Amardeep Steel proudly presents 303 stainless steel tubes, also known as "18-8" chromium-nickel stainless
steel tubes. Recognized for its unique characteristics, this grade cannot be hardened through heat treatment
and exhibits non-magnetic properties in its annealed state. Notably, 303 stainless steel tubes boast an
impressive ability to withstand high temperatures, reaching up to 760°C.
At Amardeep Steel, we go beyond standard offerings. Our facility is equipped to provide customized services
tailored to your specific needs. Leveraging advanced machines and offering reasonable prices, we ensure a
diverse range of sizes, shapes, and surface finishes to match your requirements.
| UNS | TYPE | AMS | ASTM | FEDERAL | CHARACTERISTICS |
| S30300 | 303 | 5640 | A-314A-582 | - | Atmospheric corrosion resistance with improved mechanical properties. 303 is a 300 Grade with increased sulfur for good machinability. |
| % | Cr | Ni | C | Si | Mn | P | S | Mo | Fe |
| 303 | min: 17.0 max:19.0 | min: 8.0 max: 10.0 | 0.15 max | 1.00 max | 2.0 max | 0.20 max | 0.15 min | 0.75 | balance |
| Grade | Tensile Strengtdksi (min.) | Yield Strengtd 0.2%Offset ksi (min.) | Elongation -% in 50 mm (min.) | Hardness(Brinell) MAX | Hardness(Rockwell B) MAX |
| 303 | 75 | 30 | 35 | 228 |
| Denstiy lbm/in3 | Coefficient of thermal Expansion (min/in)-°F | ElectricalResistivity mW-in | thermal Conductivity BTU/hr-ft-°F | Melting Range | |||||||
| at 68°F | at 68 – 212°F | at 68 – 932°F | at 68 – 1450°F | at 68 °F | at 212 °F | at 392°F | at 752 °F | at 1112 °F | at 1472°F | at 68–212°F | |
| 0.29 | 9.2 | 10.4 | 10.9 | 28.3 | 30.7 | 33.8 | 39.4 | 43.7 | 47.6 | 113.2 | 2552°F |
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