OD 35mm 40mm Cold Drawing Seamless Steel Tube , Small Diame
- Min. Order:
- 1
- Min. Order:
- 1
- Delivery Time:
- 30 Days
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Contact Now| Place of Origin: | CHINA |
|---|
OD 35mm 40mm Cold Drawing Seamless Steel Tube , Small Diameter Bao Steel Pipe
Description:
- Standard:BS6323/4
- Size:OD:6-60mm,WT:0.5-6mm
- Material:CFS3,CFS4,CFS5,CFS8
- Delivery State:NBK/GBK/BKW/BKS/BK
- Raw material:Bao Steel,Huai Steel,XingCheng Steel with good quality.
- Length:5.8m,6m.
- Package:Bundles or wooden cases.
- Surface Anti-rust:Both outside and internal tube surface flushing with anti-rust oil.
- Surface quality:very smooth and bright without oxide scale,pock,strach,crack and other defects..
- Surface Cleaness:clean without iron scrap,dust.
- High working pressure,better extending rate and strength property.
- Raw material: Precision tubes are made from carbon steel from quality Bao Steel,XingCheng Steel,and HuaiSteel.
Tolerance Table Of Cold Drawing Seamless Steel Tube
|
NAME |
SCOPE(mm) |
GB (mm) |
BS (mm) |
Enterprise control(mm) |
Special high-precision(mm) |
|
Out Diameter |
4-30 |
±0.1 |
±0.1 |
±0.05 |
±0.03 |
|
31-40 |
±0.15 |
±0.15 |
±0.05 |
±0.03 |
|
|
41-50 |
±0.20 |
±0.15 |
±0.08 |
±0.03 |
|
|
51-60 |
±0.25 |
±0.20 |
±0.08 |
±0.03 |
|
|
Wall thickness |
0.5-7 |
±10%,Min±0.12 |
±10% |
±10%,Min±0.05 |
±10%,Min±0.03 |
Steel grades and chemical composition for Cold Drawing Seamless Steel Tube
|
Chemical composition(cast analysis)a |
|||||
|
Steel grade |
% by mass |
||||
|
C |
Si |
Mn |
P |
Sb |
|
|
max. |
max. |
max. |
max. |
max. |
|
|
CFS3 |
0.20 |
0.35 |
0.90 |
0.05 |
0.05 |
|
CFS4 |
0.25 |
0.35 |
1.20 |
0.05 |
0.05 |
|
CFS5 |
0.23 |
0.50 |
1.50 |
0.05 |
0.05 |
|
CFS8 |
0.40-0.55 |
0.35 |
0.5-0.9 |
0.05 |
0.05 |
Mechanical prorperties for Cold Drawing Seamless Steel Tube
|
Mechanical properties at room temperature |
||||||||||
|
Steel grade
|
Minimum values for the delivery condition |
|||||||||
|
BK |
BKW |
GBK |
NBK |
|||||||
|
Rm(Min) |
A |
Rm(Min) |
Re(Min) |
A |
Rm(Min) |
A |
Rm(Min) |
ReH(Min) |
A |
|
|
MPa |
% |
MPa |
Mpa |
% |
MPa |
% |
MPa |
MPa |
% |
|
|
CFS3
|
490 |
6 |
400 |
280 |
9 |
340 |
26 |
360 |
215 |
24 |
|
CFS4 |
520 |
5 |
450 |
315 |
8 |
400 |
24 |
410 |
235 |
22 |
|
CFS5
|
600 |
4 |
550 |
385 |
6 |
|
|
490 |
340 |
20 |
|
CFS8 |
720 |
4 |
670 |
470 |
6 |
510 |
|
540 |
340 |
18 |
Testing of precision tubes for carbon Precision steel tube
chemical analysis, tensile test, water pressure test, flattening test or drift expanding test,dimensional inspection and visual inspection.
Applications:
Precision tubes are used in hydraulic system,automobile,mechanical parts and in the occasion where the high precision,brightness,cleanness and mechanical properties of the tube are required.
Production Lines:
Production Equipments:
Packing and loading:
Laboratory testing:
Our Customer:
Certificate Approved:
