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304/304L/304LN/304H tubing and pipe

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Product Information for 304/304L/304LN/304H tubing and pipe

Products	OD	Wall	Lengths and/or coils	Grades	OD	Wall	Lengths
	Sizes				Standard Tolerances
Welded Austenitic Steel Boiler, Super Heater, Heat-Exchangers & Condenser Tubes Specifications: ASTM-A249, ASME-SA249, ASTM-A688, ASME-SA688	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 90' (27.4 m) Coils to 1-1/2" OD	304/304L/304LN/304H	Under 1" (25.4 mm) ±0.004" (0.10 mm) 1" (25.4 mm) to 1-1/2" (38.1 mm) ±0.006" (0.15 mm) >1-1/2" (38.1 mm) to 2" (50.8 mm) ±0.008" (0.20 mm) >2" (50.8 mm) to 2-1/2" (63.5 mm) ±0.010" (0.25 mm) >2-1/2" (63.5 mm) to 3" (76.2 mm) ±0.012" (0.30 mm) 3" (76.2 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)
Pressure & Corrosion Tubing Meets or exceeds requirements for welded Specifications: ASTM-A269, ASTM-A1016, and ASTM-A632	1/16" (1.59 mm) to 4" (101.6 mm) Metric sizes available	0.010" (0.25 mm) to 0.220" (5.59 mm)	Random or cut lengths up to 90' (27.4 m) Coils to 1-1/2" OD	304/304L/304H	<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)
Beverage Tubing	1/4"(6.35 mm) 5/16" (7.94 mm) 3/8" (9.53 mm) 1/2" (12.7 mm) Metric sizes available	0.020" (0.51 mm) to 0.028" (0.71 mm)	Random or cut lengths up to 40' (12.2 m)	304/304L/304H	±0.005" (0.13 mm)	±10%	Randoms up to +2" (50.8 mm) Cuts +1/8" (3 mm) -0" Coils to 15,000' (4,572 m)
Instrumentation Tubing Specifications: ASTM-A269 and ASTM-A632	1/16" (1.59 mm) to 1/2" (12.7 mm) Metric sizes available	0.010" (0.25 mm) to 0.065" (1.65 mm)	Random or cut lengths up to 40' (12.2 m)	304/304L/304H	±0.005" (0.13 mm)	±10%	Randoms up to +2" (50.8 mm) Cuts +1/8" (3 mm) -0"
Food/Dairy Tubing, Pharmaceutical/ BioPharmaceutical Tubing, High Purity Tubing, Ultra High Purity Tubing	1/2" (12.7 mm) to 8" (203.2 mm)	0.049" (1.24 mm) to 0.109" (2.77 mm)	20' (6.1 m) stock lengths. Other lengths available upon request.	304/304L	1/2" (12.7 mm) ±0.005" (0.13 mm) 3/4" (19.1 mm) ±0.005" (0.13 mm) 1" (25.4 mm) ±0.005" (0.13 mm) 1-1/2" (38.1 mm) ±0.008" (0.20 mm) 2" (50.8 mm) ±0.008" (0.20 mm) 2-1/2" (63.5 mm) ±0.010" (0.25 mm) 3" (76.2 mm) ±0.010" (0.25 mm) 4" (101.6 mm) ±0.015" (0.38 mm) 6" (152.4 mm) ±0.030" (0.76 mm) 8" (203.2 mm) +0.061" (1.55 mm), -0.031" (0.79 mm)	±10% ±10% ±10% ±10% ±10% ±10% ±10% ±10% ±10% ±10%	+1/8" (3 mm) -0" +1/8" (3 mm) -0" +1/8" (3 mm) -0" +1/8" (3 mm) -0" +1/8" (3 mm) -0" +1/8" (3 mm) -0" +1/8" (3 mm) -0" +1/8" (3 mm) -0" +1" (25.4 mm) -0" +1" (25.4 mm) -0"

Physical Properties of 304/304L/304LN/304H Alloys in the Annealed Condition at -20°F to +100°F

Alloy	UNS Designation	Spec.	psi	MPa	ksi	psi	MPa	ksi	Elongation in 2 inches (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
304	S30400	A249, A312	75,000	515	75	30,000	205	30	35	—	90 Rb	28.0	9.2	116
304L	S30403	A270 A312	70,000	485	70	25,000	170	25	35	—	90 Rb	28.0	9.2	116
304LN	S30453	A249, A688	75,000	515	75	30,000	205	30	35	—	90 Rb	28.0	9.2	116
304H	A30409	A249, A312	75,000	515	75	30,000	205	30	35	7 or coarser	90 Rb	28.0	9.2	116

Composition of 304/304L/304LN/304H tubing and pipe

Grade	304	304L	304LN	304H
UNS Designation	S30400	S30403	S30453	S30409
Carbon (C) Max.	0.08	0.030*	0.030	0.04 – 0.10
Manganese (Mn) Max.	2.00	2.00	2.00	2.00
Phosphorous (P) Max.	0.045	0.045	0.045	0.045
Sulphur (S) Max.	0.030	0.030	0.030	0.030
Silicon (Si) Max.	1.00	1.00	1.00	1.00
Chromium (Cr)	18.0–20.0	18.0–20.0	18.0–20.0	18.0–20.0
Nickel (Ni)	8.0–11.0	8.0–11.0	8.0–11.0	8.0–11.0
Molybdenum (Mo)	—	—	—	—
Nitrogen (N)	—	—	0.10–0.15	—
Iron (Fe)	Bal.	Bal.	Bal.	Bal.
Other Elements	—	—	—	—

* Maximum carbon content of 0.04% acceptable for drawn tubes

304/304L/304LN/304H Product Range

Alloy	UNS Designation	Werkstoff NR.	Specifications*
304	S30400	1.4301	A269, A/SA249, A/SA312, A632, A/SA688, A270
304L	S30403	1.4306	A269, A/SA249, A/SA312, A629, A632, A/SA688, A270
304LN	S30453	1.4311	A/SA249, A/SA688
304H	S30409	1.4948	A269, A/SA249, A/SA312, A/SA688

*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.