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Tube specification 

 

2205 S31803 dualphasesteel tube

  • 2205 S31803 dualphasesteel tube
  • 2205 S31803 dualphasesteel tube
  • 2205 S31803 dualphasesteel tube
  • 2205 S31803 dualphasesteel tube
Model No.︰BS-DSST
Brand Name︰BS
Country of Origin︰China
Unit Price︰US $ 4000 / ton
Minimum Order︰1 ton
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Product Description

Duplex 2205 Product Information

Products OD Wall Lengths and/or coils Grades OD Wall Lengths
Welded Austenitic Steel Boiler, Super Heater, Heat-Exchangers & Condenser Tubes

Specifications: ASTM-A789 and ASME-SA789

3/16" (4.76 mm) to 4" (101.6 mm)

Metric sizes available

0.020" (0.51 mm) to 0.220" (5.59 mm) Random or cut lengths up to 68' (20.7 m)

Coils to 1-1/2" OD

Duplex 2205

<1-1/2" (38.1 mm) ±0.005" (0.13 mm)

1-1/2" (38.1 mm) to 3" (76.2 mm) ±0.010" (0.25 mm)

3-1/2" (88.9 mm) to 4" (101.6 mm) ±0.015" (0.38 mm)

±10% Randoms up to +2" (50.8 mm) Cuts +1/8" (3 mm) -0"

Coils to 80,000' (24,384 m)

Physical Properties of Duplex 2205 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 (x106psi) Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) Thermal Conductivity (BTU-in/ ft2-h-°F)
Duplex 2205 S32205 A789, A790 95,000 655 95 70,000 485 70 30 28 Rc,
30* Rc
27.5 7.6 180
Duplex 2205 S31803 A789, A790 90,000 620 90 65,000 450 65 30 28 Rc,
30* Rc
27.5 7.6 180

*OD over 1.0" TS>87, YS>58, no hardness requirement 1.0" OD and under

Composition of Duplex 2205 tubing and pipe

Grade Duplex 2205
UNS Designation S31803/S32205*
Carbon (C) Max. 0.030
Manganese (Mn) Max. 2.00
Phosphorous (P) Max. 0.030
Sulphur (S) Max. 0.020
Silicon (Si) Max. 1.00
Chromium (Cr) 22.0 – 23.0
Nickel (Ni) 4.5 – 6.5
Molybdenum (Mo) 3.0 – 3.5
Nitrogen (N) 0.14 – 0.20
Iron (Fe) Bal.
Copper (Cu)
Other Elements N/A

S32205 is the more restrictive chemistry and is shown

Duplex 2205 Product Range

Alloy UNS Designation Werkstoff NR. Specifications*
2205 S31803/S32205 1.4462 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.

Price Terms︰FOB Shanghai
Payment Terms︰T/T or L/C
Packing︰Wooden box
Lead Time︰30 days
Standards Certificate︰ISO 9001
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