2205 S31803 dualphase stainless steel tube

Model:	BS-DSST
Brand:	BS
Origin:	Made In China
Category:	Metallurgy , Mining & Energy / Metallurgy & Mining / Piping Tubing
Label:	2205 , 31803 , Duplex 2205 tube
Price:	-
Min. 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)

Products

Wall

Lengths and/or coils

Grades

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

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)
			Tensile Strength			Yield Strength
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.