Hastelloy® C-22® End Caps

Complete your sanitary process system with Hastelloy C-22 end caps from Central States Industrial (CSI). We stock sizes ¼ – 4 inches in Tri-Clamp® and butt weld connections.

For applications that require 3-A sanitary standards or ASME-BPE standards, CSI stocks 304 and 316L End Caps for Food, Dairy, & Beverage and BPE End Caps. We also offer AL-6XN® End Caps as another corrosion-resistant option.

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)
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
N/APUMill FinishUnpolished/MillMill FinishUnpolished/MillCSI

C-22 Surface Finish Designations

Solid End Caps16AMP-Size-Material-Finish
C-22 Material Part #

(PL Finish)

C-22 Material Part #

(PO Finish)

Size OD

(in)

A

(in)

B

(in)

16AMP-0.25-C22-PL16AMP-0.25-C22-PO¼0.1870.984
16AMP-0.375-C22-PL16AMP-0.375-C22-PO0.1870.984
16AMP-0.75-C22-PL16AMP-0.75-C22-PO½ or ¾0.1870.984
16AMP-1.5-C22-PL16AMP-1.5-C22-PO1 or 1½0.2501.984
16AMP-2-C22-PL16AMP-2-C22-PO20.2502.516
16AMP-2.5-C22-PL16AMP-2.5-C22-PO0.2503.047
16AMP-3-C22-PL16AMP-3-C22-PO30.2503.579
16AMP-4-C22-PL16AMP-4-C22-PO40.3124.682
16AMP
2019 BPE DT-4.1.5-2 | 2009 BPE DT-31
Butt Weld End CapsB16W-Size-Material-Finish
C-22 Material Part #

(PL Finish)

C-22 Material Part #

(PO Finish)

Size OD

(in)

A

(in)

B16W-0.5-C22-PLB16W-0.5-C22-PO½1.500
B16W-0.75-C22-PLB16W-0.75-C22-PO¾1.500
B16W-1-C22-PLB16W-1-C22-PO11.500
B16W-1.5-C22-PLB16W-1.5-C22-PO1.500
B16W-2-C22-PLB16W-2-C22-PO21.500
B16W-2.5-C22-PLB16W-2.5-C22-PO1.500
B16W-3-C22-PLB16W-3-C22-PO31.750
B16W-4-C22-PLB16W-4-C22-PO42.000
B16W
2019 BPE DT-4.1.5-1 | 2009 BPE DT-30
Butt Weld End Caps16W-Size-Material-Finish
C-22 Material Part #

(PL Finish)

Size OD

(in)

A

(in)

16W-0.5-C22-PL½0.252
16W-0.75-C22-PL¾0.312
16W-1-C22-PL10.375
16W-1.5-C22-PL0.418
16W-2-C22-PL20.750
16W-2.5-C22-PL1.00
16W-3-C22-PL31.250
16W-4-C22-PL41.149
16W
More End Caps


For 304 and 316L end caps that meet 3-A sanitary or BPE standards, visit the End Caps for Food, Dairy, & Beverage and BPE End Caps pages. CSI also offers AL-6XN® Alloy End Caps.

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

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