... ASTM B863, ASTM B348, ASTM F67, ASTM F136SpecificationDiameter:0.04-6.0mmSurface TreatmentPolishing, Black oxideFeatureslight weight, acid and alkali resistance ... transport and prompt delivery.We offer competitive price with best service .We have high technical production line with top ... quality products.We have win high reputation based on best quality products.Reliable quality on the base of the ...