ASTM A269 TP316L / UNS S31603 / 1.4404 Bright Annealed Stainless Steel Tube
ASTM A269 TP316L / UNS S31603 / 1.4404 Bright Annealed Stainless Steel Tube
Bright annealing is an annealing process performed in a vacuum or a controlled atmosphere containing inert gases (such as hydrogen). This controlled atmosphere reduces the surface oxidation to a minimum which results in a brighter surface and a much thinner oxide layer. Pickling is not needed after bright annealing since the oxidation is minimal. Since there is no pickling, the surface is much smoother which results in better resistance to pitting corrosion.
ASTM A269 TP316L Bright Annealed Tube Specifications
| Specifications | ASTM A213 / A249 / A269 / A312 |
| Dimensions | ASTM, ASME |
| Material Grades | stainless steel grades: ASTM / AISI: 316 /316L, 304/304L, 321/321H, 316Ti, 347 / 347H; EN/DIN: 1.4301/1.4307, 1.4401/1.4404, 1.4541/1.4878, 1.4571. duplex/ super duplex stainless steel grades: ASTM / AISI: S31803, S32750,S32760, 2205, 904 / 904L. EN/DIN: 1.4462, 1.4410, 1.4539. |
| Schedule | SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS |
| Wall Thickness | Schedule 5S - Schedule XXS. |
| Size | 1/2"NB - 24"NB |
| Length | Single Random, Double Random & Cut Length |
| Types | Seamless/weld |
| Form | Round, Square, Rectangular, Hydraulic Etc |
ASTM A269 TP316L Bright Annealed Tube
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
ASTM A269 TP316L Bright Annealed Tube Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 316L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 - 18.00 | 2.00 - 3.00 | 10.00 - 14.00 | 68.89 min |
ASTM A269 TP316L Bright Annealed Tube Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1399 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Applications
Stainless steel bright annealed tube is broadly used in applications (such as instruments, equipments, machinery) where requires high cleanliness inside surface, high precision dimensions, high corrossion resistance in various industries such as gas, chemical, shipbuilding, automobile,etc.
1. Food industry
2. chloride environments
3. Fasteners
4. Pharmaceuticals
5. Marine applications
6. Architectural applications
7. Medical implants which comprise pins, screws and orthopedic implants like total hip and knee replacements.
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