Is 316 Stainless Steel Worth The Extra Cost Over 304?

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.


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Seawater and salt air may be especially damaging to metals. Besides the rough environment of the sea and marine applications, chlorides, similar to salt, can eat away at even the hardest metals. Salt will even compromise the protecting oxide layer of grade 304 chrome steel, leading to rust. For marine functions, or processes involving chlorides, grade 316 stainless-steel is good. Though the chrome steel 304 alloy has the next melting level, grade 316 has a greater resistance to chemicals and chlorides (like salt) than grade 304 stainless steel.

The increased nickel content and the inclusion of molybdenum makes grade 316 chrome steel a bit costlier than grade 304 per ounce of fabric. But where grade 316 stainless proves superior is its elevated corrosion resistance—particularly against chlorides and chlorinated options. This makes grade 316 stainless particularly desirable for purposes where exposure to salt or different highly effective corrosives is a matter. The two grades of chrome steel most referenced in relation to out of doors environments are 304 and 316L, also called marine-grade stainless steel.

Overall, 316 can be definitely worth the expense if you have to have superior corrosion resistance. For many other functions, grade 304 chrome steel will serve perfectly fine. Another in style excessive-performing alloy, grade 304 stainless-steel is a durable material when it comes to tensile energy, sturdiness, corrosion, and oxidation resistance. The melting level of stainless-steel 304 is reached at temperatures ranging between 2,550 °F – 2,650 °F (1399 °C – 1454 °C).


  • The two grades of stainless-steel most referenced in relation to outdoor environments are 304 and 316L, also referred to as marine-grade stainless steel.
  • This makes grade 316 stainless significantly fascinating for functions where exposure to salt or different highly effective corrosives is a matter.
  • But where grade 316 stainless proves superior is its increased corrosion resistance—particularly towards chlorides and chlorinated solutions.
  • The increased nickel content and the inclusion of molybdenum makes grade 316 stainless-steel a bit costlier than grade 304 per ounce of material.

Stock Thickness: 0.1-200.0mm
Production thickness: 0.5.0-200mm
Width: 600-3900mm
Length: 1000-12000mm
200 series: 201,202
300 series: 301,304,304L,304H,309,309S,310S,316L,316Ti,321,321H,330
400 series: 409,409l,410,420J1,420J2,430,436,439,440A/B/C
Duplex: 329,2205,2507,904L,2304
Surface: No.1,1D,2D,2B,NO.4/4K/hairline,satin,6k,BA,mirror/8K

Even though 316L metal was created so as to stop rust and pits from salt water and sweat, Rolex was finding excess wear within the case again threads and watch case. Salt and other minerals are the catalysts wanted for corrosion and deterioration of the threads holding the case again.

The basic mechanical properties of the two metals are mostly comparable. Grade 316 has particularly higher resistance to salt and chloride pitting. Pitting corrosion can occur when stainless-steel alloys, similar to grade 304 chrome steel, come into contact with salt-wealthy sea breezes and seawater. Chloride resistant metals, like grade 16 chrome steel, are essential to make use of for naval functions or something involved with chloride. Nowadays, most chrome steel wristwatches are made of 316L chrome steel, and for a time, so was Rolex.

This makes stainless 316 extra fascinating in applications the place salt publicity is a matter. If you’ve an software with highly effective corrosives or chlorides, the extra cost of stainless 316 is extremely recommended.

It’s capacity to withstand acids and chlorides, including salt, makes grade 316 ideal for chemical processing and marine functions. If you’ve an application with very powerful corrosives or depends on chlorides, then paying a premium for grade 316 stainless steel is definitely value it. In such applications, 316 stainless will last many times longer than grade 304 stainless-steel would—which can mean many additional years of helpful life. The most simple difference between grade 304 and grade 316 stainless steels is that 316 tends to have more nickel and a little bit of molybdenum within the combine.

We have thousands tons stock of stainless steel sheet 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 impact resistance
Temperature resistance
High workability, including machining, stamping, fabricating and welding
Smooth surface finish that can be easily clean