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 |
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|
E
L E M E N T S % |
Characteristics |
TP |
IS-6911 |
C
Max |
Mn.
Max. |
Cr. |
Ni |
Other Elements |
304 |
04Cr18Ni10 |
0.08 |
2.00 |
18.00/20.00 |
8.00/11.00 |
- |
Basic steel for austentic
stainless steel tubes, featuring excellent corrosion resistance
and weldability |
304L |
02Cr18Ni11 |
0.035 |
2.00 |
18.00/20.00 |
8.00/13.00 |
- |
A very low carbon steel,
offering good intergranular corrosion resistance even in
"as welded" condition. |
310 |
10Cr25Ni18 |
0.15 |
2.00 |
24.00/26.00 |
19.00/22.00 |
- |
Excellent high temperature
properties, with ductility and weldability. |
316 |
04Cr17Ni12Mo2 |
0.08 |
2.00 |
16.00/18.00 |
10.00/14.00 |
Mo2.00/3.00 |
Molydenum gives this
steel, higher resistance to non-oxidising acides, as well
as good resistance to crevice corrosion. it also offers
excellent high temperature creep characteristics. |
316L |
02Cr17Ni12o2 |
0.035 |
2.00 |
16.00/18.00 |
10.00/15.00 |
Mo2.00/3.00 |
Lower corbon content
provides better intergranular corrosion resistance than
316. |
321 |
04Cr18Ni10Ti20 |
0.08 |
2.00 |
17.00/20.00 |
9.00/13.00 |
Ti=5xCmin Max. 0.70 |
Titanium addition makes
this steel a varbide stabilized type, which offers improved
intergranular corrosion resistance. Used in Heat Exchanger
and superheater tubes for high temperature high pressure
boliers. |
409 |
- |
0.08 |
1.00 |
10.50/11.75 |
0.50 max |
Ti=6xCmin Max. 0.75
|
A ferritic stainless
steel offering resistance to chloride stress corrosion.
Primarly used in automotive industry for mufflers, tail
pipes, etc. |
410 |
12Cr13 |
0.15 |
1.00 |
11.50/13.50 |
0.50 max |
- |
A ferritic stainless
steel offering good corrosion resistance and machinability. |
430 |
05Cr17 |
0.12 |
1.00 |
16.00/18.00 |
0.50
max |
- |
Good
combination of corrosion resistance, useful mechanical properties,
and good formability. |
