Forward Filter Manufacturers Co.,Ltd.
|Place of Origin:||China|
|Minimum Order Quantity:||500 meters|
|Price:||USD + 15-50 + Meters|
|Packaging Details:||Wood Carton or Steel Belts|
|Payment Terms:||T/T, , L/C|
|Material:||Different Kinds Of Steel||Packing:||Bandle With Steel Belts|
|Length:||No Limited||Product Name:||Spiral Perforated Tube|
Staggered Pattern Spiral Perforated Tube , Round Hole Perforated Metal Pipe
Commonly Perforated Carbon Steel Types
Commercial Steel (HR, CR, GALV) A low cost steel that has good drawing, forming, and welding qualities, moderate strength, but is subject to strains, fluting, and breaks due to aging. To reduce the affects caused by aging, Drawing Steel is recommended.
Drawing Steel (HR, CR)
A steel with a greater degree of ductility and uniformity of properties than Commercial Steel providing improved performance during manufacturing. This type is recommended for use when stretcher strains or fluting during fabrication are objectionable and/or consistency of performance is important.
Formulas for your reference
A: 60° perforation pattern or staggered pattern: hole diameter * hole diameter*90.69% / hole center distance * hole center distance
B: 180° perforation pattern or straight pattern: hole diameter * hole diameter * 78.5% / horizontal diameter center distance * vertical diameter center distance
C: Other special cases as follows
Spiral Welded Steel Perforated Pipe High Quality with Attractive Price is offered by Forward Filter, when become our important customer with good quantity business, special quotation is available.