PCC Energy Group

Lean Duplex 19D

Stainless Steel Alloys
RathGibson

Product Information

Lean Duplex 19D Pipe and Tubing
  Sizes   Standard Tolerances
ProductsODWallLengths and/or coilsGradesODWallLengths
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 19D ±0.005" (0.127 mm) ±10% Coils to 80,000' (24,384 m)
Physical Properties of the Lean Duplex 19D Alloy in the Annealed Condition at -20°F to +100°F
      Tensile StrengthYield Strength            
AlloyUNS DesignationSpec.psiMPaksipsiMPaksiElongation in 2 in. (min.) %Grain Size Req.Max. HardnessModulus of Elasticity (x106 psi)Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6)Thermal Conductivity (BTU-in/ ft2-h-°F)
Lean Duplex 19D A32001 A789, A790 90,000 620 90 65,000 450 65 25 — 30 Rc — 7.6 180
Composition of Lean Duplex 19D tubing and pipe
GradeLean Duplex 19D*
UNS DesignationS32001
Carbon (C) Max. 0.030
Manganese (Mn) Max. 4.0 – 6.0
Phosphorous (P) Max. 0.040
Sulphur (S) Max. 0.030
Silicon (Si) Max. 1.00
Chromium (Cr) 19.5 – 21.5
Nickel (Ni) 1.0 – 3.0
Molybdenum (Mo) 0.60
Nitrogen (N) 0.05 – 0.17
Iron (Fe) Bal.
Copper (Cu) —
Other Elements N/A
*Zinc Clad for Subsea Umbilical Tubing