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Core Barrel Inner Seamless Drill Pipe WLA WLB WLN WLH

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Name: Core Barrel Inner Seamless Drill Pipe WLA WLB WLN WLH
Brand: New-Era
Price: 1 USD

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Seamless Mining Drill Core Tube for Diamond Rock Drilling Inner tubes

AISI4130/AISI1541 Wireline Core Barrel Inner Tubing WLA/WLB/WLN/WLH

Core tubes should be made seamless. Inner tube rolling technique and machining operations are optional.

Core Tube straightness is checked by rolling the tube on a horizontal or slightly inclined flat surface.

When rolling, no clearances shall be seen between the rod ends and the surface, nor between the middle

of the drill rod (core tube) and the surface.

International Standard ISO 10097-1 was prepared by Technical Committee ISO/TC 82, Mining, Subcommittee

SC 6, Diamond core drilling equipment.

ISO 10097 consists of the following parts, under the general title Wireline diamond core drilling equipment —

System A:

SEAMLESS DRILL PIPES NORM:ISO10097-1 WIRELINE DIAMOND CORE DRILLING TUBES ,

DCDMA DRILL STEEL PIPES,BS4019 ROCK DRILLING PIPES,METRIC DRILLING

RODS,ASTM A519 SEAMLESS ALLOY STEEL TUBING FOR ROCK DRILLING RODS.

STEEL GRADE: SAE/AISI4130,SAE4140,SAE1541,1045,St52.3,XJY750,R780

Product Name	Seamless Mining Drill Pipes for wireline
Material	SAE1541 drill outer pipes
Delivery Condition	Stress relieved or Normalized
Standard	ISO10097-1
Application	Wire-line drill rods and core tubes
Certificate	TS16949, ISO 9001
HS code	7304319000
Delivery Time	40 days
Pakcing	Bundles or Woodern Boxes

The rock drilling Inner tubes dimension and tolerance as follows:

The Wireline Drilling Inner Tubing Normal Sizes:
Designation	Outside Diameter (mm)		Inside Diameter (mm)
	Min	Max	Min	Max
WLA	32.54	32.67	28.45	28.58
WLB	42.86	42.99	37.97	38.10
WLN	55.56	55.74	49.83	50.01
WLH	73.03	73.23	66.73	66.93

Materials used in the manufacture of the wireline drilling inner tubes specified in this part of ISO 10097 shall

have the minimum mechanical properties as specified in Table

The Mining Drill Pipes Mechanical Properties:
Type	Tensile Strength Mpa min	Yield Strength Mpa min	Elongation % min	HRC	Heat Treatment
Drill rods	690	550	12	21-26	Normalized
Core tubes	850	550	14	21-26	Normalized

The Products Pictures:

Core Barrel Inner Seamless Drill Pipe WLA WLB WLN WLH

Tags:Seamless drill pipes, core barrel outer tube,Wireline drill rods,core tube,Drill Rods WLA/WLB/WLN/WLH/WL

Core barrel Inner tubes,inner drill tubing.

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