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Hollow section (CHS / SHS / RHS)

2021-07-20

Hollow section (CHS / SHS / RHS)

LEFIN STEEL is professional hollow section factory we mainly produce SHS ( Square hollow section )  20MMX20MM --- 900MMX900MM  thickness:1.5--50mm RHS ( Rectangular hollow section ) 20MMX10MM --- 1000MMX500MM  thickness:1.5--50mm CHS ( Circular hollow section) 20MM---2048MM  thickness:1.5mm--50mm Standard:ASTM A500  EN10219  EN10210 JIS G3466 Grade: S235JRH S275JR S355JRH S355J0H S355J2H Q235 Q355B Q355C Q355D STK400 STK490 Surface treatment: Galvanizing,painting,blast and painting,FBE(powder coating),slightly oil Hot finished treatment PVC Cloth cover every bundle

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post tension system material

post tension system material

2021-07-20

Post tension system containing following materials 1. Anchor System: unbonded monostrand anchor system, multistrands anchor system, flat anchor system, arch type flat anchor, anchor barrel and wedges, ground anchor, rock and soil anchor, anchor wedges, anchor bearing plate, spiral reinforcing rings

prestressed concrete steel strand

prestressed concrete steel strand

2021-07-20

Prestressing Post Tensioning Construction Stressing 12.7mm 15.2mm PC Steel Strand Wire PE coated low relaxation PC strands are widely used in post tensioning prestressed concrete structure, like cable stay bride or PT slabs. It is characterized by having no need of room for future expansion and grout, convenient construction, material saving and easily bending etc.

what is SSAW PIPE

what is SSAW PIPE

2021-04-14

SSAW pipe full name is Spiral submerged arc welded steel pipe a kind of metal pipe with spiral seam welded by submerged arc welding technology. SSAW pipe is made of hot rolled coiled steel by automatic submerged arc weld under normal atmospheric temperature. All the pipes are produced according to API Spec 5L, GB/T9711.1, GB/T9711.2, ASTM A252-89 standard. These pipes mainly used in petroleum and natural gas industry to transport flammable and non-flammable liquid and steel construction.

difference between LSAW pipe and SSAW pipe

difference between LSAW pipe and SSAW pipe

2021-04-14

LSAW Pipe (Longitudinal Submerged Arc-Welding Pipe), also called SAWL pipe. It is taking the steel plate as raw material, mold it by the molding machine, then do double-sided submerged arc welding. Through this process the LSAW steel pipe will get excellent ductility, weld toughness, uniformity, plasticity and great sealing.

Coated steel pipes

Coated steel pipes

2021-03-16

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