Mahaveer Steels is a supplier of steel things. We supply 200 sorts of steel grade things other than into Indian business areas. Mahaveer Steels have the most broad extent of tempered steel 304/304L/304H connection weld fittings.
Stainless steel 304/304L/304H Socket-weld Fitting was created by W.H.Hatfield in 1924 and traded with Staybrite 18/18. It is maybe the most notable steel grades keeping watch, with a manufactured game plan of 18-20% of chromium and 8-11% nickel. This is a steel grade that is less thermally and electrically conductive than various gets ready having carbon. Basically, it has less alluring strength than different steel grades. In view of its surprising resistive property against utilization and advancement in various shapes, 304/304L/304H tempered steel is capably used.
Treated steel 304H has higher carbon sythesis that is 0.4-.10, which makes it every one of the more gainfully usable in employments of higher temperatures mind-set. In like manner, with its higher carbon content, this chromium-nickel blend gives more noticeable yield and versatility.
Specification : ASTM A182 / ASME SA182
Dimension Standard : ASME B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, MSS-SP-97, BS3799
Size : 1/8" NB to 4" NB
Type : Socketweld Fittings, Screwed-Threaded Fittings (NPT or PT Type)
Rating Pressure : Threaded End - 2000 /3000/ 6000 LBS.
Socket-weld End - 3000 / 6000/ 9000 LBS.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS304 | 1.4301 | S30400 | SUS304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
| SS 304H | 1.4301 | S30409 | - | - | - | - | - |
| SS 304L | 1.4306 / 1.4307 | S30403 | SUS 304L | 3304S11 | 03Х18Н11 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 |
All Socketweld Fittings is manufactured and tested / inspected to the relevant standards including ASTM, ASME and API etc.
| ASTM A182 – ASME SA182 | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| ASME B16.9 | Factory-Made Wrought Buttwelding Fittings |
| ASME B16.11 | Socket Welding and Threaded Socketweld Fittings |
| MSS SP-43 | Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications |
| MSS SP-95 | Swage(d) Nipples and Bull Plugs |
| BS3799 | Specification for Steel pipe fittings, screwed and Socket-welding for the petroleum industry |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | - | 8 – 11 | - |
| SS 304H | 0.10 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | - | 8 – 10.5 | - |
| SS 304L | 0.035 max | 2 max | 1.0 max | 0.045 max | 0.030 max | 18 – 20 | - | 8 – 13 | - |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SS 304 | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| SS 304H | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
| SS 304L | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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