Cold Drawn Seamless Steel Pipe ST37 ST52 Precision Carbon Steel Tube OD 6-630mm
Price:
US $680-1,130 / Ton
MOQ:
1 Ton
Delivery Time:
Negotiable
Product Description
Cold Drawn Seamless Steel Pipe ST37 ST52
Precision carbon steel tubes manufactured to DIN2391 and EN10305 standards, designed for high-performance applications in heat exchangers and hydraulic systems.
Product Specifications
Standards: ASTM, DIN, EN, GOST, SAE, JIS
Material Grade: Carbon Steel, Alloy Steel
Outside Diameter: 19.05 mm
Wall Thickness: 2.11 mm
Length: Maximum 25 meters
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 conditions
- No cracking during flattening and flaring tests
- No distortion after cold bending processes
- High precision and superior surface cleanness
- Excellent brightness for both cold drawn and hot finished products
- Superior performance for high pressure and temperature applications
- Available with black finish or hot dip galvanized coating
- Excellent corrosion resistance properties
Delivery Conditions
| Designation | Symbol | Description |
|---|---|---|
| Cold finished (hard) | BK | Tubes with high resistance to deformation, no heat treatment after final cold forming |
| Cold finished (soft) | BKW | Limited deformation with final heat treatment, suitable for cold forming |
| Cold finished and stress-relieved | BKS | Heat treatment after last cold forming, suitable for forming and machining |
| Annealed | GBK | Annealing in controlled atmosphere after last cold forming process |
| Normalized | NBK | Annealing above upper transformation point in controlled atmosphere |
Material Standards & Grades
| Standard | Steel Grade |
|---|---|
| Chinese Standard GB5310 | 20G, 15MoG, 12CrMoG, 12Cr2MoG, 15CrMoG, 12Cr1MoVG |
| American Standard ASTM | A106 Gr.A,B,C; A53 Gr.A,B; A179; A210 A-1,C; A333 Gr.1,3,6 |
| German Standard DIN17175 | ST35.8, ST45.8, ST37.0, ST44.0, ST52.0 |
| Japanese Standard JIS | G3454 STPG370, STPG410; G3461 STB340, STB410, STB440 |
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 applications in petrochemical industry
- Transport and construction structural purposes
- Fluid transportation in engineering projects and large equipment
- Low and medium pressure boiler systems
- Hydraulic pressure and pneumatic services
- Automotive and machinery components
- Oil cylinder tubes and shock reducer systems
Competitive Advantage
Asia's leading steel pipe manufacturer with annual production exceeding 250,000 tons. Over 60% of production shipped to more than 35 countries worldwide. We deliver quality pipes and tubes with competitive pricing and superior quality for global customers.
Product Images
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person
Gao Ben