The Stainless Steel 420 Coils are one of the martensitic series of stainless steel. The Stainless steel 420 grade is an altered version of the Stainless Steel 410 grade. In the chemical composition of SS 420 Coils, there is a 12% chromium element, which is adequate to provide the SS 420 Coils with a good amount of resistance against corrosion. While the carbon content in the SS 420 Coils is mildly higher to improvise the strength and hardness features of the same. The SS 420 Coils comprise good ductility when in the annealed phase. It can be hardened up to 50 HRC on the Rockwell standards, the hardest stainless steel grade amongst the 12% chromium category. Due to this tremendous hardness, the SS 420 Coils are not welded even though they are capable of welding. The resistance that the SS420 Coils exhibit is deceased when in the annealed phase.
Accurate Metals & Alloys is a manufacturer, exporter, and dealer of Stainless Steel 420 Coils. We are also a well-known stocking firm of Stainless Steel 420 Coils and many other Stainless Steel products.
The Stainless Steel 420 Coils are martensitic alloys of stainless steel. The SS 420 Coil is used for general purposes but is also used in the product manufacturing industry. These SS 420 Coils are categorized into a few profiles, out of which two profiles are the foremost choices of the industrialists. Those two profiles are the Stainless Steel 420 Hot Rolled Coils and the Stainless Steel 420 Cold Rolled Coils.
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Meanwhile, these SS 420 Coils function well with smooth surface finishes. The scaling temperature for the SS 420 Coils is fairly 650℃. These SS 420 Coils are suitable for cold working but only to a certain extent. The tempering actions on SS 420 Coils can be conducted between the temperatures of 148℃ to 204℃.
The Stainless Steel 420 Coils are fabricated into numerous conventional medical equipment, systems, and working units. Thus the applications for the SS 420 are knife blades and cutlery, needle valves, surgical instruments, scissors, shear blades, and hand tools.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | EN |
| SS 420 | 1.4021 | S42000 | SUS 420J1 | 420S29 | X20Cr13 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni |
| SS 420 | 0.15 max | 1.00 max | 1.000 max | 0.040 max | 0.030 max | 12.00 – 14.00 | 0.50 max | 0.75 max |
| Grade | Tensile Strength | Yield Strength (0.2%Offset) | Reduction in Area | Elongation | Hardness |
| SS 420 | Psi – 85,000 | Psi – 45,000 | 50% | 55% | Rb 180 |
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