Import Comb Steel Plate Expansion Joint — Buy in Bulk from Supplier in China

Comb steel plate expansion joints from Zaoqiang Dacheng Rubber Co., Ltd. are engineered for bridge applications, separating structural elements to accommodate movement from thermal stress and settling. The joints use steel plates with a comb-like profile to allow controlled displacement while maintaining load transfer and alignment. Each unit is designed to withstand environmental stress and cyclic loading typical of highway and rail bridges.

The primary material is structural steel, with the comb teeth and base plates fabricated to tight tolerances for uniform load distribution. Standard grades for such joints include ASTM A36 or equivalent, with surface treatments like hot-dip galvanizing to resist corrosion in outdoor conditions. Typical installation spans range from 40 mm to 300 mm, with movement capacities of ±40 mm to ±150 mm depending on the bridge’s thermal and seismic design requirements.

These joints are specified by civil engineers for new builds and retrofits where durability under heavy traffic is critical. Contractors source them for projects requiring compliance with international bridge standards, with packaging typically in wooden crates for protection during transit. Buyers confirm lead times and incoterms directly with the supplier, as these depend on project scale and destination port.

Zaoqiang Dacheng Rubber Co., Ltd. is based in Hengshui, Hebei, China, with its office located at Shangcheng Guoji, 20th Floor, Xinhua Rd. The company operates as an imported-tier supplier, indicating it sources or manufactures components for international markets. Its trust tier is classified as harbor, reflecting a baseline level of verification for cross-border trade.

The supplier’s response metrics currently show a 0.00% response rate with no average response hours recorded, which suggests buyers should expect to follow up directly via listed contact channels. The company specializes in bridge construction materials, with this expansion joint listing highlighting its focus on infrastructure projects. No additional history, client list, or revenue figures are provided in the profile.