API Drill String Components , AISI 4145H Lifting Sub Drilling

Price Negotiable

Price: USD150-1000/pc

MOQ: 1 pc

Delivery Time: 20-30 days

Product Description

API Drilling tool NC50 XT54 6-5/8REG 5 1/2FH Lifting Sub, Lift Nipple

Description of lifting sub

Lifting sub is the special tools for lifting of the drill tools in petroleum, natural gas industry and geologic exploration. There're two types for drill tool lifting sub in structure: type A or B. Type A lift sub is with 18 degree shoulder, and type B is with 90 degree shoulder. All lifting subs are complied with API standard.

1. Material:alloy steel

2. Melting process: EAF+LF+VD

3. Machining process: forging +rough machining+ heat treatment + finish machining

4. Heat treatment: Normalized / Annealed / Quenched / tempered

5. Standard: API spec7-1 & ISO9001:2008

Technical specifications and parameters

No.	Nominal size D+/-0.1 mm(in)	ID d/mm	External Thread connection				Lifting end
No.	Nominal size D+/-0.1 mm(in)	ID d/mm	Thread type	OD Dp+/-0.1 mm(in)	Bevelled DE/mm	Tong Space LPB/mm	DB+/-0.1	Tong Space LPB/mm
1	73 (2 7/8)	31.8	NC23	79.4	76.2	250	111.1	100
2	73 (2 7/8)	44.5	NC26(2 3/8)	88.9	82.9		111.1
3	89 (3 1/2)	54	NC31(2 7/8)	104.8	100.4		127
4		50.8	NC35	120.7	114.7
5		68.3	NC38(3 1/2)	127	121
6	127(5)	71.4	NC44	152.4	144.5		168.3
7		71.4	NC44	158.8	149.2
8		82.6	NC46 (4" IF)	158.8	150
9				165.1	154.8
10				171.5	159.5
11	127	82.6	NC50(4 1/2"IF)	177.8	164.7	250	168.3	100
12			NC50(4 1/2"IF)	184.2	169.5	250
13			NC56	196.8	185.3	300
13			NC56	203.2	190.1
14			6 5/8"REG	209.6	195.7
15		95.3	NC61	228.6	212.7
16			7 5/8"REG	241.3	223.8
17			NC70	247.7(9 3/4)	232.6
18			NC70	254(10)	237.3
19			NC77	279.4(11)	260.7
20			NC77	279.4(11)	260.7