SS 304/304L/304H Buttweld Fittings
Om Export India Pvt Ltd is a name that stands out in the industry as a manufacturer and supplier of SS 304/304L/304H Buttweld Fittings. They handle all aspect of the process, from testing and packing to production and final product delivery, all while upholding the product’s unique quality. Long radius elbows, eccentric reducers, concentric reducers, and tees are examples of SS buttweld fittings. In the industrial plumbing system, these fittings are crucial for mechanically joining equipment to the system, changing directions, and branching off. The ASME standard B16.9 provides an explanation of these tolerances and specifications.
SS 304H Pipe Fittings, UNS S30400 Pipe Elbow, ASME SA403 SS 304H Pipe Bend, ANSI B16.9 SS 304H Pipe Cap, ASTM A403 SS 304L Butt weld Pipe Fittings, DIN 1.4307 Stub End, ASTM A403 WP304 / 304L Stainless Steel Buttweld Fittings Exporter, UNS S30403 Seamless Fittings, Stainless Steel 304 Pipe Fittings Manufacturer in India.
Weld fittings have the following advantages: seamless internal flow with pipe matching offer schedule; continuous metal construction that strengthens the piping system. With a complete penetration weld and an appropriately fitted LR 90 Elbow concentric reducer and reducer, among other things, it provides a progressive transition via welded pipe fitting. It provides a far more robust relationship. Although there are many different kinds of fittings, they are all scheduled as pipes and come in the same diameters. All buttweld fittings have a slanting finish, with ferritic stainless steel having a 5 mm finish and austenitic stainless steel having a 4 mm wall thickness. These bevelled ends are necessary in order to create a Butt Weld.
SS 304L Buttweld Elbow, MSS SP-43 or MSS SP-79 Stainless Steel 304 Welded Pipe Fittings, DIN 1.4301 LR Elbow Dealer, ASTM A403 Stainless Steel 304 / 304L / 304H Fittings, SS 304H Reducing Tee, UNS S30409 SR Elbow, SS 304 Reducer Stockist, SS 304H 180 Deg Elbow Trader, ASTM A403 WP304H Stainless Steel Piggable Bend , ANSI B16.28 Stainless Steel 304 Equal Tee Supplier in India.
The SS 304/304L/304H Buttweld Fittings have the following benefits: they take up the least amount of space; they permanently seal out leaks when a fitting is welded to the pipe; they minimise corrosion and erosion; they reduce pressure turbulence and losses; and they strengthen the system due to the constant metal structure that forms between the fitting and the pipe.
304/304L/304H STAINLESS STEEL ASTM A403 BUTTWELD FITTINGS EQUIVALENT GRADES
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST |
| SS 304 | S30400 | 1.4301 | Z7CN18‐09 | X5CrNi18-10 | SUS 304 | 304S31 | 08Х18Н10 |
| SS 304L | S30403 | 1.4306/1.4307 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 | SUS 304L | 304S11 | 03Х18Н11 |
| SS 304H | S30409 | 1.4301 | - | - | - | - | - |
Specification of SS 304/304L/304H Buttweld Fittings
Specifications : ASTM A403 / ASME SA403
Dimensions : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Size : Seamless Butt Weld Fittings : 1/2″ – 10″ | Welded Butt Weld Fittings : 1/2″ – 48″
Schedule : SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
Bending Radius : R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Type : Seamless / ERW / Welded / Fabricated
Thickness :20 Swg., 18 Swg., 16 Swg., 14 Swg., 12 Swg., 10 Swg., & Sch. 10, Sch. 40, Sch. 80 etc.
CHEMICAL COMPOSITION OF SS 304/304L/304H SEAMLESS AND WELDED PIPE FITTINGS
| C | Mn | Si | P | S | Cr | Ni | N | |
| 304 | 0.07max | 2.0max | 0.75max | 0.045max | 0.03max | min: 18.0 max: 20.0 | min: 8.0 max: 10.5 | — |
| 304L | 0.03max | 2.0max | 0.75max | 0.045max | 0.03max | min: 18.0 max: 20.0 | min: 8.0 max: 12.0 | 0.10 max |
| 304H | min: 18.0 max:20.0 | min: 8.0max: 10.5 | min: 0.04 max: 10.5 | 0.75 max | 2.0 max | 0.045 max | 0.03 max | 0.10 max |
MECHANICAL PROPERTIES OF ASME SA403 SS WP304 / 304L/ 304H BUTTWELD PIPE FITTINGS
| Grade | Tensile Strength ksi (min) | Yield Strength 0.2% ksi (min) | Elongation % | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
| 304 | 75 | 30 | 40 | 201 | 92 |
| 304L | 70 | 25 | 40 | 201 | 92 |
| 304H | 75 | 30 | 40 | 201 | 92 |
PHYSICAL PROPERTIES OF ASTM A403 STAINLESS STEEL 304/304L/304H PIPE FITTINGS
| SS 304/304L | ||||||
| Density | Thermal Conductivity | Electrical | Modulus of | Coefficient of | Specific Heat | Melting |
| lbm/in3 | (BTU/h ft. °F) | Resistivity | Elasticity | Thermal Expansion | (BTU/lb/ | Range |
| (in x 10-6) | (psi x 106 | (in/in)/ | °F) | (°F) | ||
| °F x 10-6 | ||||||
| at 68°F: 0.285 | 9.4 at 212°F | 28.3 at 68°F | 28 | 9.4 at 32 – 212°F | 0.1200 at 68°F to 212°F | 2500 to 2590 |
| 12.4 at 932 °F | 39.4 at 752°F | 10.2 at 32 – 1000°F | ||||
| 49.6 at 1652 °F | 10.4 at 32 – 1500°F | |||||
| SS 304H | ||||||
| Denstiy | Coefficient of | Thermal Conductivity BTU/hr-ft-°F | Specific Heat BTU/lbm -°F | Modules of Elasticity (annealed)2-psi | ||
| lbm/in3 | Thermal Expansion (min/in)-°F | |||||
| at 68 °F | at 68 – 212°F | at 68 – 1600°F | at 212°F | at 932°F | at 32 – 212°F | in tension (E) |
| 0.285 | 9.2 | 11 | 9.4 | 12.4 | 0.12 | 29 x 106 |
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