Depending on the customer's end-use requirements, cutlery alloys such as these Stainless Steel 904L End Cap are usually selected with respect to heat treating response, mechanical properties and fabricating characteristics. While Stainless Steel 904L Stub End can be machined in the annealed condition, it tends to perform better in the cold drawn or heat treated condition. For solution annealing in SS 904L Bend, slow controlled cooling from 1500 Degree F / 1600 Degree F, and for hardening, heat up to 1700 Degree F / 1850 Degree F, further quench in air or oil. For maximum corrosion resistance to chemical environments, SS 904L Reducer is essential that the stainless steel surface be free of all heat tints or oxide formed during forging, annealing, or heat treating. Applications requiring moderate corrosion resistance and high mechanical properties are ideal for this Stainless Steel 904L Cross.
LIST OF STAINLESS STEEL 904L PIPE FITTING
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- STEEL 904L PIPE FITTINGS
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- SS 904L BUTTWELD FITTING
Our Stainless Steel 904L Tee is often used for Pump Shafts, Gas and Steam Turbine Components, Valve Components and more. Operating temperatures of these SS 904L Elbow are often affected by their loss of strength at high temperatures, due to over-tempering and loss of ductility at sub-zero temperatures. Small sections of our Stainless Steel 904L Butt Weld Fittingscan be air cooled and larger sections oil quenched for maximum through hardness. We are a known producer of SS 904L Pipe Fittings, which has good corrosion resistance along with high strength and hardness.
Equivalent Grades for 904L Stainless Steel Pipe Fittings
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 904L | N08904 | 904S13 | X1NiCrMoCu25-20-5 | 1.4539 | – | – | SUS 890L |
904L SS Welded Buttweld Fittings Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 904L | min. | – | – | – | – | – | 19.0 | 4.00 | 23.00 | 0.10 |
| max. | 0.20 | 2.00 | 1.00 | 0.045 | 0.035 | 23.0 | 5.00 | 28.00 | 0.25 | |
Stainless Steel 904L Seamless Pipe Fitting Mechanical Properties
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 904L | 490 | 220 | 35 | 70-90 typical | – |
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