1/2″ (15mm), 3/4″ (20mm), 1″ (25mm), 1-1/4″ (32mm), 1-1/2″ (40mm), & 2″ (50mm) in SDR 11 as per ASTM D 2846 & SDR 13.5 derived from ASTM F 422.
2-1/2″ (65mm), 3″ (80mm), 4″ (10mm) & , 6″ (150mm) in SCH- 40 & SCH- 80 as per ASTM F 441.
