Q460 Square Tube for Structure frame project
Simple Description：
Standard：GB/T 19879-2015
Grade: Q345,Q390, Q420， Q460, Q500, Q550， Q620，Q690
Application: Steel structure frame project
Size: 20*20-600-600mm Thickness 1.5mm-30mm
Certificate: FPC, CE, Mill certificate, EN10214-1
Chemical Composition:
| Grade | Chemical Compostion(%) | |||||||||||
| C | Mn | Si | P | S | V | Nb | Ti | AI≥ | Cr | Ni | ||
| ≤ | ≤ | ≤ | ≤ | ≤ | ≤ | ≤ | ≤ | ≤ | ≤ | |||
| Q460 | C | 0.2 | 1.8 | 0.6 | 0.03 | 0.03 | 0.2 | 0.11 | 0.2 | 0.015 | 0.3 | 0.8 |
| D | 0.03 | 0.025 | ||||||||||
| E | 0.025 | 0.02 | ||||||||||
Mechanical Properties:
| Grade | Delivery | Mechanical Properties | |||||||
| Yield Strength (Thickness Min Mpa ) | Tensile Strength | elongation min（%） | |||||||
| ≤16mm | 16—40mm | 40—63mm | 63—80mm | 80—100mm | 100—150mm | Min Mpa | ≥34J | ||
| Q460 C | Nornalization | 460 | 440 | 420 | 400 | 400 | 380 | 550-720 | ≥17% |
| Q460 D | Nornalization | ||||||||
| Q460 E | Nornalization | ||||||||
Production Show:
Package:
Dellivery And Loading:
Further Processing:
Application:
Alloy square tubes are used in construction, machinery manufacturing, steel construction projects, shipbuilding, solar power brackets, steel structure engineering, power engineering, power plants, agricultural and chemical machinery, glass curtain walls, automobile chassis, airports, etc.
