All Products
-
Raian IonescuMaterial quality very good. we have cooperate more than 10 Years. They trade lots kinds of steel material. All material quality good. They duty for all material quality. We are planing continue cooperate with them in the future
S275JR Black Surface Square Steel Pipe Welded Hollow 30*30-300*300
Product Details
| Model NO. | S275JR | Surface Treatment | Black |
|---|---|---|---|
| Section Shape | Square | Specification | 30*30-300*300 |
| Production Capacity | 500000kgs | Round Pipe OD | 310mm - 1000mm |
| Round Pipe Thickness | 4mm - 30mm | Square Pipe Size | 10mm*10mm - 1000mm*1000mm |
| Square Pipe Thickness | 1.2mm - 30.0mm | Rectangle Pipe Size | 20mm*40mm - 400mm*700mm |
| Rectangle Pipe Thickness | 1.2mm - 30.0mm | L/T/Z Thickness | 0.5mm - 1.5mm |
| Yield Strength | 355 N/mm2 (≤16mm) | Tensile Strength | 510-680 N/mm2 (d<3mm) |
| Elongation | 22% (3≤d≤40mm) | ||
| Highlight | S275JR Square Steel Pipe,Black Surface Welded Steel Pipe,30*30-300*300 Hollow Steel Pipe |
||
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
Recommended Products