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Cold Rolled Grade 321 Stainless Steel Round Bar with Bright Surface for High Temperature Applications
Produktdetails
| Form | Runden | Technik | kaltgewalzt |
|---|---|---|---|
| Oberflächenbehandlung | Hell | Durchmesserbereich | 6-250mm |
| Länge | 6 m/stück | Grad | 321 / 1.4541 / UNS S32100 |
| Standard | ASTM A276/276M | Zugfestigkeit | 515 MPa |
| Streckgrenze | 205 MPa | Verlängerung | 40 % |
| Härte Rockwell B | 95 HR B | Härte Brinell | 217 HB |
| Kohlenstoffgehalt | 0,08 % max | Chrominhalt | 17,0–19,0 % |
| Nickelinhalt | 9,0–12,0 % | ||
| Hervorheben | Grade 321 Stainless Steel Round Bar,Cold Rolled Stainless Steel Rod,Bright Surface Stainless Steel Bar |
||
Produkt-Beschreibung
Diameter 6-250mm Stainless Steel Round Rod / Black Stainless Steel Bar Grade 321 After Solid Solution
Our stainless steel round bars are manufactured to the highest standards, offering excellent performance characteristics for demanding industrial applications.
Product Specifications
| Products | Stainless Steel Round Bar |
|---|---|
| Grade | 321 / 1.4541 / UNS S32100 |
| Standard | ASTM A276/276M |
| Diameter | 8 - 300mm |
| Length | 6m/pcs or cutting any length as requested |
| Surface | Black, bright |
| Other Grades | 304, 310S, 316L, 317L, 321, 410, 420, 431, 440A/B/C, 2205, 2507, 630, 631, 904L, etc. |
| Service | Cutting, polishing, heat treatment |
Available Stainless Steel Bar Products
| 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 - 100×40mm | 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 - 200×200mm | 201, 304, 316L, 310S, 2205, etc. |
| Stainless Steel Channel Bar | 50×25 - 200×100mm | 201, 304, 316L, 310S, 2205, etc. |
About Grade 321 Stainless Steel
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, making it particularly advantageous for high-temperature applications. Alloy 321 stainless steel offers superior creep and stress rupture properties compared to Alloy 304 and 304L.
This alloy maintains excellent resistance to oxidation up to 1500°F (816°C) and possesses good low-temperature toughness. It cannot be hardened by heat treatment but can be strengthened through cold working. Alloy 321 can be easily welded and processed using standard shop fabrication practices.
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).
Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | 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 50mm) 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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