ASME BPE Stainless Steel Sanitary Tubes

ASME BPE (BioProcessing Equipment) standard defines the requirements for equipment used in bioprocessing and pharmaceutical manufacturing. Our ASME BPE tubes feature internally polished and electropolished surfaces that meet the most demanding purity requirements for WFI systems, bioreactor piping, and sterile drug manufacturing.

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Compliance & Specs

Hardware Properties

Conforms to ASME BPE Part SF (Surface Finish) requirements
Electropolished interior surface: ≤20 µin (0.5 µm) Ra
Available in 316L low-carbon grade for superior corrosion resistance
Designed for WFI, CIP/SIP, and high-purity fluid transfer
Individual tube ID tracking and full documentation

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	—