3A Stainless Steel Sanitary Tubes

3A Sanitary Standards define the criteria for equipment used in the dairy and food industries, ensuring hygienic design and ease of cleaning. Our 3A certified stainless steel tubes are manufactured with precision to meet these exacting standards, providing a smooth internal surface that prevents bacterial growth and allows thorough CIP (Clean-In-Place) cleaning.

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Compliance & Specs

Hardware Properties

Meets 3A Sanitary Standards Inc. (SSI) requirements
Interior surface finish: ≤32 µin (0.8 µm) Ra
Available in 304/304L and 316/316L grades
Ideal for dairy, food, and pharmaceutical applications
Full material traceability with EN 10204 3.1 mill certificates

Dimensional

Range Variance

OD Range

6.00 mm to 219.10 mm

Wall Thickness

0.50 mm to 3.00 mm

Length Availability

Up to 6 meters (20 ft)

Metallurgical Data

Chemical Composition

Batch-verified elemental analysis in accordance with international specification codes.

Grade	C (%)	Mn (%)	P (%)	S (%)	Si (%)	Cr (%)	Ni (%)	Mo (%)
304	0.08	2.0	0.045	0.030	0.75	18.00–20.00	8.00–10.50	—
304L	0.03	2.0	0.045	0.030	0.75	18.00–20.00	8.00–12.00	—
316	0.08	2.0	0.045	0.030	0.75	16.00–18.00	10.00–14.00	2.00–3.00
316L	0.03	2.0	0.045	0.030	0.75	16.00–18.00	10.00–14.00	2.00–3.00
1.4404*	0.03	2.0	0.045	0.015	1.0	16.50–18.50	10.00–13.00	2.00–2.50
1.4435*	0.03	2.0	0.045	0.015	1.0	17.00–19.00	12.50–15.00	2.50–3.00

Verification Data

Mechanical Properties

Stress-testing results confirming absolute structural integrity of the alloy selection.

Grade	UNS Code	ASTM Spec	Yield (MPa)	Tensile (MPa)	Elongation (%)	Hardness
304	S30400	ASTM A270 / A269	≥205	≥515	≥35	≤90 HRB
304L	S30403	ASTM A270 / A269	≥170	≥485	≥35	≤90 HRB
316	S31600	ASTM A270 / A269	≥205	≥515	≥35	≤90 HRB
316L	S31603	ASTM A270 / A269	≥170	≥485	≥35	≤90 HRB
1.4404	—	EN 10357-2	≥200	≥500-700	≥30	—
1.4435	—	EN 10357-2	≥200	≥500-700	≥30	—