แป็ปเหล็กดำ
| OD 1/2" | W/T = 2.00 | 
| OD 3/4" | W/T = 1.50 , 1.80 , 2.00 | 
| OD 1" | W/T = 1.80 , 2.00 , 2.30 , 2.80 , 3.20 | 
| OD 1-1/4" | W/T = 1.50 , 1.80 , 2.00 , 2.30 , 3.20 | 
| OD 1-1/2" | W/T = 1.80 , 2.00 , 2.30 | 
| OD 2-1/2" | W/T = 3.20 | 
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