| Product Name | Hot Dipped Galvanized/Galvalume Steel Coil |
| Standard | EN10346, JIS G3302, ASTM A653,AS 1397,GB/T 2518,ASTM A792 |
| Steel Grade | Dx51D, Dx52D, Dx53D, DX54D,DX55D,DX56D,DX57D, S220GD, S250GD, S280GD, S320GD,S350GD, |
| Type | Coil/Sheet/Plate/Strip |
| Thickness | 0. 12mm-6.0mm or 0.8mm/1 .0mm/1.2mm/1 .5mm/2.0mm |
| Width | 600mm-1800mm or 914mm/ 1000mm/ 1200mm/ 1219mm/ 1220mm/ 1524mm |
S250GD Chemical Composition: | Element | Composition (%) |
| C | ≤0.20 |
| Mn | ≤1.70 |
| P | ≤0.10 |
| S | ≤0.045 |
| Si | ≤0.60 |
| AI | ~55 |
| Zn | ~43.4 |
| Si(coating) | ~1.6 |
Mechanical Properties: | Property | Value |
| Yield Strength (MPa) | ≥250 |
| Tensile Strength (MPa) | 330 - 430 |
| Elongation (%) | ≥18 |
S300GD Chemical Composition: | Element | Composition (%) |
| C | ≤0.20 |
| Mn | ≤1.70 |
| P | ≤0.10 |
| S | ≤0.045 |
| Si | ≤0.60 |
| Al | ~55 |
| Zn | ~43.4 |
| Si (coating) | ~1.6 |
Mechanical Properties: | Property | Value |
| Yield Strength (MPa) | ≥300 |
| Tensile Strength (MPa) | 360 - 480 |
| Elongation (%) | ≥15 |
S350GD Chemical Composition: . | Element | Composition (%) |
| C | ≤0.20 |
| Mn | ≤1.70 |
| P | ≤0.10 |
| S | ≤0.045 |
| Si | ≤0.60 |
| AI | ~55 . |
| Zn | ~43.4 |
| Si | ~1.6 |
Mechanical Properties: | Property | Value |
| Yield Strength (MPa) | ≥350 |
| Tensile Strength (MPa) | 420 - 540 |
| Elongation (%) | ≥14 |
S450GD Chemical Composition: . | Element | Composition (%) |
| C | ≤0.20 |
| Mn | ≤1.70 |
| P | ≤0.10 |
| S | ≤0.045 |
| Si | ≤0.60 |
| AI | ~55 |
| Zn | ~43.4 |
| Si (coating) | ~1.6 |
| Mechanical Properties: | |
| Property | Value |
| Yield Strength (MPa) | ≥450 |
| Tensile Strength (MPa) | 480 - 630 |
| Elongation (%) | ≥10 |
S550GD Chemical Composition: | Element | Composition (%) |
| C | ≤0.20 |
| Mn | ≤1.70 |
| P | ≤0.10 |
| S | ≤0.045 |
| Si | ≤0.60 |
| AI | ~55 |
| Zn | ~43.4 |
| Si (coating) | ~1.6 |
| Mechanical Properties: | |
| Property | Value |
| Yield Strength (MPa) | ≥550 |
| Tensile Strength (MPa) | 550 - 720 |
| Elongation (%) | ≥7 |
Application scenarios: Suitable for lightweight structural components, roofs and cladding.
Applicable industries: Construction, building exterior walls and lightweight manufacturing where medium strength can meet requirements.
S300GD Galvalume Structural Steel
Application scenarios: Suitable for structural components that require enhanced strength, such as purlins and light frames.
Applicable industries: Construction, automotive components, and electrical appliances that require higher yield strength.
S350GD galvanized color-coated structural steel
Application scenarios: used for demanding structural applications such as floors, frames and heavy cladding.
Applicable industries: construction, heavy machinery and transportation, which require a balance of strength and ductility.
Applications: Ideal for highly stressed structural components such as load-bearing beams and heavy frames.
Industries: Construction, industrial equipment and infrastructure projects that require high strength and durability.
S550GD steel coil
Applications: Best suited for critical structural applications that require maximum strength, including bridges and high-rise buildings.
Industries: Construction, aerospace and military applications where top strength and structural integrity are critical.
Our Company About Henan Houming Industrial Co., Ltd.: We are a manufacturer specializing in deep processing of
Prefab House, silicon steel, weathering steel and wear-resistant plates. Houming adheres to the business philosophy of "seeking truth and being pragmatic" and is committed to providing customers with high-quality products and services. Through continuous technological innovation and process improvement, we have established a good reputation in the industry and won the trust and support of our customers.
Contact Now