Q235B Carbon Structural Steel / Q345B Low-Alloy High-Strength Steel
Main Material
Φ40 mm - Φ60 mm (Depending on load requirement)
Tube Outer Diameter
2.5 mm - 4.0 mm (≥3.0mm recommended for heavy-duty use)
Tube Wall Thickness
thick-steel-rear-seat-bracket-load-bearing-anti-rust
Integrated thick high-strength steel structure with strong load capacity and anti-deformation. Electrophoretic anti-rust coating resists moisture corrosion. OEM precise holes fit truck cab rear backrest perfectly without cutting during installation.
Specifications
适用车型 (Applicable Vehicle)Heavy Duty Truck, Dump Truck, Tractor Head, Construction Vehicle Rear Access Area
主体材质 (Main Material)Q235B Carbon Structural Steel / Q345B Low-Alloy High-Strength Steel
管材外径 (Tube Outer Diameter)Φ40 mm - Φ60 mm (Depending on load requirement)
管壁厚度 (Tube Wall Thickness)2.5 mm - 4.0 mm (≥3.0mm recommended for heavy-duty use)
总长度 (Total Length)600 mm - 1000 mm (Fits various step widths)
承载能力 (Load Capacity)≥500 kg (Static) / ≥300 kg (Dynamic Impact)
Key Features
Integrally stamped thick high-strength steel, solid overall structure to stably support seat backrest, resistant to bending and deformation under long-term load and bumpy driving
Full electrophoretic anti-rust & anti-corrosion treatment, withstands cab moisture and outdoor rain, no rust even for long-term use in humid coastal areas
CNC OEM standard mounting holes perfectly match cab chassis, no cutting or reaming required, quick assembly and replacement by one person
Product Description
| 参数项目 (Parameter Item) | 英文规格说明 (English Specification) |
| 产品名称 (Product Name) | Rear Backrest Mounting Bracket / Rear Backrest Support Frame |
| 适用车型 (Applicable Vehicle) | Heavy Duty Truck, Dump Truck, Tractor Head, Construction Vehicle Rear Access Area |
| 主体材质 (Main Material) | Q235B Carbon Structural Steel / Q345B Low-Alloy High-Strength Steel |
| 管材外径 (Tube Outer Diameter) | Φ40 mm - Φ60 mm (Depending on load requirement) |
| 管壁厚度 (Tube Wall Thickness) | 2.5 mm - 4.0 mm (≥3.0mm recommended for heavy-duty use) |
| 总长度 (Total Length) | 600 mm - 1000 mm (Fits various step widths) |
| 安装孔位 (Mounting Hole Pattern) | 2-4 M12/M16 bolt holes per end |
| 表面处理 (Surface Treatment) | Electrophoretic Black Paint / Hot-dip Galvanizing / Powder Coating |
| 承载能力 (Load Capacity) | ≥500 kg (Static) / ≥300 kg (Dynamic Impact) |
| 耐腐蚀等级 (Corrosion Resistance) | Salt Spray Test ≥720h (Galvanized) / ≥480h (Painted) |
| 重量范围 (Weight Range) | 8.0 kg - 15.0 kg (Depending on size and thickness) |
| 安装方式 (Installation Method) | Bolted to frame side rail or crossmember |
| 配套部件 (Compatible Components) | Compatible with anti-slip rubber pad, reflective tape, lighting |
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