - 120mm |
| Length | 6m | Grade | 321 / 1.4541 / UNS S32100 |
| Standard | ASTM A276/276M | Tensile Strength | 515 MPa Min |
| Yield Strength | 205 MPa Min | Elongation | 40% Min |
| Hardness Rockwell B | 95 Max | Hardness Brinell | 217 Max |
| Carbon Content | 0.08 Max | Chromium Content | 17.0 - 19.0% |
| Nickel Content | 9.0 - 12.0% | ||
| Highlight | ASTM A276/A276M Stainless Steel Round Bar,Diameter 10-120mm SS Round Bar,6m Length Steel Round Bar |
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Product Description
ASTM A276 / A276M Stainless Steel Round Bar
Diameter 10 - 120mm in 6m Length
Product Specifications
| Product | Stainless Steel Round Bar |
| Grade | 321 / 1.4541 / UNS S32100 |
| Standard | ASTM A276/276M |
| Diameter | 8 - 300mm |
| Length | 6m/pcs or custom cutting available |
| Surface | Black, Bright |
| Other Grades | 304, 310S, 316L, 317L, 321, 410, 420, 431, 440A/B/C, 2205, 2507, 630, 631, 904L, etc. |
| Services | Cutting, Polishing, Heat Treatment |
Stainless Steel Bar Product Range
| Product Name | Size Range | Main Grades |
|---|---|---|
| Stainless Steel Round Bar (hot rolled black surface) | 8 - 300mm | 304, 304L, 309S, 310S, 316L, 316Ti, 317L, 321, 347, 410, 420, 431, 440A/B/C, 2205, 2507, 904L, 254SMO, 17-4PH, 17-7PH, etc. |
| Stainless Steel Round Bar (bright polished) | 3 - 50mm | 201, 304, 316L, 310S, 2205, 630, etc. |
| Stainless Steel Square Bar | 4×4 - 50×50mm | 201, 304, 316L, 310S, 410, 420, etc. |
| Stainless Steel Hexagon Bar | S4-S70 | 201, 304, 316L, 310S, 410, 420, etc. |
| Stainless Steel Flat Bar | 10×3 - 100×40 | 304, 304L, 309S, 310S, 316L, 316Ti, 317L, 321, 347, 410, 420, 431, 440A/B/C, 2205, 2507, 904L, 254SMO, 17-4PH, 17-7PH, etc. |
| Stainless Steel Angle Bar | 30×30 - 200×200 | 201, 304, 316L, 310S, 2205, etc. |
| Stainless Steel Channel Bar | 50×25 - 200×100 | 201, 304, 316L, 310S, 2205, etc. |
321 Stainless Steel Characteristics
Alloy 321 (UNS S32100) is a titanium-stabilized austenitic stainless steel that offers excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 1500°F (427 to 816°C). The addition of titanium stabilizes the alloy against chromium carbide formation.
This alloy provides superior high-temperature service capabilities with excellent mechanical properties, offering higher creep and stress rupture properties than Alloy 304 and 304L. It maintains good low-temperature toughness and resists oxidation up to 1500°F (816°C).
Alloy 321H (UNS S32109) is the higher carbon (0.04 - 0.10) version developed for enhanced creep resistance and higher strength at temperatures above 1000°F (537°C). The alloy cannot be hardened by heat treatment, only by cold working, and can be easily welded and processed using standard shop fabrication practices.
Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Other |
|---|---|---|---|---|---|---|---|---|---|---|
| 321 | 0.08 max | 2.00 max | 0.75 max | 0.045 max | 0.030 max | 17.0-19.0 | - | 9.0-12.0 | 0.10 max | Ti=5(C+N) min, 0.70 max |
| 321H | 0.04-0.10 | 2.00 max | 0.75 max | 0.045 max | 0.030 max | 17.0-19.0 | - | 9.0-12.0 | - | Ti=4(C+N) min, 0.70 max |
| 347 | 0.08 max | 2.00 max | 0.75 max | 0.045 max | 0.030 max | 17.0-19.0 | - | 9.0-13.0 | - | Nb=10(C+N) min, 1.0 max |
Mechanical Properties
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50 mm) min | Rockwell B (HR B) max | Brinell (HB) max |
|---|---|---|---|---|---|
| 321 | 515 | 205 | 40 | 95 | 217 |
| 321H | 515 | 205 | 40 | 95 | 217 |
| 347 | 515 | 205 | 40 | 92 | 201 |
Typical Applications
- Aircraft exhaust manifolds
- Expansion joints
- Bellows
- Furnace parts
- Heating element tubing
- Heat exchangers
- Woven or welded screens for high-temperature mineral processing
- Spiral welded tube for burner pipes and flues
Product Images
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