S275JR Black Surface Square Steel Pipe Welded Hollow 30*30-300*300
Price:
US $650-1,250 / Ton
MOQ:
50 Tons
Delivery Time:
Negotiable
Product Description
Square Pipe Hollow Black Iron S275JR Welded Steel Pipe
High-quality welded square steel pipes manufactured to S275JR standards, available in various sizes and specifications for structural applications.
Product Specifications
Available Sizes and Dimensions
Round Pipe: OD 310mm - 1000mm | Thickness: 4mm - 30mm | Any length
Square Pipe: 10mm×10mm - 1000mm×1000mm | Thickness: 1.2mm - 30.0mm
Rectangle Pipe: 20mm×40mm - 400mm×700mm | Thickness: 1.2mm - 30.0mm
L/T/Z Window Section: 28mm/38mm | Thickness: 0.5mm - 1.5mm
Material and Surface Options
Materials: Q195, Q215, Q235, Q345 and equivalent grades
Surface Treatment: Black or bright finish, painted or oiled
Packaging and Delivery
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
Applications
Widely used in structural applications, motorbike and automobile manufacturing, ornamental purposes, medical equipment, sport equipment, and home furniture.
Production Capacity and Markets
Production Capacity: 10,000 MT per month
Main Markets: Europe, America, Africa, Southeast Asia
We welcome all customers to contact us for negotiations and further communication.
EN 10025 S355 Steel Specifications
S355 steel is a European standard structural steel grade according to EN 10025-2:2004, offering superior properties compared to S235 and S275 steels in yield strength and tensile strength.
S355 Steel Grade Designations
- S355JR (1.0045): Minimum impact energy of 27J at room temperature (20°C)
- S355J0 (1.0553): Minimum impact energy of 27J at 0°C
- S355J2 (1.0577): Minimum impact energy of 27J at -20°C
- S355K2 (1.0596): Minimum impact energy of 40J at -20°C
Chemical Composition
| Steel Grade | C | Si | Mn | P | S | Cu | N | Deoxidation Method |
|---|---|---|---|---|---|---|---|---|
| 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)
| Steel Grade | d≤16mm | 16<d≤40mm | 40<d≤63mm | 63<d≤80mm | 80<d≤100mm | 100<d≤150mm | 150<d≤200mm | 200<d≤250mm |
|---|---|---|---|---|---|---|---|---|
| S355JR | 355 | 345 | 335 | 325 | 315 | 295 | 285 | 275 |
Mechanical Properties - Tensile Strength (N/mm²)
| Steel Grade | d<3mm | 3≤d≤100mm | 100<d≤250mm |
|---|---|---|---|
| S355JR | 510-680 | 470-630 | 450-600 |
Mechanical Properties - Elongation (%)
| Steel Grade | 3≤d≤40mm | 40<d≤63mm | 63<d≤100mm | 100<d≤150mm | 150<d≤250mm |
|---|---|---|---|---|---|
| S355JR | 22 | 21 | 20 | 18 | 17 |
| S355K2 | 20 | 19 | 18 | 18 | 17 |
Product Images
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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