S32304 1.4362 Duplex Stainless Steel Pipe and Tube

Product Information for Lean Duplex 2304 tubing and pipe

	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

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

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