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Stainless Steel Cap

Stainless Steel Cap

Stainless steel cap is also named end cap or pipe head.  It is the cover of piping or vessels. Kaysuns manufacture and supply stainless steel cap with ASME B16.9, EN/DIN standard etc, it is seamless for diameter up to 24″ and cold pressed from integral stainless steel plate.

We also provide elliptical head, oval head, butterfly shape head in materials stainless steel, duplex and super duplex steel, alloy steel etc for vessel and customized design. The pressure vessel head is fabricated by qualified manufacturer and ASME U stamp is available upon requirement. All of these materials are available for third party inspection, such as SGS,BV,Lloyd’s,TUV etc.

stainless steel cap

Product Features

Stainless steel buttweld fittings are our strength products. We have more than 15 years to provide weld fittings comply with EN 10253-3/-4 and ASME B16.9 in stainless steel, duplex and super duplex, special alloy for water treatment, civil projects, oil and gas, chemical, ship building etc. You are welcome to contact us if there are any requirements.

Variety Materials

We are not only produce stainless steel only, but also duplex stainless, nickel based alloy, chrome moly steel, titanium alloy etc.

International Standard

As a company that caters to a global market, we offers products that meet all major standards to meet our customers’ needs. For example

Dimension Range

We can provide seamless and welded stainless steel pipe fittings according to customer needs. Sizes range from 1/2″ to 110″.



Circular, Oval, Butterfly

Manufacture Standards:

ASME/ANSI B16.9, MSS-SP-75, DIN2617, JIS B2311/2312/2313, GB12459, GB/T13401, SH3408, SH3409, ISO 3419, ISO 5251 etc.


1/2″ to 104″(DN15 ~DN2600)

Wall Thickness:


Materials of Stainless Steel Cap:

Stainless Steel·A403 304/L,304H ·310S ·316/L,316Ti·317/L·321/H ·347/H ·S31803·S32750 ·904L
Carbon SteelA234 WPB, WPC
Low Temperature SteelA420 WPL3, WPL6
Alloy SteelA234 WP5, WP9, WP11, WP12, WP22, WP91
High YieldWPHY42, 52, 60, 65, 70
Duplex & Super DuplexA815 UNS 31803, UNS 31254, UNS S32750
Nickel Alloysalloy200, 400, K500, 600, 625, 800, 825 ,alloy 20, hastalloy B2, C22, C276
Other GradesCu70Ni30(C71500),Cu90Ni10(C70600),Titanium

Buttwelded Fittings Catalog

*For more information about buttwelded cap, please contact us.