Geological Drilling Tube

Geological Drilling Tube&Pipe

Anbao Group Specialized in the production of precision cold drawn seamless tubes and pipes for geological core drilling industry, including wireline drill tubes, casings, inner tubes, outer tubes, couplings and etc. The high-quality geological drilling tube and drilling pipe produced by ANBAO can flexibly meet the configuration and use requirements of different drilling depths and connection methods. Pls email us via inquiry@ab-steel.com if you have any inquires.

Steel Grade: N80, P110, P105,SM110, J55 K55, SAE4140, SAE 4130,SAE 4340, 42CrMo, 42Crmo4, 25CrMo4 , 30CrMo 34CrMo4 ,36CrNiMo4
Diameter Range :O.D 30-140 mm, WT 3-19mm
Length: According to customer’s specific requirements
Delivery Condition: 1.Cold drawn and stress relieved (+SR) (BKS) 2. Normalized (+N) (NBK) 3. Quenched and Tempered (QT)

Applications: Drill Rod Tube ; Casing Tube; Core Barrel Inner Tube & Outer Tube ;Coupling Tube ,Drill Pipe

Executive Standard:

GB/T9808 Seamless Steel Tubes for Drilling
DIN2391, Seamless precision steel tubes
EN10305-1, Seamless cold drawn tubes for precision applications
ASTM A519, Seamless Carbon and Alloy Steel Mechanical Tubing
DCDMA, Diamond Core Drilling Manufacturers Association
BS4019, Specification for rotary core drilling equipment
JIS G3465, Seamless Steel Tubes for Drilling
Or according to customer’s specific requirements

Features Of Our Geological Drilling Tubes & Pipes:

We use premium quality steel materials of SAE4140,4130,4340, 42Crmo4 or customized
High precision production and tolerances
Seamless high tensile and high pressure resistance drilling pipes and inner tube material
Latest robot welding technology with welds independently
Flexible order quantity: we accept small quantity as trial orders
6.Tested and certified by Third Party Inspection Institute SGS,TUV,ABS BV GL RINA CCS and so on.

Dimensional Range Of Geological Drilling Tube

SIZE	Wireline Drill Rod		SIZE	Casing
	Outer Diameter (mm)	Inner Diameter (mm)		Outer Diameter (mm)	Inner Diameter (mm)
	Nom.	Nom.		Nom.	Nom.
A	44.45	35.05	AW	57.1	48.4
B	55.55	46.05	BW	73.0	60.3
N	69.85	60.45	NW	88.9	76.2
H	88.90	77.80	HW	114.3	101.6
P	114.30	101.60	PW	139.7	127.0
S	139.70	125.50

SIZE	Outer Tube		Inner Tube
	Outer Diameter (mm)	Inner Diameter (mm)	Outer Diameter (mm)	Inner Diameter (mm)
	Nom.	Nom.	Nom.	Nom.
A	46.05	36.50	32.54	28.58
B	57.15	46.05	42.85	38.10
N	73.03	60.33	55.58	49.99
H	92.08	77.80	73.03	66.80
P	117.48	101.60	95.25	88.90
S	142.88	125.50	117.00	111.00