Stainless Steel Pipe Fittings

Stainless Steel Pipe Fittings

Stainless steel pipe fittings are the indispensable components for a piping system, they are widely used for chemical, water treatment, oil refinery, ship building, paper making industries etc. Kaysuns is a manufacturer for stainless steel and duplex steel pipe fittings, including stainless steel butt-weld fittings and forged fittings. We provide stainless steel elbow, tee, concentric reducer, eccentric reducer, caps, return bend, stub end, cross, and also custom fabrication as per designs that will fit the unique project.

Stainless Steel Buttweld Fittings

stainless steel buttweld elbows
Stainless steel buttweld elbows

Stainless steel butt-weld fittings is our key product. Our factory is an ISO 9001 approved manufacturer in Zhejiang China. We provide full range of such elbows, tees, reducers, stub ends, caps, bends in materials stainless steel, duplex steel and super duplex steel, nickle-based alloy, titanium alloy, copper alloy etc to standard ASME B16.9, MSS-SP43, EN 10253-4/-3, ISO 05251, JIS, GOST and customized fabricated available.


Stainless Steel Forged Fittings

stainless steel forged tees
Stainless steel forged tees

Stainless steel forged fittings are mainly the size under 6” as its connected end is socket-weld and threaded. We supply both socket-weld fittings and threaded fittings (NPT and BSPT) to ASME B16.11, BS 3799 etc.

For small order of stainless steel forged pipe fittings, we are ability to supply it from the stock with immediate shipment, including stainless steel F304, 316L and duplex 2205 etc.

Our stainless steel pipe fittings are widely used in Chemicals, Fats, Fertilizers, Sugar Mills, Distilleries, Cement Industries, Ship Buildings, Paper Industries, Pumps, Petrochemicals, Oil and Natural Gas Organization, Refining, Petrochemical and Offshore Industries etc. All of our products are available for third party inspection, such as SGS, BV, Lloyd's, TUV etc.


Stainless Steel Pipe Fittings -Butt-weld Fittings Dimension – ANSI/ASME B16.9

Product

Size*

Wall Thickness**

Seamless

Welded

Elbow

1/2"-24"

SCH10S~XXS

8"-104"

SCH5S~80S/XS

 

Tee

1/2"-24"

SCH10S~XXS

8"-104"

SCH5S~80S/XS

 

Reducer

1/2"-24"

SCH10S~XXS

8"-104"

SCH5S~80S/XS

 

Cap

1/2"-80"

SCH10S~SCH160

 

Lap Joint Stub End

1/2"-24"

SCH5S~80S/XS

8"-80"

SCH5S~80S/XS

 

Notes:
*Dimension range is not available for duplex and some special grade (For example, super duplex S32750 ≤16”). Please make a specific enquiry.
** Wall thickness range is not available for duplex and some special grade, please make a specific enquiry.

What Material We Do

Material

Grade

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.).

DSS & SDSS

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

Nickel Alloy

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

Copper-Nickel Alloy

C71500, C70600 (CuNi 90/10, CuNi 70/30 )

Titanium Alloy

Ti Gr. 1, Gr. 2, Gr. 3, Gr.5, Gr. 6, Gr. 9, Gr.11, Gr. 12, A-1, A-3 etc.


Available Standard for Stainless Steel Pipe Fittings

The Common Manufacturing Standard for Stainless Steel Pipe Fittings

Norm

Specification

 

Stainless Steel Butt-weld Fittings

ASME B16.9

Factory-Made Wrought Buttwelding Fittings

MSS-SP-75

High-Strength, Wrought, Butt-Welding Fittings

MSS-SP-43

Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications

EN 10253-4

Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements

EN 10253-3

Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection

ISO 05251

Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements

GOST 17375

Carbon and low-alloy steel butt-welding fittings Elbow Design

GOST 17376

Carbon and low-alloy steel butt-welding fittings Tees Design

GOST 17378

Carbon and low-alloy steel butt-welding fittings Reducers Design

GOST 17379

Carbon and low-alloy steel butt-welding fittings. Elliptical caps. Design

GOST 17380

Carbon and low-alloy steel butt-welding fittings. Specifications

GB12459

Steel Wrought Buttwelding Fittings

JIS B2311

Steel Butt-Welding Pipe Fittings for Ordinary Use

JIS B2312

Steel Plate Butt-Welding Pipe Fittings

JIS B2313

Steel Plate Butt-Welding Pipe Fittings

 

Stainless Steel Forged Fittings

ASME B16.11

Forged Fittings, Socket-Welding and Threaded

MSS SP-79

Socket-Welding Reducer Inserts

MSS SP-83

Class 3000 and 6000 Pipe Unions, Socket Welding and Threaded (Carbon Steel, Alloy Steel, Stainless Steels, and Nickel Alloys).

MSS SP-97

Integrally Reinforced Forged BranchOutlet Fittings - SocketWelding, Threaded, and Buttwelding Ends

BS 3799

Specification for Steel Pipe Fittings, Screwed and Socket-Welding for the petroleum industry

JIS B2302

Carbon Steel & Stainless Steel Socket Product of Standards

JIS B2316

Steel socket-welding pipe fittings

*The specification is for reference only.

Our Strength

  • Package supplying of pipes, fittings and flanges etc.
  • Low cost and quality guaranteed
  • Small order available from stock
  • Fast delivery time by air and express
  • Various materials, including stainless steel, duplex stainless and nickel alloy