310 Stainless Steel Scrap is a high-temperature austenitic stainless steel containing substantially more chromium and nickel than common grades such as 304. Its alloy chemistry gives it strong resistance to oxidation, scaling and other forms of high-temperature corrosion, making 310 an important specialty stainless scrap stream.
Because 310 can look very similar to other stainless steels, accurate alloy identification is especially important when handling commercial quantities or mixed high-temperature alloys.
What Is 310 Stainless Steel?
Type 310, also known as UNS S31000, is an austenitic chromium-nickel stainless steel. Standard 310 specifications generally contain approximately 24% to 26% chromium and 19% to 22% nickel, with iron making up most of the balance.
The relatively high chromium content provides strong resistance to oxidation and scaling at elevated temperatures, while the high nickel content helps maintain an austenitic structure and provides useful strength and resistance in demanding high-temperature environments.
310 stainless cannot be hardened by conventional heat treatment. Its mechanical properties can be changed through cold working, while solution annealing is used to restore ductility and corrosion resistance after fabrication or prolonged high-temperature exposure.
What Is 310 Stainless Steel Used For?
310 stainless is primarily used where equipment must withstand sustained heat, thermal cycling and high-temperature oxidation.
Common applications include:
- Industrial furnace components
- Heat-treatment baskets, trays and fixtures
- Combustion tubes and burner components
- Boilers and thermowells
- Heat exchangers
- High-temperature ducting
- Radiant tubes
- Furnace linings and supports
- Steel and nonferrous metal processing equipment
- Cement-industry equipment
- Energy-conversion and thermal-processing systems
310 vs. 310S vs. 310H Stainless Steel
The 310 family includes several closely related grades designed for different operating conditions.
- 310: The standard high-chromium, high-nickel grade used for elevated-temperature service.
- 310S: A lower-carbon version often selected where welding, fabrication or exposure to corrosive conditions below typical high-temperature service is important.
- 310H: A controlled higher-carbon version intended to provide greater high-temperature strength and creep resistance.
These grades may have different commercial values and end uses, so industrial scrap should be identified by documentation or alloy analysis whenever possible.
310 Stainless vs. 309 Stainless
309 Stainless Steel and 310 are both high-temperature chromium-nickel stainless grades.
310 generally contains more chromium and nickel than 309, giving it stronger oxidation resistance and making it suitable for more demanding high-temperature applications.
Because the two alloys can look virtually identical, appearance alone should not be used to distinguish 309 from 310 scrap.
310 Stainless vs. 304 Stainless
304 Stainless Steel is a general-purpose chromium-nickel stainless widely used in food equipment, architectural products, tanks, appliances and fabrication.
310 contains substantially more chromium and nickel and is designed primarily for high-temperature service. Its advantage over 304 is therefore most important in applications involving oxidation, scaling and strength at elevated temperatures.
That does not mean 310 is automatically the better alloy in every environment. Alloy selection depends on temperature, corrosion conditions, mechanical requirements and cost.
310 Stainless vs. 316 Stainless
316 Stainless Steel contains molybdenum and is widely used where resistance to pitting and crevice corrosion in chloride-containing environments is important.
310 is instead optimized primarily for high-temperature oxidation resistance. For scrap processors, this distinction is important because 310 and 316 contain different valuable alloying elements and should not be mixed when their identities are known.
Is 310 Stainless Steel Magnetic?
310 is an austenitic stainless steel and is generally non-magnetic or only weakly magnetic in the annealed condition.
Fabrication and cold working can alter magnetic response, so a magnet should be treated only as a preliminary sorting tool and not as a reliable method for confirming 310 stainless.
How Can You Identify 310 Stainless Scrap?
Visual appearance alone cannot reliably distinguish 310 from 309, 304, 316 or other stainless grades.
Commercial processors may use:
- Mill certificates and alloy records
- Known equipment or production sources
- Handheld XRF analyzers
- Other positive material identification methods
Source segregation is particularly useful when 310 is removed from known furnace, combustion or heat-treatment equipment.
What Affects 310 Stainless Steel Scrap Prices?
310 Stainless Steel Scrap prices are influenced by nickel and chromium markets, alloy certainty, material form, cleanliness, contamination, quantity, location and buyer demand.
Clean, positively identified 310 solids may be valued differently from mixed stainless, turnings, contaminated material or scrap carrying significant carbon-steel attachments.
For current grade-specific pricing, view RecyclingMonster's 310 Stainless Steel Scrap Prices. You can also compare the broader Stainless Steel Scrap Prices section for current stainless market data.
How to Maximize 310 Stainless Scrap Value
- Keep known 310 separate from 304, 309, 316 and mixed stainless.
- Separate 310 from specialty nickel alloys when the chemistry is known.
- Preserve mill certificates, maintenance records or equipment documentation when available.
- Remove excessive carbon-steel attachments and other contamination when economically practical.
- Keep clean solids separate from turnings, fines and machining debris.
- Use positive material identification for mixed specialty-alloy loads.
- Confirm the buyer's preparation, size and contamination requirements before processing large quantities.
Where Can You Sell 310 Stainless Steel Scrap?
310 stainless is purchased by stainless-steel processors, specialty-alloy recyclers and metal recycling centers. Because 310 is a specialty high-temperature grade, not every scrap yard will price it separately from mixed stainless.
Use RecyclingMonster's Metal Recycling Center Directory to locate metal recyclers and specialty-alloy buyers. The Recycle an Item search can also help identify facilities accepting stainless steel and related alloy grades.
Have Large Quantities of 310 Stainless?
Industrial furnaces, heat-treatment facilities, steel mills, foundries, petrochemical plants and equipment manufacturers can generate significant quantities of 310 stainless when thermal-processing equipment is replaced or dismantled.
For bulk loads, identify and segregate the alloy before pickup whenever possible. Ask prospective buyers about alloy testing, container service, minimum quantities, freight, pickup options and whether pricing is based on verified 310 chemistry.