S355JR（E355B） Square Steel Pipe

S355JR(E355B) Square Steel Pipe Product description: The S355JR (E355B) square steel pipe is a high-strength structural tube made from low-alloy, high-tensile steel. It is widely used in construction, machinery, transportation, and mechanical structures where durability, load-bearing capacity, and reliability are essential. With its excellent strength-to-weight ratio, superior weldability, and consistent dimensional accuracy, the S355JR (E355B) square steel pipe is ideal for