Applications of Stainless Steel and grades specifications
 

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Guide to uses of Stainless Steel

Specification
1.4016
1.4301/7
1.4305
rod only
1.4541
*
1.4404
Blanking
 
Brake forming
    
Brazing
X
Deep drawing
  
Drilling
Machining
Polishing
X
Sawing
Spinning
  
Welding applications
X
Previous designations
430
304
303
321
316
Code
= excellent = good = fair X= unsuitable
* 1.4541 is not normally stocked and may be subject to supply restrictions

 

Data on common alloys

Grade
BS970/
1449 designation
Description Max.
service
temp.
1.4016
430
A ferritic grade containing 17% chrome. Has a fairly good resistance to corrosion. Used mainly for decorative household and vehicle trim. Available in sheet, strip and coil 800° C
1.4301
304
An 18% chrome and 8% nickel austenic grade which gives a higher corrosion resistance compared with normal chrome alloys. Reduced carbon increases resistance to inter-granular corrosion after welding Available in all forms. 800° C
1.4305
303
Free machining alloy. By the addition of sulphur or selenium the machinability is greatly improved. Available in rod only 800° C
1.4307
304 S11
304L
As 1.4301 but with carbon limited to .03% max which reduces corrosion after welding. Available in all forms 800° C
1.4531
321
Contains titanium, which is added in proportion to the carbon content. This prevent inter-granular corrosion after welding . Can be used in higher temperatures than most austenitic grades. 850° C
1.4404
316L
Contains molybdenum, which greatly improves its corrosion resistance. Used for applications where toxic solutions may attack the metal. Available in all forms 800° C

For more detailed information
contact the BSSA



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Stainless Steel and aluminum for all construction and catering applications