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steel strapping,blue tempered steel strapping Application]: The product is made from ordinary carbon structured or high quanlity carbon strctured steels via cold-rolled,eletric heat and blue and paintbaked.It is applicable for bundling and packing of wood,paper,cotton spinning,glass, Stone,steels,weld tube and so on large objects. [Sort of steel packing strips]: (1) White steel packing strips (2) Blue steel packing strips (3) Paintbaked steel packing strips(black,green,gray,yellow etc.) [Mechanical properties]: (1)Ordinary steel strips(): tensile strengthσb≥58-78Kg/mm2(580-780Mpa),elongation3%-5%. (2)Ordinary steel strips(): tensile strengthσb≥78-90Kg/mm2(780-900Mpa),elongation3%-5%. (3)High quality steel strips: high high intesity,good capability,bearing impact.tensile strength: 90-100Kg/mm2 (900-1000Mpa) , elongation5%-10%. [Specification]: BWG28×3/8'',1/2'' ,5/8'' (0.36mm×9.5mm ,12.7mm ,16mm) BWG27×3/8'', 1/2'' ,5/8'' (0.40mm×9.5mm, 12.7mm ,16mm) BWG26×1/2'' , 5/8'' , 3/4'' (0.45mm×12.7mm , 16mm , 19mm) BWG25×1/2'' , 5/8'' , 3/4'' (0.50mm×12.7mm , 16mm , 19mm) BWG24×1/2'' , 5/8'' , 3/4'' (0.55mm×12.7mm , 16mm , 19mm) BWG23×1/2'' , 5/8'' , 3/4'' (0.60mm×12.7mm , 16mm , 19mm) BWG22×3/4'' , 1'', 5/4''( 0.70mm×19mm , 25.4mm, 32mm) BWG21×3/4'' , 1'' ,5/4'' (0.80mm×19mm , 25.4mm, 32mm) BWG20×3/4'' , 1'' ,5/4 '' , (0.90mm×19mm , 25.4mm , 32mm) BWG19×3/4'' , 1'', 5/4'' (1.0mm×19mm , 25.4mm, 32mm) [Others]: We can produce special specification as per customers request,and we can make the edge smoother of the steel packing strips. Blue tempered steel strap; Cold rolled steel strap; Paintbaked steel strap; Oscillated steel strap; Packing steel strap; Packing materials strap. Width: 12.7mm, 16mm, 19mm, 25.4mm, 31.75mm Thickness: 0.36mm-1.0mm Break strength: 600Mpa-800Mpa, above 850Mpa. Elongation: 3%-5%, 5%-10%. Surface: Blue annealed and waxed, blacked painted and waxed. ID: 200mm, 300mm, 406mm Wound: Mini ribbon, ribbon and oscillate.