How to chose one set of suitable long reach boom excavator? Plates play an important factor.
Introduction of long reach boom excavator:
Excavator long arm is suitable for various kind of excavator like hitachi, komatsu, cat, zoomlion etc.
Excavator long arm is frequently used in digging sand soid silt etc. Long excavator boom is commonly seen in construction work, like cleaning the river, dredging sand from sea bed, etc. Because the standard arm standard boom can't reach deeply. For specific working condition, excavator long boom arm for sale plays an essential factor.
Plates is an essential factor in long boom excavator for sale:
High quality plates can lessen cracking rate and reduce to later maintanment cost. Because long boom excavator is long reach which will bear huge stress. If there is no reinforcement, the long reach boom arm will crack easily. One high-quality plate not only lessen the cracking rate but has better welding performance. Welding performance is also very important especially in the parts which bear huge stress. Boom end, boom seat and other parts of long reach boom bear huge stress. Without improved welding, these places are easy prone to crack.
Regarding plates, we adopts is Shaogang Q355B. Shaogang Q355B has better welding performance and is famous for not easy cracking.
Many main brand's standard arm standard boom adopt Q355B. Of course, if clients want ligher and stronger. Q690D material is also available. Q690D is little expensive than Shaogang Q355B and also the procedure of welding is more complex.
