Artificial salt spray tests are widely used to determine the corrosion resistance of metal products. The most common type of salt spray test is the neutral salt spray test (NSS test), which uses a 5% sodium chloride solution with a pH range of 6-7 as the spray solution. The temperature is maintained at 35°C, and the salt fog deposition rate is between 1-2ml/80cm².h.

Structural components of noise barrier and highway sign gantry for Tseung Kwan O - Lam Tin Tunnel project-Case Episode 4

Invitation to Yuantai Derun's Tube China 2023 International Pipe Exhibition from June 14th to 16th.

Let me provide you with a detailed introduction on whether or not heating is required for the precision rolled square tube, and what the purpose is.

Tianjin Yuantai Derun Steel Pipe Manufacturing Group wishes everyone a happy Dragon Boat Festival!

On July 4th, it was reported that Tianjin Yuantai Derun Group was awarded the National Manufacturing Single Champion Demonstration Enterprise with the help of a borrower's square rectangular tube.

Good news! On September 6, 2023, Tianjin Yuantai Derun Steel Pipe Group received another good news, and the group company was successfully selected as one of the first batch of intelligent construction pilot enterprises in Tianjin.

Yuantai Derun Steel Pipe Manufacturing Group Sincerely invite you to attend The 136th Canton Fair

The 2025 China Steel Market Outlook -'My Steel' Annual Conference-Yuantai Derun Group was invited to attend this grand event.