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GB/T 9808-2008 Seamless Steel Pipe for Geological Drill and Mining Tubing

Name: GB/T 9808-2008 Seamless Steel Pipe for Geological Drill and Mining Tubing
Brand: TORICH INTERNATIONAL LIMITED
SKU: GB/T 9808-2008
Price: 2,550.00 USD
Availability: InStock

Brand Name:	TORICH
Model Number:	GB/T 9808-2008
MOQ:	1 Tons
Payment Terms:	L/C, D/A, D/P, Western Union, T/T, MoneyGram
Supply Ability:	60000 Tons/Year

Detail Information

Product Description

Detail Information

Place of Origin:

ZheJiang,CHINA

Certification:

ISO

Model Number:

GB/T 9808 -2008

Technique:

Cold Drawn

Surface:

Oiled

Material:

ZT380,490,520,540,590,640,740

Usage:

Oil Drill Mineral Mining

OD:

6-420mm

WT:

0.5-50mm

Length:

4000-12500mm

Steel Grade:

ZT380,ZT490,ZT520,ZT540,ZT590,ZT640,ZT740

Heat Treatment:

Normalized, Q+T

Packaging Details:

In bundles or in wooden boxes packaging.as per clients' options.

Supply Ability:

60000 Tons/Year

Highlight:

Geological Seamless Steel Tube

12500mm Seamless Steel Tube

Oiled Geological Steel Tube

Product Description

GB/T 9808-2008 Seamless Steel Pipe for Geological Drill and Mining Tubing

Product Description:

This standard specifies the drilling seamless code, ordering content, dimensions, Weight, , technical requirements, test methods, marking and quality certification, packaging, appearance inspection rules. This standard applies to the geological core drilling, well drilling, hydrogeological drilling, engineering drilling casing material, core tube materials and materials with seamless steel casing collar, ordinary drill pipe tool joints feed materials and seamless steel pipes, steel particles Drill material seamless steel pipe, rope coring drill pipe tool joints feed materials and seamless steel pipes, drill collars, drill collar lock connector feed materials and seamless steel pipes.

Chemical Compositon

CHEMICAL COMPOSITION % max
P	S
0.030	0.030

Bending Degree

Nominal Wall Thickness/mm	Bending Degree/(mm/m)
≤15	≤1.5
＞15	≤2.0

The bending degree of the wire-line drill rod is not larger than 1.0 mm per meter.

Tolerance

Standard	Producton Method	Tube Size		Tolerance
GB/T 9808-2008	Hot rolled	OD		(+1.0%D) +0.65 (-0.5%D) -0.35
		WT	≤10	(+15%S) +0.45 (-10%S) -0.35
		WT	>10	(+12.5%S, -10%S)
	Cold Drawn	OD		±0.50%D or ±0.20
	Cold Drawn	WT		±8%S or ±0.15
Q(N)/ T118-2010	Cold Drawn	OD	OD	±0.40%D or ±0.20
Q(N)/ T118-2010	Cold Drawn	WT	WT	±7%S or ±0.15

Chemical composition

Stee Grade	C	Si	Mn	P max	S max	Cu max	Cr	Mo	B
T600 (45MnMoB)	0.43-0.48	0.17-0.37	1.05-1.35	0.02	0.015	0.20	~	0.20-0.25	0.001- 0.005
T750 (30CrMnSiA)	0.28-0.34	0.90-1.20	0.80-1.10	0.02	0.015	0.20	0.8-1.1	~	~
T850 4140	0.38-0.43	0.17-0.35	0.70-0.90	0.02	0.015	0.20	0.9-1.1	0.15- 0.25	~

Testing items and sampling quantity for steel tube

Serial number	Testing item	Sampling quantity
1	Chemical composition	1 sample from each furnace
2	Tensile test	1 sample from each batch
3	Ultrasonic examination	All
4	Eddy current test	All
5	Magnetic flux leakage test	All

Grade comparison table

This standard	JIS G 3465-2006	Related industry standard
ZT380	—	DZ240
ZT490	—	DZ250
ZT520	STM-R780	—
ZT540	—	DZ255
ZT590	—	DZ260
ZT640	—	DZ265
ZT740	—	DZ275

Mechanical Properties:

Steel	Tensile Strength Mpa	Yield Point Mpa	Elongation %	Heat treatment
Grade	min
ZT380	640	380	14	Normlized
ZT490	690	490	12	Normlized
ZT540	740	590	12	Normlized
ZT590	770	590	12	Normlized
ZT640	790	640	12	QT
ZT740	840	740	10	QT
T850	950	850	15	QT

Product Picture:

Package and Delivery:

GB/T 9808-2008 Seamless Steel Pipe for Geological Drill and Mining Tubing 2

FAQ:

Q: Are you trading company or manufacturer ?

A: A professional steel pipes materials inventor, manufacturer and solution provider

Q: How long is your delivery time?

A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us.

GB/T 9808 -2008 Seamless Steel Pipe for Geological Drill and Mining Tubing

Tags:

Precision Steel Tube

Seamless Steel Tube

Stainless Steel Tube

Welded Steel Tube

DOM Steel Tube

Heavy Wall Steel Tubing

Special Steel Pipe

Alloy Steel Pipe

Automotive Steel Tubes

CNC Machining Parts

Heat Exchanger Tubes

U Bend Tube

Drill Steel Pipe

Hydraulic Cylinder Tube

Nickel Alloy Tube

Structural Steel Pipe

Precision Steel Tube

Seamless Steel Tube

Stainless Steel Tube

Welded Steel Tube

DOM Steel Tube

Heavy Wall Steel Tubing

Special Steel Pipe

Alloy Steel Pipe

Automotive Steel Tubes

CNC Machining Parts

Heat Exchanger Tubes

U Bend Tube

Drill Steel Pipe

Hydraulic Cylinder Tube

Nickel Alloy Tube

Structural Steel Pipe

products details

GB/T 9808-2008 Seamless Steel Pipe for Geological Drill and Mining Tubing

GB/T 9808-2008 Seamless Steel Pipe for Geological Drill and Mining Tubing

Geological Seamless Steel Tube

12500mm Seamless Steel Tube

Oiled Geological Steel Tube

FAQ:

Q: How long is your delivery time?

Q: Do you provide samples ? is it free or extra ?

Q: What is your terms of payment ?