Steel Pipe Standards: EN10210, EN10219, AS1163, MS RHS
Size Range: 20×30mm to 600×800mm | Thickness: 1.0-30mm
Product Overview
Square Pipe Hollow Black Iron S275JR Welded Square Steel Pipe and S275JR Welded Steel Pipe manufactured to international standards for structural applications.
Product Specifications
| Product Type |
Size Range |
Thickness |
Length |
| Round Pipe |
OD 310mm - 1000mm |
4mm - 30mm |
Custom Lengths |
| Square Pipe |
10mm×10mm - 1000mm×1000mm |
1.2mm - 30.0mm |
Standard |
| Rectangle Pipe |
20mm×40mm - 400mm×700mm |
1.2mm - 30.0mm |
Standard |
| L/T/Z Window Section |
28mm/38mm |
0.5mm - 1.5mm |
Standard |
Additional Product Details
- Materials: Q195, Q215, Q235, Q345 and equivalent grades
- Surface Treatment: Black or bright finish, painted or oiled
- Packing: Export standard packing (bundles, seaworthy package, container shipment)
- Delivery Port: Shanghai, China
- Lead Time: Within 30 days after receiving original L/C or deposit
- Minimum Order Quantity: 10 Tons per size
- Production Capacity: 10,000MT per month
Applications
Widely used in structural applications, motorbike and automobile manufacturing, ornamental uses, medical equipment, sport equipment, and home furniture.
Main Markets
Europe, America, Africa, Southeast Asia
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 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
| Standard |
Steel Grade |
C |
Si |
Mn |
P |
S |
Cu |
N |
Deoxidation Method |
| EN 10025-2 |
S355JR |
0.24 |
0.55 |
1.60 |
0.035 |
0.035 |
0.55 |
0.012 |
Rimmed steel not allowed |
| EN 10025-2 |
S355J0 |
0.20 |
0.55 |
1.60 |
0.030 |
0.030 |
0.55 |
0.012 |
- |
| EN 10025-2 |
S355J2 |
0.20 |
0.55 |
1.60 |
0.025 |
0.025 |
0.55 |
- |
Fully killed |
| EN 10025-2 |
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 |
Tensile Strength (≥ N/mm²)
| Steel Grade |
d<3mm |
3 ≤ d ≤ 100mm |
100 < d ≤ 250mm |
| S355JR |
510-680 |
470-630 |
450-600 |
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