SMS will deliver a hot dip galvanizing line to Angang Guangzhou Automotive Steel

Angang Guangzhou Automotive Steel Co Ltd and Ansteel Engineering Technology Corporation Ltd has signed a contract with Germany-based SMS for the supply of a new hot-dip galvanising line (No 2). The first ready-for-sale coil is scheduled to begin production in November 2025. The new line will be installed on the premises of Angang Guangzhou in Guangzhou and have an annual capacity of 400,000 tonnes. The production bay is to be located close to the existing hot-dip galvanising line (No 1) at the site, also supplied by SMS back in 2013.

The new line will produce exposed automotive panels that demand optimal surface quality. All key technological components covering the mechanical, thermal, process and electrical equipment will be designed and supplied by companies operating within the SMS group. The technological centrepiece of the second hot-dip galvanising line will be an all-radiant-tube annealing furnace supplied by Drever International together with an air knife system from Duma-Bandzink. These systems ensure the right material properties within tight tolerances as well as the flawless surface condition that automotive end users require for exposed qualities.

The terminal and process equipment delivered by SMS’s Center of Competence for Processing Lines guarantees stable production and efficient maintenance. A high degree of modularisation is incorporated in the chosen design. This technology ensures stable production and optimised surface quality.

All-radiant-tube furnace
SMS’s cleaning section removes surface contaminations efficiently and thoroughly thanks to a combination of mechanical, hydrodynamic and chemical process steps. The cleanliness of the strip surface is crucial for the final achievable product quality. The all-radiant-tube furnace from Drever International is designed to strictly separate the furnace atmosphere, the combustion process, and the ambient environment, in order to avoid any deterioration in the surface condition during heat treatment.

Duma-Bandzink’s air knife systems have a long history in providing optimal quality for galvanised surfaces. SMS’s inline skin pass mill is designed to finish the galvanised surface with a controlled surface imprint. In addition, the unit improves the strip shape to allow for easy stamping at the end users’ facilities in the automotive industry. The scope of delivery of SMS includes the engineering, procurement, and delivery of the complete range of equipment required for the new hot dip galvanising line. Moreover, technical assistance is included during the construction and commissioning phases.

Angang Iron & Steel Co and SMS have worked together for a long time. In terms of processing lines, SMS put the first hot dip galvanising line (No. 1) successfully into operation in 2013. Not only that, two continuous annealing lines were jointly put into service at Angang’s main site in Anshan.

The new line at Angang showcases SMS's capability, bolstered by its global presence, to deliver a high-class installation as a full-line EP project to the highly competitive Chinese market.