S355JR S355J0 S355J2 Square Steel Pipe and Square Tube with Black Surface in 30*30-300*300 Sizes
Price:
US $650-1,250 / Ton
MOQ:
50 Tons
Delivery Time:
Negotiable
Product Description
Carbon S355 Square Steel Pipes and Tubes
High-quality welded square steel pipes manufactured to EN 10025 standards, available in S355JR, S355J0, and S355J2 grades for structural applications.
Product Specifications
| Product Type | Specification (mm) | Thickness | Length |
|---|---|---|---|
| Round Pipe | OD310mm - 1000mm | 4mm - 30mm | Any length |
| Square Pipe | 10mm×10mm - 1000mm×1000mm | 1.2mm - 30.0mm | - |
| Rectangle Pipe | 20mm×40mm - 400mm×700mm | 1.2mm - 30.0mm | - |
| L/T/Z Window Section | 28mm/38mm | 0.5mm - 1.5mm | - |
Product Details
- Material: Q195, Q215, Q235, Q345, etc.
- Surface: Black or bright, painted or oiled
- Packing: Export standard packing (bundles, seaworthy package, shipped in container)
- Delivery Port: Shanghai, China
- Lead Time: Within 30 days after receiving original L/C or deposit
- MOQ: 10 Tons per size
- Usage: Structural applications, automotive, ornamental, medical equipment, sports equipment, and home furniture
- Production Capacity: 10,000MT per month
- Main Markets: Europe, America, Africa, Southeast Asia
EN 10025 S355 Steel Grades
S355 structural steel offers superior mechanical properties compared to S235 and S275 grades, with four main quality classifications:
- S355JR (1.0045): Minimum 27J impact energy at 20°C
- S355J0 (1.0553): Minimum 27J impact energy at 0°C
- S355J2 (1.0577): Minimum 27J impact energy at -20°C
- S355K2 (1.0596): Minimum 40J impact energy at -20°C
Chemical Composition
| Steel Grade | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cu (%) | N (%) | Deoxidation |
|---|---|---|---|---|---|---|---|---|
| S355JR | ≤0.24 | ≤0.55 | ≤1.60 | ≤0.035 | ≤0.035 | ≤0.55 | ≤0.012 | Rimmed steel not allowed |
| S355J0 | ≤0.20 | ≤0.55 | ≤1.60 | ≤0.030 | ≤0.030 | ≤0.55 | ≤0.012 | - |
| S355J2 | ≤0.20 | ≤0.55 | ≤1.60 | ≤0.025 | ≤0.025 | ≤0.55 | - | Fully killed |
| S355K2 | ≤0.20 | ≤0.55 | ≤1.60 | ≤0.025 | ≤0.025 | ≤0.55 | - | Fully killed |
Mechanical Properties
Yield Strength (≥ N/mm²)
| Thickness (mm) | d≤16 | 16< d ≤40 | 40< d ≤63 | 63< d ≤80 | 80< d ≤100 | 100< d ≤150 | 150< d ≤200 | 200< d ≤250 |
|---|---|---|---|---|---|---|---|---|
| S355 Grades | 355 | 345 | 335 | 325 | 315 | 295 | 285 | 275 |
Tensile Strength (≥ N/mm²)
| Thickness (mm) | d<3 | 3 ≤ d ≤ 100 | 100 < d ≤ 250 |
|---|---|---|---|
| S355JR | 510-680 | 470-630 | 450-600 |
Elongation (≥%)
| Thickness (mm) | 3≤d≤40 | 40< d ≤63 | 63< d ≤100 | 100< d ≤150 | 150< d ≤250 |
|---|---|---|---|---|---|
| S355JR | 22 | 21 | 20 | 18 | 17 |
| S355K2 | 20 | 19 | 18 | 18 | 17 |
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