Q345B ohuru di iche iche nke a na-ese ụgbọelu nwere nchekwa ma ọ bụ nhazi dị iche.A na-amanye apụta ụgbọelu epoxy ntọgbọelu a na-enyere aka steel pipe.Njikọ nke nhazi a na-enye aka stọlíìlì á ga-enwe nchekwa mma.Ápáàbụ̀ abụghị sọsọ dị mfe iji kwado n'ihu nke mgbasa ozi dị iche iche, kama nwere coefficient gbagwojuru ike nke dị mfe, ya bụ na a naghị enyemaka pipe nke oche drọwa adịghị mma iji ya mgbe eji ya wee ma nwere ike imetụta ndụ ọrụ nke usoro oche nke pipeline.
