What are the different manufacturing methods used for producing Stainless steel 304 pipe fittings?

These fittings, produced from an austenitic stainless steel grade with 18% chromium and 8% nickel, deliver high durability in critical applications. Stainless steel 304 pipe fittings constitute manganese, phosphorus, sulfur, and silicon.

Typically, manufacturers choose one of these manufacturing techniques for pipe fittings:

  • Forging entails heating, shaping, and machining the raw material into the required dimensions and shapes. Open-die forging gets preferred for larger fittings, while closed-die is better suited to complex components.
  • Hot forming pushes the heated material over a mandrel to obtain the required fitting.
  • Cold forming uses extrusion instead of heat. UNS S30400 seamless fittings also get produced through extrusion.

Some mills also use hydraulic bulging forming, stamping, and rolling wheels for manufacturing pipe fittings.

ASTM A403 WP304 elbow manufacturer in India as per ASME B16.9

Stainless steel 304 pipe fittings manufacturer in India

Can Stainless steel 304 fittings be used in saltwater environments?

Marine industries require pipe fittings that can handle seawater without corrosion or deformation. 304 SS fittings are not the best choice for continuous exposure to seawater due to their abundance of chlorides.

They are vulnerable to corrosion, which can lower the performance of your application. Stainless steel 304 fittings may tolerate saltwater intermittently in applications like splash zones or coastal services. But the components must get cleaned with fresh water repeatedly.

We are trusted supplier of Stainless steel 304 fittings in Mumbai, Quickly get latest pricing of SS 304 tee

Stainless steel 304 pipe fittings

Stainless steel 304 pipe fittings

Stainless steel 304 buttweld fittings

Stainless steel 304 buttweld fittings

ASTM A403 WP304 elbow

ASTM A403 WP304 elbow

What are the common pressure ratings of ASTM A403 WP304 elbow?

Elbow fittings are useful components to alter the flow direction at angles like 90, 180, or 45 degrees. An ASTM A403 WP304 elbow works in general engineering and in the petroleum and construction industries.

Predictably, it can handle high pressures and temperatures. You can procure these fittings pressure ratings from Class 150 to 2500. Buyers should consider the pipe schedule (thickness) with the corresponding pressure class.

As a reliable stockist of stainless steel 304 buttweld fittings, we offer WNR 1.4301 reducer and stub end at affordable prices with leak-proofness test reports

Stainless steel 304 pipe fittings specifications

Stainless steel 304 pipe fittings specifications

Welded Fittings Size Seamless Fittings Size Standard
4″-72″ 1/2″ to 24″ ASME/ANSI B16.9, ASME B16.28
Type Schedule Thickness
Elbow, tee, reducer, cap stub end Sch 5 to XXS 10 swg. to 20 swg.
Forged Fittings Sizes Specification Process
1/2″ to 4″ ASTM A403 / ASME SA403 Seamless, welded, fabricated
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SS 304 fittings types

Stainless steel 304 fittings

Stainless steel 304 fittings

  • Standard: ASME B16.9/ ASME B16.28
  • Yield strength : 215MPa

SS 304 fittings

SS 304 fittings

  • Tensile strength : 505MPa
  • Temperature: up to 870°C

Werkstoff nr. 1.4301 tee

Werkstoff nr. 1.4301 tee

  • Sizes: 1/2″ to 48″
  • Methods: Seamless, welded, buttweld

SA403 WP304 reducer

SA403 WP304 reducer

  • Types: Elbow, tee, reducer, cap, pipe cross
  • Application: Chemical, petrochemical, oil and gas

SS 304 pipe fittings

SS 304 pipe fittings

  • Surface finish: Hot dip galvanized, Epoxy coated, Mirror polish
  • Schedule: SCH 5 to SCH XXS

