Yield strength sus inox 201, 304 and 630

Yield strength sus inox 201, 304 and 630


Type 201 is an austenitic chromium nickel manganese stainless steel that was developed originally to conserve nickel. It provides properties similar to Type 301 and can be used in most aplication for Type 301. This alloy is non magnetic in annealed condition, but becomes magnetic when cold worked. The rate of work hardening is similar to Type 301, although Type 201 develops somewhat higher yield strength while retaining equal ductility when cold worked. Toughness at low temperatures is excellent.

Read more about the 201 SUS stainless steel:






Yield strength sus inox 201, 304 and 630
Yield strength sus inox 201, 304 and 630

This table shows the Yield strenghth of 201 stainless steel with strength of SUS 201 is 360 MPA or 52 Ksi.

And how about the SUS 304 and SUS 630, any ideas about it?


Reference link: http://www.aksteel.com/pdf/markets_products/stainless/austenitic/201_data_sheet.pdf

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2205 Atlas Stainless Steel Grade datasheet and Specification

2205 Atlas Stainless Steel Grade datasheet and Specification

2205 is the most widely used duplex (ferritic/austenitic) stainless steel grade. It finds applications due to both excellent corrosion resistance and high strength. The original S31803 composition has over the years been defined by many steel suppliers, and the resulting restricted composition range was endorsed as UNS S32205 in 1996. S32205 gives better guaranteed corrosion resistance, but much of the S31803 currently produced also complies with S32205. It is recommended that grade 2205 always be clarified as S31803 or S32205, but note that ASTM A240 defines 2205 as S32205.  
 

   
2205 is not generally suitable for use at temperatures above 300°C as it suffers from precipitation of brittle micro-constituents, nor below -50°C because of its ductile-to-brittle-transition.  
   
Darlene Kober has joined Hexacomb, Buffalo Grove, Ill., USA, a Boise company, as director of global marketing and strategy. Kober has more than 20 years of experience with multinational manufacturing corporations serving
Darlene Kober has joined Hexacomb, Buffalo Grove, Ill., USA, a Boise company, as director of global marketing and strategy. Kober has more than 20 years of experience with multinational manufacturing corporations serving
     

Corrosion Resistance   

Excellent general corrosion resistance; superior to Grade 316 in most environments. Excellent resistance to localised corrosion including intergranular, pitting and crevice corrosion; the CPT of 2205 is generally at least 35°C. The grade is also resistant to chloride stress corrosion cracking (SCC) at temperatures of up to about 150°C. Grade 2205 will often perform well in environments which cause premature failure of austenitic grades. It has better resistance to sea water than grade 316.
 
Consult Atlas Technical Assistance for specific environmental recommendations.
 

Heat Resistance   

 
Although 2205 has good high temperature oxidation resistance this grade, like other duplex stainless steels, suffers from embrittlement if held for even short times at temperatures above 300°C. If embrittled this can only be rectified by a full solution annealing treatment. Duplex stainless steels are almost never used above 300°C.

Heat Treatment  

 Solution treatment (annealing) Heat to 1020-1100°C and cool rapidly. This grade  cannot  be  hardened  by  thermal treatment, but does work harden.
 

Welding  

Weldable by all standard methods, but should not generally be welded without filler metal as this may result in excessive ferrite. AS 1554.6 pre-qualifies welding of 2205 with 2209 rods or electrodes to ensure that deposited metal has the correctly balanced duplex structure.

Nitrogen added to the shielding gas will also assist in ensuring adequate austenite in the structure. Heat input must be kept low and no pre- or post-heat should be used. The lower co-efficient of thermal expansion of all duplex stainless  steels  compared  with  austenitic grades reduces distortion and associated stresses.
 

Machining  

 
The high strength that makes 2205 useful in many applications also reduces its machinability. Cutting speeds are approximately 20% slower than for grade 304. There is as yet no "Ugima" Improved Machinability version of 2205.

 

Fabrication  

 
The high strength of 2205 also makes bending and forming more difficult; these operations will require larger capacity equipment than would be required for austenitic stainless steels. The ductility of 2205 is less than that of an austenitic grade (but is not low when compared to most other structural materials), so severe forming operations, such as cold heading, are not generally possible. If severe cold working is required it is recommended that intermediate annealing be carried out.





Stainless Steel Pulp & Paper digesters
Stainless Steel Pulp & Paper digesters
 

Typical Applications 



  • Chemical processing, transport and storage. Oil and gas exploration and processing equipment. Marine and other high chloride environments. 
  • Pulp & Paper digesters, liquor tanks and paper machines.


Oil and gas exploration and processing equipment • Marine and other high chloride environments • Pulp and paper digesters, liquor tanks and paper machines
Oil and gas exploration and processing equipment • Marine and other high chloride environments • Pulp and paper digesters, liquor tanks and paper machines

Specified Properties


These properties are specified for flat rolled product (plate, sheet and coil) in ASTM A240/A240M. Similar but not necessarily identical properties are specified for other products such as pipe and bar in their respective specifications.

Composition Specification (%)

COLLECTION OF COMMON STAINLESS STEEL GRADE


Source:

http://www.atlassteels.co.nz/

Review Stainless Steel MotoMug II

 Review Stainless Steel MotoMug II

12X Stainless Steel Travel MUG
My husband and I drink a lot of hot beverages. I enjoy my cups of coffee, while he has hot tea every evening. He asked me to find him a large, insulated mug that would keep his tea hot for extended periods, and I purchased the MotoMug II.
Read more:

Stainless steel coffee mugs - Stainless Steel Blog

Description


The mug is made of stainless steel, inside and out (double wall stainless steel). It measures 6" high, has a diameter of 5" at the top, and the bottom tapers down to a 3 1/2" base. It holds a generous 16 ounces! The hang tag states that this MotoMug will provide hot or cold insulation for up to 2 hours.

The top is made of black plastic, and it snaps on and off for easy filling and cleaning. When it's in place, the entire top pushes backward, following the direction of the arrow, to reveal the sip lid, to allow beverages to be easily consumed.

Thoughts


When my store had these for half price, (only $7), I purchased two of them. One for my husband and one for myself. The stainless steel exterior is a brushed design, which is very attractive. The handle is large and the molded three finger grooves make holding this mug extremely comfortable.
starbucks stainless miller tumbler
starbucks stainless miller tumbler
I fill my MotoMug up with hot coffee before I walk the kids to their bus stop every morning. I live in Alaska, and it's been quite chilly recently. Even at temperatures well below freezing, this mug keeps my coffee hot the entire time I am outside, which is about a total of 20 minutes. Last week it was -5 degrees, and my coffee still remained hot.

The tapered base fits easily into our car holders (Buick and Honda). The tapered section is 1 3/4" long, and should fit nicely in most vehicles. The mug is a sturdy double wall 18/8 stainless steel, and it does not hold coffee odors after it is washed in my dishwasher. (I also love that it's dishwasher safe!). Our plastic mugs do tend to retain odors. There is a black rubber like material on the bottom of the mug that makes this mug skid resistant.
The MotoMug II features double wall marine-grade stainless steel and a slide lock lid the prevents your beverage from splashing. Fits most cup holders.
The MotoMug II features double wall marine-grade stainless steel and a slide lock lid the prevents your beverage from splashing. Fits most cup holders.
There's nothing to dislike about this mug! It's sturdy, easy to clean, and keeps beverages hot for long periods of time.

I have since seen this in my LL Bean catalog, called the L.L.Bean Motomug II. It is identical, except mine does not have any writing on the product. The LL Bean variety reads "L.L.Bean Since 1912".

This mug is made by Pacific Cornetta, Inc.