DIN2391 High Precision Seamless Steel Pipe Cold Drawn ST35 ST45 ST52 Precision Carbon Steel Tube
Price:
US $680-1,130 / Ton
MOQ:
1 Ton
Delivery Time:
Negotiable
Product Description
DIN2391 High Precision Seamless Steel Pipe
Cold drawn seamless precision carbon steel tubes manufactured to DIN2391 and EN10305 standards, available in grades ST37, ST45, and ST52. These high-precision pipes are ideal for hydraulic, pneumatic, and heat exchanger applications.
Product Specifications
Standards: ASTM, DIN, EN, GOST, SAE, JIS
Material Grades: Carbon Steel, Alloy Steel, or custom requirements
Outside Diameter: 19.05 mm
Wall Thickness: 2.11 mm
Length: 6m - 25m (custom lengths available)
Type: Cold Drawn or ERW
Ends: Plain ends or bevel ends
Key Features
- No oxidation layer on outer and inner walls
- No leakage under high pressure
- No cracking during flattening and flaring tests
- No distortion after cold bending
- High precision and excellent surface cleanness
- Superior performance for high pressure and temperature applications
- Excellent corrosion resistance
- Available with black finish or hot dip galvanized coating
Delivery Conditions
| Designation | Symbol | Description |
|---|---|---|
| Cold finished (hard) | BK | Tubes do not undergo heat treatment after final cold forming |
| Cold finished (soft) | BKW | Limited deformation with final heat treatment |
| Cold finished and stress-relieved | BKS | Heat treatment applied after last cold forming process |
| Annealed | GBK | Annealing in controlled atmosphere after cold forming |
| Normalized | NBK | Annealing above upper transformation point |
Chemical Composition
| Grade | C max | Si max | Mn | P max | S max |
|---|---|---|---|---|---|
| St 35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| St 45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| St 52 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
Applications
- Evaporators, heat exchangers, condensers, and heat transfer equipment
- Mechanical treatment, petrochemical industry, transport, and construction
- Structural purposes in construction and fulcrum bearings
- Fluid transportation in projects and large equipment
- Low and medium pressure boiler applications
- Hydraulic and pneumatic services
- Automotive and machinery components
Competitive Advantage
Asia's leading steel pipe manufacturer with production capacity exceeding 250,000 tons per year. Over 60% of production is exported to more than 35 countries worldwide. We deliver quality pipes and tubes at competitive prices with excellent customer service.
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Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person
Gao Ben