AL-6XN® Alloy End Caps

Complete your sanitary process system with sanitary, AL-6XN® alloy end caps from Central States Industrial (CSI). We stock sizes ½ – 4 inches in Tri-Clamp® and butt weld connections.

For applications that require 3-A sanitary standards or ASME-BPE standards, CSI stocks End Caps for Food, Dairy, & Beverage and BPE End Caps in 304 and 316L. CSI also offers Hastelloy® C-22® End Caps for more corrosion resistance.

Dimensions are consistent with industry standards.

Surface Finish Options
BPE Surface Finish CodeCSI Surface Finish CodeProduct Contact Surface

(Max Ra)*

Product Contact Surface Finish Treatment

(ID)

Non-Product Contact Surface

(Max Ra)

Non-Product Contact
Surface Finish Treatment

(OD)

Dimensions & Tolerances
(BPE) or (CSI)
N/APUN/AUnpolished/MillN/AUnpolished/MillCSI
N/A732 µ-inch
(0.81 µm)
Mechanical Polish/As Drawn32 µ-inch
(0.81 µm)
Mechanical PolishCSI
SF1PL20 µ-inch
(0.51 µm)
Mechanical Polish/As Drawn32 µ-inch
(0.81 µm)
Mechanical PolishBPE
SF5PO20 µ-inch
(0.51 µm)
Electropolished32 µ-inch
(0.81 µm)
Mechanical PolishBPE
SF6P2525 µ-inch
(0.64 µm)
Electropolished32 µ-inch
(0.81 µm)
Mechanical PolishBPE

AL-6XN Surface Finish Designations

Tri-Clamp Solid End Caps16AMP-Size-Material-Finish
AL-6XN Material Part #

(PL Finish)

AL-6XN Material Part #

(PO Finish)

Size OD

(in)

A

(in)

16AMP-0.75-AL6XN-PL16AMP-0.75-AL6XN-PO½ or ¾0.187
16AMP-1.5-AL6XN-PL16AMP-1.5-AL6XN-PO1 or 1½0.250
16AMP-2-AL6XN-PL16AMP-2-AL6XN-PO20.250
16AMP-2.5-AL6XN-PL16AMP-2.5-AL6XN-PO0.250
16AMP-3-AL6XN-PL16AMP-3-AL6XN-PO30.250
16AMP-4-AL6XN-PL16AMP-4-AL6XN-PO40.312
16AMP
2019 BPE DT-4.1.5-2 | 2009 BPE DT-31
Butt Weld End CapsB16W-Size-Material-Finish
AL-6XN Material Part #

(PL Finish)

AL-6XN Material Part #

(PO Finish)

Size OD

(in)

A

(in)

B16W-0.5-AL6XN-PLB16W-0.5-AL6XN-PO½1.500
B16W-0.75-AL6XN-PLB16W-0.75-AL6XN-PO¾1.500
B16W-1-AL6XN-PLB16W-1-AL6XN-PO11.500
B16W-1.5-AL6XN-PLB16W-1.5-AL6XN-PO1.500
B16W-2-AL6XN-PLB16W-2-AL6XN-PO21.500
B16W-2.5-AL6XN-PLB16W-2.5-AL6XN-PO1.500
B16W-3-AL6XN-PLB16W-3-AL6XN-PO31.750
B16W-4-AL6XN-PLB16W-4-AL6XN-PO42.000
B16W
2019 BPE DT-4.1.5-1 | 2009 BPE DT-30
Butt Weld End Caps16W-Size-Material-Finish
AL-6XN Material Part #

(7 Finish)

Size OD

(in)

A

(in)

16W-0.5-AL6XN-7½0.252
16W-0.75-AL6XN-7¾0.312
16W-1-AL6XN-710.375
16W-1.5-AL6XN-70.418
16W-2-AL6XN-720.750
16W-2.5-AL6XN-71.000
16W-3-AL6XN-731.250
16W-4-AL6XN-741.149
16W
More End Caps


For end caps that meet 3-A sanitary or BPE standards, visit the End Caps for Food, Dairy, & Beverage and BPE End Caps pages. Need a more corrosion resistant end cap? Check out the Hastelloy C-22 End Caps page for additional material options.

Still don't see what you need? Call CSI for configurations not listed or for custom fabrications.

Create a MyCSI Dashboard to save resources for quick reference, track orders, and talk with experts.