304 stainless steel weld fittings

304 stainless steel weld fittings

  • Testing methods: hydrotest, proof test, NDT test, destructive
  • Thickness: 1.5MM to 20MM
ASTM A403 WP304 elbow dimensions
NPS (Normal Pipe Size) OD(Outside Daimeter) 45 Deg Elbow Fittings 90 Deg Elbow Fittings 180 Deg Return Elbow
(inch) Long Radius Elbow Short Radius Long Radius Elbow Long Radius Elbow
inch mm Radius
(Inch)
Center to Face
(Inch)
Center to Face
(Inch)
Center to Face
(Inch)
Back to face
(Inch)
Center to Center
(Inch)
3/4 1.050 26.7 7/16 1 1/8 1 11/16 2 1/4
1/2 0.840 21.3 5/8 1 1/2 1 7/8 2
1 1/4 1.660 42.2 1 1 1/4 1 7/8 2 3/4 3 3/4
1 1.315 33.4 7/8 1 1 1/2 2 3/16 3
1 1/2 1.900 48.3 3 1 1/8 1 1/2 2 1/4 3 1/4 4 1/2
2 1/2 2.875 73.0 5 1 3/4 2 1/2 3 3/4 5 3/16 7 1/2
2 2.375 60.3 4 1 3/8 2 3 4 3/16 6
3 1/2 4.000 101.6 7 2 1/4 3 1/2 5 1/4 7 1/4 10 1/2
3 3.500 88.9 6 2 3 4 1/2 6 1/4 9
5 5.563 141.3 10 3 1/8 5 7 1/2 10 5/16 15
4 4.500 114.3 8 2 1/2 4 6 8 1/4 12
6 6.625 168.3 12 3 3/4 6 9 12 5/16 18
10 10.750 273.1 15 6 1/4 10 15 20 3/8 30
8 8.625 219.1 12 5 8 12 16 5/16 24
12 12.750 323.9 18 7 1/2 12 18 24 3/8 36
WP grades classes of DIN 1.4301 tee
Construction Fittings Classes Non-destructive Exam
Welded WX Radiography
Welded W Radiography or Ultrasonic
Seamless S None
Welded WU Ultrasonic
Weight chart of Stainless steel 304 buttweld fittings
NPS KG LBS
2-1¼ 0.54 1.2
2-1½ 0.59 1.3
2-3/4
2-1 0.5 1.1
2½-1½ 1 2.2
2½-2 1.11 2.45
2½-1
3-2½ 1.88 4.15
2½-1¼ 0.95 2.1
3-1½ 1.45 3.2
3-1¼
3-2 1.59 3.5
3½-3 2.72 6
3½-2 2.04 4.5
3½-1½
3½-2½ 2.45 5.4
3½-1¼
4-3 3.4 7.5
4-3½ 3.72 8.2
4-2 2.7 5.95
4-1½
4-2½ 4.76 10.5
5-4 5.94 13.1
5-3 5.17 11.4
5-3½ 5.53 12.2
5-2½ 4.76 10.5
6-5 9.39 20.7
5-2
6-4 8.35 18.4
6-3 7.44 16.4
6-3½ 7.85 17.3
6-2½
8-5 16.1 35.5
8-6 17.78 39.2
8-4 14.7 32.4
10-8 32.3 71.2
8-3½
10-6 27.76 61.2
10-4
10-5 25.72 56.7
12-8 43.77 96.5
12-10 50.58 111.5
12-6 38.42 84.7
Manufacturing standards of 304 SS fittings
  • MSS SP-43
  • ASME B16.9
  • ASME SA403/ASTM A403
Werkstoff nr. 1.4301 reducer dimensions
Nominal
Pipe Size
Outside
Diameter
Reducers
Reduced from
(Inch)
(mm) (Inch) Reduced to
(Inch)
Concentric & Eccentric Length
(Inch)
1/2 21.3 0.840 1/4 1 1/2
3/8 1 1/2
3/4 26.7 1.050 3/8 2
1/2 2
1 33.4 1.315 3/8 2
1/2 2
3/4 2
1 1/4 42.2 1.660 1/2 2
3/4 2
1 2
1 1/2 48.3 1.900 1/2 2 1/2
3/4 2 1/2
1 2 1/2
1 1/4 2 1/2
2 60.3 2.375 3/4 3
1 3
1 1/4 3
1 1/2 3
2 1/2 73.0 2.875 1 3 1/2
1 1/4 3 1/2
1 1/2 3 1/2
2 3 1/2
3 88.9 3.500 1 3 1/2
1 1/2 3 1/2
2 3 1/2
2 1/2 3 1/2
3 1/2 101.6 4.000 1 1/4 4
1 1/2 4
2 4
2 1/2 4
3 4
4 114.3 4.500 1 1/2 4
2 4
2 1/2 4
3 4
3 1/2 4
5 141.3 5.563 2 5
2 1/2 5
3 5
3 1/2 5
4 5
6 168.3 6.625 2 1/2 5 1/2
3 5 1/2
3 1/2 5 1/2
4 5 1/2
5 5 1/2
8 219.1 8.625 3 6
3 1/2 6
4 6
5 6
6 6
10 273.1 10.750 4 7
5 7
6 7
8 7
12 323.9 12.750 5 8
6 8
8 8
10 8
SS 304 fittings pressure rating
Fittings (psig) Pressure-Temperature ratings
Ratings of Temperature fittings Pressure Class
150 300
1 1/4 – 2 inch. 1/4 – 1 inch. 2 1/2 – 3 inch.
(oC) (oF)
93 200 265 1350 1785 910
-29 to 66 -20 to 150 300 1500 2000 1000
149 300 185 1050 1360 735
121 250 225 1200 1575 825
204 400 750 935 560
177 350 150 900 1150 650
260 500 450 510 385
232 450 600 725 475
288 550 300 300 300
Tolerance of UNS S30400 seamless fittings
Pipe Fittings Tolerance
Common Type Of Buttweld Fittings 45 degree elbows And 90 deg elbows fittings 180 Deg Returns
Normal Size Of Steel Pipe ID
at End
OD
at Bevel
WT For (Wall Thickness)
t / t1
Center-End Dai. A-B-C-M Back-Face Dai.
(K)
Center-Center Dai.
(O)
Align-ment of Ends
(U)
3 a 3 1/2 1,6 1 less 2 7 7 1
1/2 a 2 1/2 0,8 1 Not 2 7 7 1
32 a 48 4,8 +7 -5 5
4 1,6 +2 -1 than 2 7 7 1
8 1,6 2 of nominal 2 7 7 1
5 a 6 1,6 +3 -1 87,50% 2 7 7 1
10 3,2 +4 -3 thickness 2 7 7 2
20 a 24 4,8 +6 -5 3 10 2 7
12 a 18 3,2 +4 -3 3 10 2 7
26 a 30 4,8 +7 -5 3
Size chart of 304 stainless steel weld fittings
Welded fittings Seamless fittings
Elbows Up to 42″ Up to 24″
End Caps Up to 24″
Tees Upto 36″ Upto 24″
Return Bends Up to 8″
Reducers Up to 48″ Up to 24″
Swage Nipple Up to 4″
Cross Upto 36″ Upto 8″
Physical properties of SS 304 pipe fittings
304
Hardness (Brinell) 201
Melting Range,℃ 1400 ℃
Density 8
Tensile Strength (Mpa) 515
Elongation % 40
Yield Strength (Mpa) 205
Check complete information of SA403 WP304 pipe cap like dimensions, weight, properties here online
ASTM A403 WP304 elbow chemical composition
Weight % C Mn P S Si Cr Ni
304 .08 2.00 .045 .030 1.00 18.0-20.0 8.0-11.0
Stainless steel 304 buttweld fittings mechanical properties
Grade Strength of Yield 0.2% Proof (MPa) minimum Elongation (% in 50mm) minimum Strength of Tensile (MPa) minimum Hardness
Brinell (HB) maximum Rockwell B (HR B) maximum
304 205 40 515 201 92
Equivalent grades of SS 304 fittings
Grade Old British UNS No Euronorm Japanese JIS Swedish SS
En BS Name No
304 58E 304S31 S30400 X5CrNi18-10 1.4301 SUS 304 2332
How do I properly store Stainless steel 304 buttweld fittings?

