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Precision seamless steel tube for mechanical and automobile

FOB Price

USD $1.15 - $3.59 / Kilogram

1 Kilogram(Min.Order)

Supply Ability 800 Ton / Tons per Month
Port SHANGHAI NINGBO QINGDAO DALIAN TIANJIN ETC.
Payment Terms:T/T L/C D/P D/A Credit Card PayPal

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Product Details

Thickness:	0.5, 8
Section Shape:	Round	Outer Diameter:	3 - 80 mm	Place of Origin:	Jiangsu, China
Secondary Or Not:	Non-secondary	Application:	Other, Drill Pipe, Fluid Pipe, Hydraulic Pipe, Oil Pipe, Structure Pipe	Technique:	Cold Rolled
Certification:	Other, ISO9001:2008	Surface Treatment:	Other, Polishing, Galvanized	Special Pipe:	Thick Wall Pipe
Alloy Or Not:	Non-alloy

Product Description

Precision seamless steel tube for mechanical and automobile

DIN2391 Carbon Seamless Steel Pipe Tube

Chemical Composition

Standard	Steel Grade	C(%)	Si(%)	Mn(%)	S(%)	P(%)
DIN 2391	St35	≤0.17	≤0.35	≥0.40	≤0.025	≤0.025
	St37	≤0.17	≤0.35	≥0.40	≤0.025	≤0.025
	St37.4	≤0.17	≤0.35	≥0.40	≤0.025	≤0.025
	St45	≤0.21	≤0.35	≥0.40	≤0.025	≤0.025
	St44	≤0.21	≤0.35	≥0.40	≤0.025	≤0.025
	St52	≤0.22	≤0.35	≥1.60	≤0.025	≤0.025

Mechanical Property:

Standard	Steel Grade	Mechanical Performance
		GBK(+A)		NBK(+N)
		Tensile Strength (Rm mpa)	Elongation rate (A5 %)	Tensile Strength (Rm mpa)	Yield Strength (Reh mpa)	Elongation rate (A5 %)
DIN 2391	St35	≥315	≥25	346-478	≥235	≥25
	St37	≥315	≥25	346-478	≥235	≥25
	St37.4	≥315	≥25	346-478	≥235	≥25
	St45	≥390	≥21	440-570	≥255	≥21
	St44	≥390	≥21	440-570	≥255	≥21
	St52	≥490	≥22	490-630	≥355	≥22

Other Specification:

End Shape	Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's requirements
Surface Treatment	Oiled, Galvanized, Phosphate etc
Technique	Cold drawn & cold rolled
Application	1. Automotive and mechanical pipes
	2. Petroleum cracking pipes
	3. High Pressure Boiler Pipe
	4. Low and middle pressure fluid transportation pipeline
	5. Chemical fertilizer equipment pipes
	6. Heat exchanger pipes
Delivery Conditions	1. BK (+C)	No heat treatment after last cold forming process.
	2. BKW (+LC)	After last heat treatment there is a light finishing pass (cold drawing)
	3. BKS (+SR)	After the final cold forming process the tubes are stress relieve annealed.
	4. GBK (+A)	After the final cold forming process the tubes are annealed in a controlled atmosphere.
	5. NBK (+N)	After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere.
Package	1. Bundle Packing.
	2. Plain end or vanished as per customer's request.
	3. Wrapped in waterproof paper.
	4. Sackcloth with several steel strips.
	5. Pack in heavy tri-wall boxes.

