- OUTER DIAMETER
- 10*10-1000*1000MM 10*15-800*1100MM
- Delivery Time
- 7-30 days
EN10219 S235JRH SQUARE RECTANGULAR HOLLOW SECTION STEEL PIPE IRON TUBE
Uses: mechanical equipment manufacturing, glass curtain wall, marble curtain wall dry hanging, shipbuilding, cargo support, steel structure engineering, furniture manufacturing, medical equipment, agricultural and chemical machinery, auto parts, etc
1. It is economical hollow section steel.
2. It is widely used to manufacture structural and mechanical parts, such as oil drill pipes, automobile transmission shafts, bicycle frames, steel scaffolding, and hollow steel pipe parts used in construction.
3. It can improve the utilization rate of materials, simplify the manufacturing process, and save materials and processing time, such as rolling bearing rings, jack sleeves, etc., which have been widely manufactured with steel pipes.
Chemical composition: C: 0.17-0.2 Mn: 1.4 P: 0.04 S: 0.04 N: 0.009
Mechanical properties: Yield: 195-235MPa
Tensile strength: 350-510MPa
Compared with my country's steel grade: Q235B
3mm < wall thickness ≤ 16mm: yield strength ≥ 235MPa, tensile strength ≥ 360-510MPa, elongation ≥ 24%
16mm < wall thickness ≤ 40mm: yield strength ≥ 225MPa, tensile strength ≥ 360-510MPa, elongation ≥ 24%