AISI 4137 premium alloy steel and machined by CNC lathes,
for pipes from 2 3/8" to 6 5/8",
grade is E 75, G 105 and S 135...
Port: Tianjin
Minimum Order Quantity: 1 Piece/Pieces
Supply Ability: 500 Piece/Pieces per Week
Payment Terms: L/C,T/T
Contact Supplier
Packaging Detail: Standard Packing
Delivery Detail: 30 Days
Tool Joint are made of AISI 4137 premium alloy steel fully and machined by CNC lathes. All connections are phosphatized, coated with lubricant and provided with thread protectors. All tool joints should be inspected at full length by fluorescence magnetic particle and ultrasonic method. Tool joints are for pipes from 2 3/8" to 6 5/8", grade is E 75, G 105 and S 135; upset style is EU,IEU or IU.
Tool Joint Technical specification and parameter
| Tool joint code | DP nominal weight LB/R | Steel grade | O.D.(in) | I.D.(in) | Pin tong space(in) | Box tong space(in) | Pin/Box bevel diameter(in) |
NC31 | 10.4 | G105 | 4 1/8 | 2 | 7 | 9 | 3 61/64 |
| S135 | 4 3/8 | 1 5/8 | 7 | 9 | 3 61/64 | ||
NC38 | 13.3 | G105 | 5 | 2 7/16 | 8 | 10 1/2 | 4 37/64 |
| S135 | 5 | 2 1/8 | 8 | 10 1/2 | 4 37/64 | ||
NC46 | 16.6 | X95 | 6 1/4 | 3 | 7 | 10 | 5 23/32 |
| G105 | 6 1/4 | 3 | 7 | 10 | 5 23/32 | ||
| S135 | 6 1/4 | 2 3/4 | 7 | 10 | 5 23/32 | ||
NC50 | 19.5 | X95 | 6 5/8 | 3 1/4 | 7 | 10 | 6 1/16 |
| G105 | 6 5/8 | 3 1/4 | 7 | 10 | 6 1/16 | ||
| S135 | 6 5/8 | 2 3/4 | 7 | 10 | 6 1/16 |
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