Guangdong LiYou Steel Structure Engineering Co., Ltd. +8619147784007 liyousteelstructure@outlook.com
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Structural steels are specially formulated carbon-manganese alloys used in construction and engineering projects where strength, durability, and weldability are critical. At Liyou Steel, we supply high-quality structural steels that meet international standards for buildings, bridges, and industrial facilities.
| Quantity: | |
|---|---|
Steel
Online technical support
Warehouse
Guangdong, China
Warehouse
3 years
total solution for projects
LYB-096
Warehouse
Industrial
CE Certification
Industrial Commercial
C.Z Shape Steel Channel
Sliding Door
Customized Color
Sandwich Panel Optional
Aluminum Alloy Sliding Window
SAP2000/AutoCAD /PKPM /3D3S/TEKLA
Hot Dip Galvanized
25-60 days
| Grade Category | Yield Strength | Common Standards |
|---|---|---|
| Mild Steel | 235-275 MPa | Q235, A36, S235 |
| Medium Strength | 355-390 MPa | Q355, A572, S355 |
| High Strength | 460-690 MPa | Q460, A913, S460 |
Carbon Steels (Q series, ASTM A36)
High-Strength Low-Alloy (HSLA) (ASTM A572)
Weathering Steels (Q355NH, ASTM A588)
Quenched & Tempered (ASTM A514)
✔ Tensile Strength: 370-900 MPa
✔ Elongation: 18-25% (ensures ductility)
✔ Impact Resistance: Tested at -20°C to -40°C
✔ Weldability: Controlled carbon equivalents (CEV < 0.45)
Comparison Table: Popular Structural Steels
| Standard | Equivalent Grades | Key Application |
|---|---|---|
| GB | Q235, Q355, Q460 | Chinese projects |
| ASTM | A36, A572, A992 | US/North America |
| EN | S235, S355, S460 | European markets |
| JIS | SS400, SM490 | Japanese standards |
Construction
Steel frames for high-rise buildings
Roof trusses and support beams
Prefabricated structures
Infrastructure
Bridge girders and decks
Transmission towers
Railway stations
Industrial
Factory support columns
Crane runways
Heavy equipment bases
✅ Full Certification (MTC, ISO, CE, SGS)
✅ Precision Cutting & Drilling (+/-1mm tolerance)
✅ Global Logistics (FOB/CIF options available)
✅ Technical Support (Grade selection assistance)
Recent Project Example:
Vietnam Highway Bridge
Steel Grade: Q355D (Impact tested at -20°C)
Quantity: 2,800 tons
Delivery: On-time with full documentation
| Grade Category | Yield Strength | Common Standards |
|---|---|---|
| Mild Steel | 235-275 MPa | Q235, A36, S235 |
| Medium Strength | 355-390 MPa | Q355, A572, S355 |
| High Strength | 460-690 MPa | Q460, A913, S460 |
Carbon Steels (Q series, ASTM A36)
High-Strength Low-Alloy (HSLA) (ASTM A572)
Weathering Steels (Q355NH, ASTM A588)
Quenched & Tempered (ASTM A514)
✔ Tensile Strength: 370-900 MPa
✔ Elongation: 18-25% (ensures ductility)
✔ Impact Resistance: Tested at -20°C to -40°C
✔ Weldability: Controlled carbon equivalents (CEV < 0.45)
Comparison Table: Popular Structural Steels
| Standard | Equivalent Grades | Key Application |
|---|---|---|
| GB | Q235, Q355, Q460 | Chinese projects |
| ASTM | A36, A572, A992 | US/North America |
| EN | S235, S355, S460 | European markets |
| JIS | SS400, SM490 | Japanese standards |
Construction
Steel frames for high-rise buildings
Roof trusses and support beams
Prefabricated structures
Infrastructure
Bridge girders and decks
Transmission towers
Railway stations
Industrial
Factory support columns
Crane runways
Heavy equipment bases
✅ Full Certification (MTC, ISO, CE, SGS)
✅ Precision Cutting & Drilling (+/-1mm tolerance)
✅ Global Logistics (FOB/CIF options available)
✅ Technical Support (Grade selection assistance)
Recent Project Example:
Vietnam Highway Bridge
Steel Grade: Q355D (Impact tested at -20°C)
Quantity: 2,800 tons
Delivery: On-time with full documentation
