GB/T 34724-2017 in English
VALIDAccelerated method of determining corrosion rate of metal in contact with preservative treated wood
- Issued on:2017-11-01
- Implemented on:2018-05-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$97.00
《GB/T 34724-2017接触防腐木材的金属腐蚀速率加速测定方法》由TC41(全国木材标准化技术委员会)归口,TC41SC1(全国木材标准化技术委员会基础标准分会)执行,主管部门为国家林业和草原局。
Introduction
1. Introduction
GB/T 34724-2017 standard "Method for Accelerated Determination of Corrosion Rate of Metals in Contact with Preserved Wood" aims to standardize the corrosion rate of metals in contact with preservative wood under laboratory conditions. The standard was issued in 2017, proposed by the State Forestry Administration, and managed by the National Technical Committee for Timber Standardization.
2. Background and significance of standard formulation
With the development of wood preservation technology in my country, the application of metal materials in the environment of preservative wood is becoming more and more extensive. In order to accurately evaluate the corrosion resistance of metals in different preservative-treated wood, it is urgent to establish unified test methods and standards. The formulation of GB/T 34724-2017 fills this gap and provides an important basis for research and practice in related fields.
3. Comparison of standard frameworks
| Standard dimensions | GB/T 34724-2017 requirements | Comparative analysis |
|---|---|---|
| Test equipment | Vacuum/pressure impregnation tank, constant temperature and humidity chamber, oven, etc. | Compared with the old standard, high-precision instrument requirements are added to ensure the accuracy of the experimental results. |
| Material requirements | Metal specimens (mild steel, hot-dip galvanized steel, etc.), wood specimens (Lincoln pine, southern pine, etc.) | Specify the material type and size to improve the repeatability of the experiment. |
| Test methods | Immersion treatment, constant temperature and humidity test, mass loss calculation, etc. | The introduction of accelerated corrosion test technology shortens the experimental cycle. |
4. Explanation of professional terms
Preservative loading (L): refers to the mass of preservative per unit volume after wood treatment, in kg/m³.
Mass loss (Δm): The mass change of metal specimens after exposure test, an important indicator reflecting the degree of corrosion.
5. Implementation suggestions
- Strictly select instruments, equipment and materials in accordance with standard requirements to ensure the accuracy of experimental conditions.
- In actual operation, pay attention to controlling environmental factors such as temperature and humidity to avoid external interference.
- Regularly calibrate measuring tools (such as balances and vernier calipers) to ensure data reliability.
- For different metal materials and preservative types, parameter adjustments can be made based on the standard framework.

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