Tuburi de oțel de precizie sudate
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anterioară: ASTM A513 Precision Welded Steel Pipes Tubes Cutting Length
următor: Tuburi DOM de tip 513 ASTM A1026 5
instrucție
Standard: BS6323-7 Seamless and welded steel tubes for automobile mechanical and general engineering purposes
Part 7: Specific requirements for submerged arc welded steel tubes
Calitatea oțelului și compozițiile chimice:
Aplicații: pentru industria auto / pentru utilizarea mașinilor / în scopuri mecanice și de inginerie generală
Size range: O.D.: 508-2020mm W.T.:6.3-50mm L:max12000mm
Chemical Compositions and Mechanical properties | ||||||||
Desemnare |
Compoziții chimice (analiza cu oală) |
Proprietăți mecanice |
||||||
C |
Si |
Mn |
P |
S |
Re |
Rm |
A |
|
Max. |
Max. |
Max. |
Max. |
Max. |
min. |
min. |
min. |
|
|
% |
% |
% |
% |
% |
N / mm2 |
N / mm2 |
% |
Fărăstrăul 4 |
0.25 |
0.35 |
1.20 |
0.050 |
0.050 |
235 |
410 |
22 |
SAW 5a |
0.23 |
0.50 |
1.50 |
0.050 |
0.050 |
340 |
490 |
20 |
NOTE Welding of tubes of these grades does not require special techniques but care should be taken and welding should be carried out in accordance with the guidance given in the appropriate British Standard for welding,e.g. BS 5135.aGrain refining elements may be added to this grade at the option of the manufacturer. |
Dimensions of submerged arc welded steel tubes |
||||||
Diametru exterior |
Grosimi |
|||||
Grosime minimă |
Thicknesses in common usage |
Grosimea maxima |
||||
mm |
mm |
mm |
mm |
mm |
mm |
mm |
508 |
6.3 |
8.0 |
10 |
12.5 |
|
20 |
559 |
6.3 |
8.0 |
10 |
12.5 |
|
20 |
610 |
6.3 |
8.0 |
10 |
12.5 |
16 |
32 |
660 |
6.3 |
8.0 |
10 |
12.5 |
16 |
32 |
711 |
7.1 |
8.0 |
10 |
12.5 |
16 |
32 |
762 |
7.1 |
10 |
12.5 |
16 |
|
32 |
813 |
7.1 |
10 |
12.5 |
16 |
20 |
32 |
864 |
7.1 |
10 |
12.5 |
16 |
20 |
32 |
914 |
8.0 |
10 |
12.5 |
16 |
20 |
45 |
1016 |
8.0 |
12.5 |
16 |
20 |
25 |
50 |
1220 |
10 |
12.5 |
16 |
20 |
25 |
50 |
1420 |
12.5 |
12.5 |
16 |
20 |
25 |
50 |
1620 |
12.5 |
16 |
20 |
25 |
|
50 |
1820 |
12.5 |
16 |
20 |
25 |
|
50 |
2020 |
12.5 |
16 |
20 |
25 |
|
50 |
NOTE Other outside diameters and thicknesses are available by agreement between purchaser and manufacturer.For sectional properties including mass per unit length,see appendix B of BS 6323-1:1982 |
Note: Special steel grade is also available, according to customer request.
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