S235JR/S275JR/S355JR/S355JO steel channel
S235JR: It is a low carbon steel with a carbon content of about 0.16 - 0.23%. The content of impurity elements such as sulfur and phosphorus is low, not more than 0.045% and not more than 0.045% respectively. This composition makes it have good welding and machining properties, as well as excellent plasticity and toughness, and good corrosion resistance.
