T/ZZAS 020-2022 Active Group standards

T/ZZAS 020-2022 Damping pad quick-assembly bracket

Publish Date: 2022-12-05 Implement Date: 2022-12-09 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/ZZAS 020-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Integrated Building Components

Publish Date: 2022-12-05

Implement Date: 2022-12-09

Scope

Main technical contents: 5.1 The mechanical properties and corrosion resistance of aluminum alloy profiles shall comply with the requirements in Table 1. **Table 1: Mechanical Properties and Corrosion Resistance Items** **Unit** **Performance Indicator** **Room Temperature Longitudinal Tensile Strength (RmN/mm2)** 160 **Room Temperature Longitudinal Tensile Elongation After Breakage (%) / 8)** - **Vickers Hardness (HV)** 58 **Resistance to Hydrochloric Acid** - **Visual Inspection After Resistance to Hydrochloric Acid Test**: The coating surface shall show no peeling, flaking, or other obvious changes. **Resistance to Detergent**: - **Dimensional Tolerance**: a) **Wall Thickness of Decorative Surface**: The minimum nominal wall thickness of the decorative surface of aluminum alloy profiles shall be ≥1.1mm. b) **Profile Height**: Aluminum alloy profiles are available in three types: 2.65m, 2.80m, and 3.30m, with a permissible deviation of +2mm; customized sizes are allowed with a permissible deviation of +2mm. 5.2 **Bending Degree**: - For any 300mm-long section, the bending degree shall not exceed 1.0. 5.3 **Static Load Test for Light Steel Keel in Building**: The residual deformation shall not exceed 2.0mm.