Skip to content

We Are One of Leading

Stainless Steel Pipe Fittings Supplier in China

As a professional stainless steel pipe fittings supplier in China, we provide almost all kinds of stainless steel fittings, include butt-welding fittings, forged fittings, class 150 threaded fittings, tube fittings etc. We supply it comform to ASME/ANSI, EN/DIN/BS, JIS, GOST, GB etc.  Contact us Now if you have any requirements.

Get A Free Quote

Stainless Steel Fittings

Stainless steel buttwelding fittings, includes elbow, tee, reducer, stub end, end-cap etc. The dimension is up to NPS 104″ and wall thickness SCH5S, 10S, 40S, 80S, XXS etc.

We supply high pressure forged fittings with matetial stainless steel, alloy steel, nickel-based alloy, titanium alloy etc. Forged fittings are complied to ASME B16.11, BS 3799, MSS SP-97, JIS B2316, GB/T14383 etc. Customized fabricated is available.

Class 150  stainless steel threaded fittings, include BSP and NPT threaded fittings, barrel nipples etc. We offer 150LB stainless steel threaded fittings from 1/8″ to 4″ in stainless steel 304 and 316L, comply with standard ISO 4144, MSS SP114, EN 10241 etc.

Have A Questions?

If you have any questions or requirements about stainless steel fittings, whatever it’s about products, materials, or others, you’ll get a prompt response from us.

What We Do


Stainless Steel

AISI 304, 304L, 316, 316L, 316Ti, 317L, 321, 321H, 347, 347H, 904L, 254 SMO (W1.4301, 1.4306, 1.4948, 1.4401, 1.4404, 1.4571, 1.4438, 1.4541, 1.4878, 1.4550, 1.4845, 1.4539, 1.4547 etc.).

Duplex & Super Duplex

Duplex 2205 - S31803, S32205, super duplex 2507 – S32750, S32760 (w1.4462, 1.4410, 1.4501, 1.4507 etc.)

Nickel-based Alloy

Monel 400, Inconel 600,625, Incoloy 800,800H, 825, Alloy 20, Hastelloy B3, C22,C276, 254SMO, Cu/Ni 70/30, 90/10 etc.

Other Alloy

Copper Alloy C71500, C70600 (CuNi 90/10, CuNi 70/30 ), Titanium Alloy, Chrome-Moly Alloy A234 WP5, WP9, WP11, WP22, WP91 , Low Temperature Alloy A420 WPL6 etc.

Standard of Stainless steel Weld Fittings

ASME B16.9, MSS SP-43, MSS SP-75, EN 10253 -3/4, ISO 5251, JIS B2311/2312/2313, GOST 17375/17376/17378/17379, GB/T 12459, GB/T13401 etc

Stainless Steel Threaded Fittings

ISO 4144, MSS SP114, EN 10241 etc.

Forged Fittings

ANSI B16.11, BS 3799, JIS B2302, MSS SP-83, JIS B2316, MSS SP-83, MSS SP-79, MSS SP-97, GB14626, GB/T14383 etc.​

What We Do


Why Us
Quality Control and Certificates

Our stainless steel pipe fittings are PED/2014/68/EU certified and complied with the requirement of the applicable ASME/ASTM material standard of ASME Boiler and Pressure Vessel Code.

Kaysuns also has in-house comprehensive testing to 100% ensure our products perfectly meet stringent industry demands of oil, gas, refinery, chemical, paper industry,  sea water desalination, ship building etc.


Let's have a chat

Do you want to learn more? Contact us

We will reply you in 24 hours. Thank you!