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steel packing strips Mechanical properties (1)Ordinary steel strips: tensile strengthσb≥58-75Kg/mm2(580-750Mpa),elongation3%-5%. (2)Ordinary steel strips: tensile strengthσb≥75-85Kg/mm2(750-850Mpa),elongation4%-6%. (3)High quality steel strips: high intesity,good capability,bearing impact.tensile strength: 85-100Kg/mm2 (850-1000Mpa) , 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) FAQ: We can produce special specification as per customers request,and we can make the edge smoother of the steel packing strips.