North American project uses ASTM A572 steel for the stairs and steel structural accessories.
Product Detail
| Parameter | Specification / Details |
|---|---|
| Product Name | ASTM A572 Steel Stair / High-Strength Industrial & Commercial Steel Staircase |
| Material | ASTM A572 Structural Steel (Grade 50 / Grade 42 / Grade 55 optional) |
| Standards | ASTM |
| Dimensions | Width: 600–1200 mm (customizable) Height/Rise: 150–200 mm per step Step Depth/Tread: 250–300 mm Length: 1–6 m per section (customizable) |
| Type | Prefabricated / Modular Steel Stair |
| Surface Treatment | Hot-dip galvanized; optional epoxy or powder coating; anti-slip tread available |
| Mechanical Properties | Yield Strength: ≥345 MPa (Grade 50) Tensile Strength: 450–620 MPa |
| Features & Advantages | High-strength and load-bearing capacity; modular design for fast installation; enhanced safety with anti-slip treads; suitable for heavy-duty and outdoor environments; fully customizable |
| Applications | Industrial plants, warehouses, commercial buildings, infrastructure projects, airports, transit stations, rooftop and outdoor access platforms, marine and coastal structures |
| Quality Certification | ISO 9001 |
| Payment Terms | T/T 30% Advance + 70% Balance |
| Delivery Time | 7–15 days |
ASTM A572 Steel Stair Size
| Stair Part | Width (mm) | Height/Rise per Step (mm) | Step Depth/Tread (mm) | Length per Section (m) |
|---|---|---|---|---|
| Standard Section | 600 | 150 | 250 | 1–6 |
| Standard Section | 800 | 160 | 260 | 1–6 |
| Standard Section | 900 | 170 | 270 | 1–6 |
| Standard Section | 1000 | 180 | 280 | 1–6 |
| Standard Section | 1200 | 200 | 300 | 1–6 |
ASTM A572 Steel Stair Customized Content
| Customization Category | Options Available | Description / Range |
|---|---|---|
| Dimension Customization | Width (B), Step Height (R), Tread Depth (T), Stair Length (L) | Width: 600–1500 mm; Step Height: 150–200 mm; Tread Depth: 250–350 mm; Length: 1–6 m per section (project adjustable) |
| Processing Customization | Drilling, Hole Cutting, Prefabricated Welding, Handrail Installation | Steps and stringers can be drilled, cut, or welded; handrails and guardrails available for pre-installation |
| Surface Treatment Customization | Hot-Dip Galvanized, Epoxy Coating, Powder Coating, Anti-Slip Finish | Coatings selected based on indoor/outdoor use and corrosion or slip resistance requirements |
| Marking & Packaging Customization | Custom Labels, Project Information, Shipping Method | Labels with project or specification details; packaging suitable for flatbed, container, or local transport |
Surface Finish
Conventional Surfaces
Galvanized Surfaces
Spray Paint Surface
Application
1. Industrial Factory Buildings
The steel structure staircase is equipped with stable railings and is used for access to the mezzanine floors and equipment platforms in the factory buildings. The overall load-bearing performance is excellent. The anti-slip design on the steps ensures safety for frequent passage by personnel in the factory area.
2. Commercial building model
The design of the steel ladder is mostly chosen by customers as a simple and modern style. Suitable for public places with large crowds, such as office buildings, shopping malls, hotels, etc.
3. Residential Projects
Suitable for duplex apartments and multi-story private residences. The steel structure staircase has flexible shapes and multiple finishes are available, balancing space utilization and home decoration design styles.
Our Advantages
1. Stable load-bearing performance
The overall steel structure is designed for force-bearing, with sufficient load capacity. It can withstand frequent and high-volume personnel passage for a long time and is unlikely to deform.
2. Flexible space adaptation
Various staircase types such as straight, corner, and multi-run can be selected. It is not restricted by the building's civil engineering conditions and can adapt to various space layouts.
3. Shortened project construction period
All the steel staircase components will be manufactured in the factory according to the customer's requirements. After the customer receives them, they only need to assemble them with bolts.
4. Simple and worry-free maintenance
The surface protective layer of the steel components is sturdy and wear-resistant. Daily maintenance only requires simple cleaning, and the maintenance cost is low in the long run.
5. Diverse appearance styles
Simple industrial style or minimalist modern design can be chosen. The guardrail styles are rich, balancing practical functionality with architectural aesthetics.
6. Strict quality control
Each batch of components undergoes flaw detection and size inspection, and quality verification is completed before leaving the factory, ensuring stable delivery quality.
Packaging & Shipping
1.Packaging Plan
Protection and safeguard: For the outer layer of the steel staircase components, we will specially cover them with waterproof tarpaulins, and pad the inside with foam or cardboard.
Packaging reinforcement: During loading and unloading, the steel products will be specially fastened and bundled to reduce the risk of displacement during transportation.
Equipped with labels: According to customer requirements, bilingual labels in English and Spanish can be provided, clearly marking information such as material grade, specification size, etc.
2.Transportation and Delivery
Road transportation: The finished products are treated with anti-slip packaging, suitable for short-distance delivery, and can be delivered directly to the construction site.
Railway transportation: This mode of transportation is usually adopted when the order volume is large. Large quantities of goods will be transported over long distances in full-truckload shipments.
Shipping plan: Based on the project conditions or requirements of the customer, either general containers or open-top containers are generally selected for shipping to the customer's designated destination port.
FAQ
Q1: What is the standard load capacity of the steel ladder?
A: The load-bearing parameters can be designed according to the project load standards, meeting the requirements of industrial and commercial building traffic loads. Corresponding structural calculation materials can be provided.
Q2: Is the installation of the steel ladder difficult? Is installation guidance provided?
A: It is a modular prefabricated component. Only bolts are used for on-site assembly, no large-scale welding is required. We can provide installation drawings and technical guidance.
Q3: Will the steel ladder rust easily in the high-salt-spray environment near the coast?
A: A heat-dip galvanized coating combined with protective coating solution can be selected to enhance the anti-salt spray corrosion performance, suitable for long-term use in humid coastal environments.
Q4: Can the steel ladder be adapted for renovation projects of old buildings?
A: We support on-site survey of the old project and customization of dimensions. The ladder type can be adjusted according to the original civil engineering space, suitable for renovation projects.
Q5: Can the product provide a test report?
A: At the factory, material certificates and relevant test documents can be provided, and they are supported for project inspection and use.
