Home > Products > Seamless Steel Tubes > GB/T 9808-2008 Seamless Steel Pipe

Contact Supplier

Mr. Richard SHEN

Leave a message

Contact Now

GB/T 9808-2008 Seamless Steel Pipe

$2000

≥1500
Ton

Payment Type:

L/C,T/T,D/P,Paypal

Incoterm:

FOB,CFR,CIF,EXW,FCA,CPT,CIP

Min. Order:

1500 Ton

Transportation:

Ocean,Land,Air

Port:

Ningbo,Shanghai

Contact Now

 Chat Now

Product Description

Product Attributes
Supply Ability & Additional Information
Packaging & Delivery

< >

Overview

Product Attributes

Model No.: GB/T 9808

Brand: TORICH

Usage: Oil Drill Mineral Mining

Type: Seamless

Technique: Cold Drawn

Material: Zt380,490,520,540,590,640,740

Surface Treatment: Oiled

Section Shape: Round

WT: 0.5-50mm

Length: 4000-12500mm

OD: 6-420mm

Model Number: Gb/T 9808 -2008

STEEL GRADE: Zt380,Zt490,Zt520,Zt540,Zt590,Zt640,Zt740

Heat Treatment: Normalized, Q+T

Supply Ability & Additional Information

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

Productivity: 10000 Tons/Year

Transportation: Ocean,Land,Air

Place of Origin: China

Supply Ability: 5000 Tons/Year

Certificate: ISO

Port: Ningbo,Shanghai

Payment Type: L/C,T/T,D/P,Paypal

Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP

Packaging & Delivery

Selling Units:: Ton

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

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

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	~

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

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:

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

Product Categories : Seamless Steel Tubes

Home > Products > Seamless Steel Tubes > GB/T 9808-2008 Seamless Steel Pipe

Hot Products