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Application

Our Seamless Steel Pipe are capable of making all of the following products :

Fuel injection Pipe, Oil flow pipeline	Automobile and motorcycle Shock Absorber Pipe
Seat lifter Pipe	Hydrau-cylinder Pipe
Bicycle frame steel pipes	Mechanical steel pipes for auto and motor parts
Auto and Motorcycle Parts	Exhaust Pipe for Generator
High Heels Steel Pipes	Campanula Seamless Steel Pipe
Bike and Bicycle Frame	Hydraulic System(Oil Pipeline, Motor Engine Pipe)
Sewing machine and textile machine parts	Air conditioning fitting
Gas oil burner pipe	Oil pipe drilling
Auto and motor pipe fittings	Gas Spring pipe,motor casing pipe

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Product Description

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Equipment

EQUIPMENT PRODUCTION:		EUIPMENT TESTING:
EQUIPMENT PRODUCTION:		EUIPMENT TESTING:
1.Cold Drawn Machine;		1.Chemical Analysis Instrument;
2.High Pressure Washing Platform;		2.Optical Spectrum Analyze;
3.Anaerobic Annealing Furance;		3.Eddy Current Detector;
4.Straightening Machine;		4.Mechanical Tester;
5.Polishing Machine.		5.Rockwell Harden Tester.

Qualification

1.We adopt special techniques and special skills in the acid cleaning process to deal with the place where it is easy to form fold crevice;

2.Well organized process,especially annealing treatment in a severely technical manner;

3.In respect with lubrication, we adopt the international advanced level treating process in the world, and put the surface quality of our products under strict control in order to prevent causing surface crack.

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Packaging & Shipping

1.Anti-rust oil coating(free) 2.Capping(charge)

3.Used steel stip to fix(free) 4.Packed with waterproof papper(free)

5.Packed with firm sack cloth(free) 6.Wooden case package(charge)

Company Information

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FAQ

1
	Are you a trading company or manufacturer?
	Yea, we are manufacturer. We have our own manufacturer-Changzhou Chengqi Steel Pipe Factory.
	Changzhou Drake International Trade Co.,Ltd. is our own export trade platform.
	URL: /
	http://chengqisteelpipe.en.china.cn/

2
	How can I get the price?
	We usually quote within 24 hours after we get your inquiry by telling us the material, out diameter,
	wall thickness length, quantity and application of the steel pipe which you need. If you are very
	urgent to get the price, please inform us in email so that we will regard your inquiry priority.

3
	How can I get a sample to check your quality?
	After price confirmation, you can require for samples to check our quality.
	we will provide you the sample for free, however we could only make sure the same material, the
	dimension will be much similar as your request but not same. And customer should afford the
	charge of shipment.

4
	How long can I expect to get the sample?
	The samples will be sent to you via express and arrive in 3-5 days.
	You can use your own consignee account or prepay us if you do not have an account.

5
	What about the lead time for mass production?
	Honestly, it depends on the order quantity and the season you place the order.

6
	What is the Small Qty Process Charge.
	It is the payment for customer whose order qty is less then Min Order Qty. Because small qty of
	products should be processed same in the production flow as big qty and the average cost would
	get much higher than big ones. So there is a small Qty Process Charge to ensure the profit of our
	factory and usually the amount of it is about $250.00

7
	Could the pipe be customized for us?
	Yes. We are the professional manufacturer which has rich experience in Precision Seamless Steel
	Pipe manufacturing.

	We could print the logo and label under your requirements if you need OEM products. Beside this,
	we still do some refined processes like CNC cutting, chamfering, galvanization and tapping, if you
	have detailed spec or drawing.Our production lead time is within 30-45 days.

8
	What is your terms of delivery?
	We accept EXW, FOB, CIF, DDU etc. You can choose the one which is the most convenient or cost
	effective for you.

9
	Shipping
	European Countries: 22-28 days,
	The United States: East --13-16 days, West--21-28 days
	Brazil: 30-40 days
	Russia: 36 days
	Japan: 3 days
	Please advise your port in you inquiry for quoting, will quote for you specifically

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Don't hesitate to contact us if you have any questions. Thank you !

Contact Us

Changzhou Drake International Trade Co., Ltd.: Contact nameJoanna Zhou; Phone0086-519-83856060; AddressNo.78 Suntang, Qinxin Village, Yoao Guan Town,Wujin District Changzhou,Jiangsu

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Precision seamless steel tube for mechanical and automobile

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Precision seamless steel tube for mechanical and automobile

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