DIN 2391 ST35 High precision seamless steel pipe
DIN 2391 ST35 pipe is a common low-carbon steel containing chemical components such as carbon, silicon, manganese, phosphorus, and sulfur.
DIN 2391 ST35 precision pipe is a high-precision, high-brightness seamless steel pipe produced by cold drawing or cold rolling process. The inner and outer diameters can be accurate to within 0.2mm. Under the same bending and torsional strength, the weight is lighter. DIN 2391 ST35 cold-rolled precision pipe is used to manufacture mechanical structures, hydraulic equipment, automotive parts, steel sleeves, etc.
DIN 2391 ST35 seamless precision pipe has the characteristics of precise size, smooth surface, good processing performance, high temperature and high pressure resistance, etc. Its outer diameter ranges from 4mm to 260mm, and the wall thickness ranges from 0.5mm to 25mm. The length of the steel pipe is generally 5m to 8m, but it can also be customized according to customer requirements.
Chemical composition of DIN 2391 St35 Seamless Precision Steel Tubes
| Standard | Grade | C | Mn | Si | S maximum | P maximum |
| DIN2391 | St35 | ≤0.17 | ≥0.4 | ≤0.35 | 0.025 | 0.025 |
DIN 2391 ST35 Pipes Mechanical Behaviour
|
Cold drawn(Mandatory) |
Cold drawn(Soft) |
Cold Drawn and Stress Release |
Normalizing |
Anneal |
||||||||
|
BK1) |
BKW1) |
(BKS) |
(NBK)1) |
(GBK)1) |
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|
Grade |
Tensile |
Elongation |
Tensile |
Elongation |
Tensile |
Yield point |
Elongation |
Tensile |
Yield point |
Elongation |
Elongation |
Tensile |
|
N/mm2 |
% |
N/mm2 |
% |
N/mm2 |
N/mm2 |
% |
N/mm2 |
N/mm2 |
% |
% |
N/mm2 |
|
|
St35 |
480 |
6 |
420 |
10 |
420 |
315 |
35 |
340~470 |
235 |
25 |
14 |
315 |
Precision bright seamless steel pipe
Standard Quality Specification Of DIN 2391 St35 Carbon Steel Seamless Pipes
| Standard | DIN 2391 |
| Grade | ST35 |
| Size | OD (4-190mm) x WT (0.5-15mm) |
| Outer Dimensions | 4.0mm – 60.0mm |
| Wall Thickness | 0.5mm – 8 mm |
| Length | max 6000mm |
GNEE group is not only committed to providing high-quality steel products, but also actively establishing close cooperative relationships with many companies. These include Baowu Group, Anyang Iron and Steel Group, Wuhan Iron and Steel, Shandong Iron and Steel, Jiugang Group, Shougang Group, Valin Iron and Steel and many other companies. These companies have excellent technical strength and rich experience in their respective fields, providing us with extensive support and help. By working together with these partners, we are able to drive innovation and development in the steel industry.
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