What’s The Difference Between 304l And 316l Steel?

We produce ASTM/ASME Grade 304, Grade 304L,304h, 316, 316L, 316H, 316TI, 321, 321H, 309S, 309H, 310S, 310H, 410S, 2205, 904L, 2507, 254, gh3030, 625, 253MA, S30815, 317L, Type 317, 316lN, 8020, 800, 800H, C276, S32304 and others special requirement stainless steel grade.

aisi 304l stainless steel


Better corrosion resistance than Type 302. High ductility, wonderful drawing, forming, and spinning properties. Essentially non-, becomes slightly magnetic when cold worked.

The addition of nickel is used to raise the general corrosion resistance required in additional aggressive usage or conditions. The presence of molybdenum (Mo) improves the localized corrosion resistance. Other alloy metals are also used to enhance the construction and properties of stainless-steel such as Titanium, Vanadium, and Copper. Non steel additions usually embrace pure parts similar to Carbon and Nitrogen as well as Silicon.

The addition of nitrogen additionally improves resistance to pitting corrosion and will increase mechanical strength. Thus, there are numerous grades of stainless steel with varying chromium and molybdenum contents to go well with the environment the alloy must endure.


  • Type 304, the commonest grade of stainless-steel with 18% chromium, is proof against approximately 870 °C (1,600 °F).
  • The minimum 10.5% chromium in stainless steels offers resistance to approximately seven hundred °C (1,300 °F), whereas 16% chromium offers resistance as much as approximately 1,200 °C (2,200 °F).
  • Stainless steels have a protracted historical past of software involved with water because of their wonderful corrosion resistance.
  • Other gases, such as sulfur dioxide, hydrogen sulfide, carbon monoxide, chlorine, also assault chrome steel.
  • Resistance to different gases relies on the type of fuel, the temperature, and the alloying content of the stainless-steel.

Width: 1000mm,1219mm,125mm0,1500mm,2000mm,or required

Our stainless production

Low carbon content means much less carbide precipitation in the heat-affected zone during welding and a lower susceptibility to intergranular corrosion. The main difference between 304 vs 316 chrome steel is the composition and corrosion resistance, doesn’t include molybdenum while SS316 accommodates 2-three% molybdenum.

This makes grade 316 stainless notably fascinating for applications where exposure to salt or different powerful corrosives is a matter. Type 304 and Type 316 stainless steels are unaffected weak bases corresponding to ammonium hydroxide, even in excessive concentrations and at high temperatures. The similar grades uncovered to stronger bases such as sodium hydroxide at excessive concentrations and excessive temperatures will likely expertise some etching and cracking. Increasing chromium and nickel contents provide increased resistance. Unlike carbon metal, stainless steels don’t undergo uniform corrosion when exposed to moist environments.

The elevated nickel content material and the inclusion of molybdenum allows for grade 316 stainless-steel to have better chemical resistance than 304 stainless-steel. It’s capacity to withstand acids and chlorides, including salt, makes grade 316 ideal for chemical processing and purposes. The elevated nickel content material and the inclusion of molybdenum makes grade 316 stainless-steel a bit costlier than grade 304 per ounce of fabric. But where grade 316 stainless proves superior is its elevated corrosion resistance—particularly in opposition to chlorides and chlorinated options.

Unprotected carbon metal rusts readily when exposed to a mix of air and moisture. The ensuing iron oxide layer is porous and fragile. In addition, as iron oxide occupies a larger volume than the original steel, this layer expands and tends to flake and fall away, exposing the underlying metal to additional assault. This passive movie prevents further corrosion by blocking oxygen diffusion to the metal floor and thus prevents corrosion from spreading into the majority of the steel. This film is self-repairing, even when scratched or temporarily disturbed by an upset condition within the setting that exceeds the inherent corrosion resistance of that grade.

We have thousands tons stock of stainless steel and coil with various size and grade,mainly include austenitic stainless steel, martens stainless steel (including precipitation hardened stainless steel sheet & coil), ferritic stainless steel, and duplex stainless steel.

Characteristics of Stainless Steel Sheet and Plate:
High corrosion resistance
High strength
High toughness and resistance
Temperature resistance
High workability, including , stamping, fabricating and welding
Smooth surface finish that can be easily clean

aisi 304l stainless steel
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