SS 304/304L sheet Chemical Composition and Mechanical properties:
| Grade |
C % |
Mn. % |
P % |
S % |
Si % |
Cr % |
Ni % |
| 304 |
0.08 max. |
2.00 max. |
0.045 max. |
0.03 max. |
1.00 max. |
18.0-20.0 |
8.0-10.0 |
| 304L |
0.03 max. |
2.00 max. |
0.045 max. |
0.03 max. |
1.00 max. |
18-20 |
8.0-12.0 |
| Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
| Rockwell B (HR B) max |
Brinell (HB) max |
| 304 |
515 |
205 |
40 |
92 |
201 |
| 304L |
485 |
170 |
40 |
92 |
201 |
Specification:
* Standard: JIS, ASTM, AISI, GB, DIN, EN, we usually use ASTM and GB Standard
*Thickness: 0.14mm-3.0mm
*Width: as require
* Surface: 2B finished, BA finished
*Hardness: soft, 1/4H, 1/2H,1/4H, FH
* Thickness Tolerance: +/-0.01mm
*Width Tolerance: +/-10mm(mill edge)
Other Grade from Allin Metal :
*200Series : 201,202.204Cu.
*300Series : 301,302,304,304Cu,303,303Se,304L,305,307,308,308L,309,309S,310,310S .etc.
*400Series :410,420,430,420J2,439,409,430S,444,431,436,441,446,440A,440B,440C.etc.
*Others :2205,904L,S31803,330,660,630,17-4PH,631,17-7PH,2507,F51,S31254 etc.
Different Surface :
| Item |
Surface finishing |
Surface finishing methods |
Main application |
| NO.1 |
HR |
Heat treatment after hot rolling,pickling,or with treatment |
For without the purpose of the surface gloss |
| NO.2D |
Without the SPM |
Method of heat treatment after cold rolling,pickling surface roller with wool or eventually a light rolling a matte surface processing |
General materials,building materials |
| NO.2B |
After SPM |
Giving NO.2 processing materials appropriate method of cold light sheen |
General materials,building materials(most of the goods are processed |
| BA |
Bright annealed |
Bright heat treatment after cold rolling,in order to be more shingy,cold light effect |
Automaotive parts,home appliances,vehicles,medical equipment,food equipment |
| NO.3 |
Shiny,coarse grain processing |
The NO.2D or NO.2B processing timber NO.100-120 polishing abrasive grindding belt |
Building materials,ketchen supplies |
| NO.4 |
After CPL |
The NO.2D or NO.2B processing timber NO.150-180 polishing abrasive grindding belt |
Building materials,ketchen supplies,vehicles,medicals |
| 240# |
Grinding of fine lines |
The NO.2D or NO.2B processing timber 240 polishing abrasive grindding belt |
Kitchen appliances |
| 400# |
Close to BA luster |
The MO.2B timber 400 polishing wheel polishing method |
Building materials,kitchen utensils |
|
HL(Hairlines)
|
Polishing line having a long continuous processing |
In a suitable size(usually mostly No.150-240 grit)abrasive tape for as long as the hair,having a continuous processing methond of polishing line. |
The most common building materials processing |
| NO.6 |
NO.4 processing less than the reflection ,the extinction |
NO.4 processing material used for polishing Tampico brushing |
Building materials ,decorative |
| NO.7 |
Highly accurate reflectance mirror processing |
NO.600 of the totary buff with a polishing |
Building materials ,decorative |
| NO.8 |
highest relfectivity mirror finish |
Fine particles of abrasive material in order polishing,mirror polishing with a polishing |
Building materials ,decorative,mirrors |
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