Lean Duplex 2101
Stainless Steel AlloysProduct Information
Lean Duplex 2101 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 2101 | 
 < 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" | 
| Subsea Umbilical Tubing
 Specifications: ASTM-A789 and ASTM-A790  | 
3/8" (9.53 mm) to 1-1/2" (38.1 mm) | 0.039" (0.99 mm) to 0.125" (3.18 mm) | Cut lengths to 60' (18.3 m)
 Coils to 1-1/2" OD  | 
Lean Duplex 2101 | ±0.005" (0.127 mm) | ±10% | Coils to 80,000' (24,384 m) | 
Physical Properties of Lean Duplex 2101 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 2101 | S32101 | A789, A790 | 94,000 | 650 | 94 | 77,000 | 530 | 77 | 30 | — | 30 Rc | 27.5 | 7.6 | 180 | 
Composition of Lean Duplex 2101 tubing and pipe
| Grade | Lean Duplex 2101 | 
|---|---|
| UNS Designation | S32101 | 
| Carbon (C) Max. | 0.040 | 
| Manganese (Mn) Max. | 4.0 - 6.0 | 
| Phosphorous (P) Max. | 0.040 | 
| Sulphur (S) Max. | 0.030 | 
| Silicon (Si) Max. | 1.00 | 
| Chromium (Cr) | 21.0 – 22.0 | 
| Nickel (Ni) | 1.35 – 1.70 | 
| Molybdenum (Mo) | 0.10 – 0.80 | 
| Nitrogen (N) | 0.20 – 0.25 | 
| Iron (Fe) | — | 
| Copper (Cu) | 0.10 – 0.80 | 
| Other Elements | — | 
Lean Duplex 2101 Product Range
| Alloy | UNS Designation | Werkstoff NR. | Specifications* | 
|---|---|---|---|
| Lean Duplex 2101 | S32101 | 1.4162 | A789, A790 | 
*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.