Related terms are defined as follow: HOLDThe relevant inspectors shall be informed of time and location of testing and witnessing is required for each unit. Witnessing is mandatory the cycle and written notice through a registered check advice at least 2 week in advance for special inspection or imp
Heavy duty epoxy thermosetting powder coating, also known as fusion bonded epoxy powder coating, referred to as FBE, which is a kind of air as a carrier for transport and dispersion of solids coatings applied to iron and steel products in the preheated surface, melting, leveling, curing to form a un
Pipeline welding is used in welding, fusion welding pipes and pipeline manner, pipe and pipe fittings to connect.The three elements of pipeline weldingBi-metal wear on piping construction, though the operation is simple and easy to master, but both hot melt connection and fused connection procedure
Pipe wall thickness control is a difficult in steel pipe production, measures to improve the production of wall thickness precision mainly includes the following aspects:1, Tube heatingHeat uniformly prohibit rapidly elevating temperature. Each heating and cooling to maintain a slow and steady, the
Precision cold drawn tube (extubation fine) uses seamless steel pipe material as raw materials processing tolerance control and bright surface of a high-precision cold drawn tube. Precision cold drawn tube with a high precision, high finish, the inner wall of cleanliness steel pipe to withstand high
Coated steel pipe is the pipe based as the matrix melt spray or adsorption food-grade epoxy powder coating or PE raw materials at high temperature curing from new materials, through a special process in the wall. Coated steel pipe is with excellent corrosion resistance and frictional resistance. Epo
Piling pipe is a structural building material used to support and stabilize a building's foundation. When the soil below a building is loosely packed, it may not offer enough strength to keep the building stable over time. Piling pipe can be used to distribute the weight of the building deeper into
3PE anti-corrosion steel refers embalmed process processing, can effectively prevent or slow down the spiral steel pipe chemical or electrochemical reaction in the course of transportation and corrosion phenomena. 3PE anticorrosion pipe length delivery, there are four provisions in existing standard
1. Heat treatment PSL1 requirements: J55 and K55 same way (can be rolled-state delivery); PSL2 requirements: J55, K55 product should be normalized or normalized and tempered overall, if thick, should be normalized or normalized and tempered after thickened. 2. Tensile test J55: yield strength of 37