Proper storage is salient to maintain the quality and performance of stainless steel 304 buttweld fittings. They must get stored under a ventilated, opaque cover and kept away from debris and contamination. It is also vital to keep them well-supported to avoid bending or safety hazards to the personnel handling them.

Buyers can use a storage system that provides continuous support. A paramount consideration is to keep 304 stainless steel weld fittings away from excessive heat, dampness, and compressive forces. Tightly enclosed or cramped areas are not advisable for storage.

What are the benefits of utilizing SS 304 fittings?

These pipe fittings have extensive uses in food and chemical processing, heat exchangers, and petrochemicals. SS 304 fittings offer numerous benefits to industrial applications:

  • High tensile strength (515 to 625 MPa)
  • Corrosion resistance to abrasives, oxidizing acids, and medium-strength organic acids like acetic and formic
  • Flexible, weldable, and formable into different types, like an SA403 WP304 reducer
  • Durable and low maintenance
  • Suitable for high temperatures
How can I purchase Werkstoff nr. 1.4301 tee?

Tees are popular pipe fittings to connect three pipes or piping sections in a junction. A Werkstoff nr. 1.4301 tee is based on the German “Werkstoff” numbering system. It extends numerous advantages in corrosion resistance, easy cleaning, and long service duration.

Customers must specify the connection type while ordering: male or female threaded. Consider using fittings of the same material as those employed in the application.

Manufacturers can produce SS 304 pipe fittings in client-specified sizes, thicknesses, and designs. We recommend ensuring compatibility with the media and the quality/production standards and codes.

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