Place of Origin: | Jiangsu |
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Location: | Changzhou, Jiangsu, China (Mainland) |
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Business Type: | Manufacturer |
Main Products: | Carbon Steel Seamless Pipe, Seamless Boiler Tubes, Seamless Steel Pipe |
BS 6323-4 PRECISION STEEL TUBING FOR HYDRAULIC
Specifications:
Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling
Ends: BE/PE, ends caps
Marking: as per requirement
Size:(mm) OD: 6~350mm WT: 0.8~35mm
As per standard or as per customer’s requirement
Length: ≤16m. Fixed Length (6m,9m,12m, 16m or as per requirement) or random length
Package: Hexagonal Bundles with steel strips and plastic wrapping outside/Wooden box/Wooden crate/Steel frame/As per customer’s requirement
CHEMICAL COMPOSITION (%):
Steel grade |
Chemical composition (%) |
|||||
Steel grade |
Material number |
C≤ |
Si≤ |
Mn≤ |
P≤ |
S≤ |
St 30 Si |
1.0211 |
0.1 |
0.3 |
0.55 |
0.025 |
0.025 |
St 30 Al |
1.0212 |
0.1 |
0.05 |
0.55 |
0.025 |
0.025 |
St 35 |
1.0308 |
0.17 |
0.35 |
0.40 |
0.025 |
0.025 |
St 45 |
1.0408 |
0.21 |
0.35 |
0.40 |
0.025 |
0.025 |
St 52 |
1.0508 |
0.22 |
0.55 |
1.60 |
0.025 |
0.025 |
The following alloying elements may be added: Nb: <=0,03%; Ti: <=0,03%; V: <=0,05%; Nb + Ti + V: <=0,05%. |
MECHNICAL PROPERTIES (Minimum Values) :
Steel Grade |
BK |
BKW |
GBK |
NBK |
|||||
Tensile StrengthN/mm2 min |
Elongation at rupture N/mm2 min |
Tensile Strength N/mm2 min |
Elongation at rupture N/mm2 min |
Tensile Strength N/mm2 min |
Elongation at rupture N/mm2 min |
Tensile Strength N/mm2 min |
Elongation at rupture N/mm2 min |
||
St30 Si |
400 |
8 |
330 |
12 |
280 |
30 |
290-420 |
30 |
|
St30 Al |
400 |
8 |
330 |
12 |
280 |
30 |
290-420 |
30 |
|
St 35 |
440 |
6 |
370 |
10 |
315 |
25 |
340-470 |