Multiquip C-30HD Oxygen Equipment User Manual


 
C-30HD PARTS & OPERATION MANUAL REV. #4 (03/06/01) PAGE 21
A.S.T.M. STANDARD SPECIFICATION FOR GRADING AGGREGATE
Screen Size of Operating Percentage Passing
U.S. Metric (by weight)
FINE AGGREGATE: Referred to as washed concrete sand.
3/8 3/8 9.51mm 100%
#4 4760 micron 4.76 mm 95 to 100%
#8 2380 micron 2.38 mm 80 to 100%
#16 1190 micron 1.19 mm 50 to 85%
#30 590 micron 1.19 mm 50 to 85%
#50 297 micron 297 µ 10 to 30%
#100 149 micron 149 µ 2 to 10%
3/8 (9.51 mm) PEA GRAVEL AGGREGATE: Referenced to as #4 Rock or Gravel or 1/2 minus (12.7 mm) size.
1/2 1/2 12.7 mm 100%
3/8 3/8 9.51 mm 85 to 100%
#4 4760 micron 4.76 mm 10 to 30%
#8 2380 micron 2.38 mm 0 to 10%
#16 1190 micron 1.19 mm 0 to 5%