Galvanized Steel Stair Stringers - Australian Standard & Durable Design
| Number of Treads | Vertical Height# (mm) | Horizontal Distance# (mm) | RHS Thickness (mm) | Weight Per Pair (kg) |
|---|---|---|---|---|
| 1 | 350 | 240 | 3 | 8 |
| 2 | 525 | 490 | 3 | 14 |
| 3 | 700 | 740 | 3 | 19 |
| 4 | 875 | 990 | 3 | 24 |
| 5 | 1050 | 1240 | 3 | 30 |
| 6 | 1225 | 1490 | 3 | 35 |
| 7 | 1400 | 1740 | 3 | 41 |
| 8 | 1575 | 1990 | 3 | 46 |
| 9 | 1750 | 2240 | 3 | 51 |
| 10 | 1925 | 2490 | 3 | 57 |
| 11 | 2100 | 2740 | 3 | 62 |
| 12 | 2275 | 2990 | 3 | 67 |
| 13 | 2450 | 3240 | 5 | 105 |
| 14 | 2625 | 3490 | 5 | 113 |
| 15 | 2800 | 3740 | 5 | 120 |
| 16 | 2975 | 3990 | 5 | 128 |
| 17 | 3150 | 4240 | 5 | 136 |
The production process begins with the selection of high-strength dual-grade 350/450 Australian steel. Each steel section is precision-cut and formed into 100x50mm rectangular tubes. Brackets are fully welded onto these tubes, ensuring structural integrity, before being hot-dip galvanized to an 85-micron zinc coating, adhering to AS4680 standards ensuring long-lasting durability and weather resistance.
Manufacturing involves pre-cambering processes to ensure no distortion occurs during use. The treads are pressed from grade 300 material for enhanced strength. Post-fabrication, the stringers undergo rigorous quality checks to ensure they meet Australian Standards and customer specifications, making them suitable for a variety of construction needs.
Market feedback highlights significant satisfaction due to the robustness and adaptability of the stringers. Clients appreciate the custom fabrication options available directly from our factory, which streamline project timelines and costs. The stringers' weather-resistant properties have also received positive reviews, particularly in infrastructure projects where longevity is crucial.
Solutions FAQ
Q1: What are the standard dimensions for your stair stringers?
A1: Our stock stringers feature a 175mm rise and 254mm going, aligning with Australian standards for optimal construction. Availability ranges from 1 to 17 steps, customizable to client needs.
Q2: How does Qingdao Xinhuiying Steel ensure product quality?
A2: As a leading China manufacturer, we maintain rigorous quality checks from material selection to final product, ensuring adherence to AS4680 standards and client specifications.
Q3: Do you offer custom finishes on your products?
A3: We provide optional finishes such as marine-grade primer and powder coating in any color, in addition to our standard hot-dip galvanized finish, enhancing project aesthetics.
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