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316L stainless steel ring hot forged, forged steel rings
Applications
316L Grade Stainless Steel is one of the more common austenitic stainless steels. Because of its outstanding toughness against corrosion, you can typically find 316L Stainless used in the following applications: food preparation equipment, pharmaceutical, marine, boat fittings, and medical implants (i.e- orthopaedic implants)
Chemical Formula
Carbon .03%, Manganese 2.00%, Phosphorus .045%, Sulfur .030%, Silicon .75%, Chromium 16-18.00%, Nickel 10.00-14.00%, Molybdenum 2.00-3.00%, Nitrogen-.10%, Iron- Balanced
Size: OD up to 8,000mm; ID up to 7,800mm; Thickness up to 500mm
Ultrasonic test :ASTM A 388 or according to customers' requirement
Inventory
316L Plate, 316L Sheet, 316L Round Bar, 316L Flat Bar, 316L Equal Leg Angle, 316L Unequal Leg Angles, 316L Pipe Tube & Fittings, 316L Beam, 316L Channel, 316L Hex Bar, 316L Square Bar, 316L Square Tube, 316L Rectangular Tube
Common Trade Names
316L Stainless, 316L Stainless Steel
| Grade Names (UNS)Grade | Type |
| 17-4 PH Air Melt (S17400) | Precipitation Hardening Stainless Steel |
| T-304 / T-304L (S30400 / S30403) | Austenitic Stainless Steel |
| T-316 / T-316L (S31600 / S31603) | Austenitic Stainless Steel |
| T-410 (S41000) | Martensitic Stainless Steel |
Martensitic stainless steel is used for applications where high strength is needed in hot or corrosive environments. It's strengthened through quench and tempering heat treatment. Corrosion resistance of these materials is generally less than that of the other types. Its strength, hardness and wear resistance, however, can be much higher depending on the composition and heat treatment cycles used. Martensitic grades are commonly used for rolled rings when the application requires high hardness and wear resistance in corrosive environments, such as bearings.
Austenitic stainless steel is ideal for highly corrosive environments or when high toughness or ductility is needed. It’s also beneficial for applications facing very low temperature and magnetic permeability. Austenitic steels are an excellent rolled ring option when non-ferrous options are too expensive.
Precipitation hardening (PH) stainless steels is recommended for applications requiring extremely high strength and fracture toughness in hot and corrosive environments. It can be solution annealed, machined in a soft state, and then aged to increase strength. PH steel grades are used for rolled rings when martensitic stainless can't handle the application or when extremely high dimensional tolerances are needed on parts machined prior to heat treatment.
Features
Grade 316L is very similar to 316 stainless steel. It is still considered a molybdenum-bearing grade and has properties that make it highly resistant to corrosive degradation. 316L grade stainless steel differs from 316 in that contain lower levels of carbon. The decreased level of carbon in this stainless steel makes this grade immune from sensitisation or grain boundary carbide precipitation. Because of this unique property, Grade 316L tends to be commonly used in heavy gauge welding situations. Additionally, the lower carbon levels make this grade easier to machine. Like 316 stainless steel, 316L because of its austenitic structure is extremely tough, even in the most extreme of temperatures.
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