Lean Duplex 2304
Stainless Steel AlloysProduct Information
Lean Duplex 2304 Pipe and Tubing
| Sizes | Standard Tolerances | ||||||
|---|---|---|---|---|---|---|---|
| Products | OD | Wall | Lengths and/or coils | Grades | OD | Wall | Lengths |
| Welded Heat Exchangers & Condensers
Specifications: ASTM-A789 and ASME-SA789 |
0.5" (12.7 mm) to 4" (101.6 mm)
Metric sizes available |
0.020" (0.51 mm) to 0.150" (3.81 mm) | Cut lengths to 60' (18.3 m) | Lean Duplex 2304 |
< 0.50" (12.7 mm)
+/-0.005" (0.13 mm) 0.50" (12.7 mm) to <1.50" (38.1 mm)
+/-0.005" (0.13 mm) 1.50" (38.1 mm) to <3.50" (88.9 mm)
+/-0.010" (0.25 mm) >3.50" (88.9 mm) to 4.00" (101.6 mm)
+/-0.015" (0.38 mm) |
+/-15% +/-10% | +1/8" (3 mm)/-0" |
Physical Properties of Lean Duplex 2304 Alloys in the Annealed Condition at -20°F to +100°F
| Tensile Strength | Yield Strength | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alloy | UNS Designation | Spec. | psi | MPa | ksi | psi | MPa | ksi | Elongation in 2 in. (min.) % | Grain Size Req. | Max. Hardness | Modulus of Elasticity (x106 psi) | Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) | Thermal Conductivity (BTU-in/ ft2-h-°F) |
| Lean Duplex 2304
OD=1" & under |
S32304 | A789, A790 | 100,000 | 690 | 100* | 65,000 | 450 | 58* | 25 | — | 28 Rc, 30* Rc | 27.5 | 7.6 | 180 |
| Lean Duplex 2304
OD>1" |
S32304 | A789, A790 | 87,000 | 600 | 101* | 58,000 | 400 | 58* | 25 | — | 28 Rc, 30* Rc | 27.5 | 7.6 | 180 |
Composition of Lean Duplex 2304 tubing and pipe
| Grade | Lean Duplex 2304 |
|---|---|
| UNS Designation | S32304 |
| Carbon (C) Max. | 0.030 |
| Manganese (Mn) Max. | 2.50 |
| Phosphorous (P) Max. | 0.040 |
| Sulphur (S) Max. | 0.040 |
| Silicon (Si) Max. | 1.00 |
| Chromium (Cr) | 21.5 – 24.5 |
| Nickel (Ni) | 3.00 – 5.50 |
| Molybdenum (Mo) | 0.05 – 0.60 |
| Nitrogen (N) | 0.05 – 0.60 |
| Iron (Fe) | Bal. |
| Copper (Cu) | 0.05 – 0.60 Max. |
| Other Elements | — |
Lean Duplex 2304 Product Range
| Alloy | UNS Designation | Werkstoff NR. | Specifications* |
|---|---|---|---|
| Lean Duplex 2304 | S32304 | 1.4362 | A/SA789, A/SA790 |
*Note: The specifications noted including ASTM, ASME, or other applicable authorities are correct at the time of publication. Other specifications may apply for use of these materials in different applications.