T/APSW 004-2022 Active Group standards

T/APSW 004-2022 Mining support component: Steel wire woven welded net

Publish Date: 2022-12-20 Implement Date: 2022-12-21 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/APSW 004-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Other steel products

Publish Date: 2022-12-20

Implement Date: 2022-12-21

Scope

Main Technical Content: The product marking consists of wire diameter, mesh size, external dimensions, mesh structure type, and mesh edge structure type, as shown in Figure 2. **Example of steel wire braided welded mesh marking**: - Wire diameter: 5.8mm - Mesh size: 100mm × 100mm - External dimensions: 2500mm × 1000mm - Structure type: Double-curved - Mesh edge structure type: Neat The marking is: BW, 5.8mm-100mm×100mm-2500mm×1000mm, A, Neat. **5. Structure types**: There are four structure types, as shown in Table 1. **Table 1: Steel wire braided welded mesh structure types** **Structure type code**: **Structure type name**: - A: Double-curved steel wire braided welded mesh - B: Double-curved staggered steel wire braided welded mesh - C: Single-curved staggered steel wire braided welded mesh - D: Double-curved pre-bent steel wire braided welded mesh **6. Requirements** 6.1 Steel - Low-carbon steel with a tensile strength of at least 550MPa after cold drawing shall be selected. Its mechanical properties shall comply with relevant standards. - The diameter and allowable deviation of steel wire shall comply with Table 2. **Table 2: Diameter and allowable deviation of steel wire (in mm)** **Diameter (mm)** **Allowable deviation (mm)** 5.8 ± 0.16 6.0 **Note 1**: Special specifications shall be agreed upon by the supplier and buyer. **Note 2**: Pre-bending and wire diameter deviation are not specified for welded mesh. 6.2 Mesh - The mesh size, external dimensions, and allowable deviation shall comply with Table 3. **Table 3: Mesh size, external dimensions, and allowable deviation (in mm)** **Mesh size (center-to-center distance)** **External dimensions (length × width)** **Nominal value** **Allowable deviation** 100 × 100 ± 5 2500 × 1000 ± 10 2600 × 1000 ± 10 2900 × 1100 ± 10 3200 × 1200 ± 10 2000 × 1000 ± 10 1700 × 900 ± 10 1800 × 1000 ± 10 **Note**: Special specifications shall b