Products

DESCRIPTION

Basic Info

Model NO.	square tubes-20200610
Type	Welded
Technique	Cold Drawn
Material	Carbon Steel
Surface Treatment	Black
Usage	Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Section Shape	Square
Commodity	Square Tubes
Standard	ASTM A500 En10219
Size	10X10-400X400
Wall Thickness	0.5-20mm
Length	6.5m, 6.0m, 5.0m, 4.0m, 3.0m, 1-12.0m
Steel Grade	S235/S355, Stk400/Stk500, Q345/Q235
Surface	Bare, Oil Surface, Painted, Galvanized
Business Type	Manufacturer & Exporter
Transport Package	in Bundle by Steel Strip
Specification	10x10-400x400
Trademark	Youfa
Origin	China
HS Code	7306610000
Production Capacity	5000mt/Day

Product Description

ASTM A500 Q235 S235jr S355JR Cold Rolled / Hot Rolled Black Annealed ERW Welded Hollow Section Square Steel Tube

1.Product Description: square and rectangular steel pipe

 

electric-resistance-welded
item	Chemical composition max %					Item	mechanical property
steel	C %	Mn %	S %	P %	Si %	steel	yield point Mpa	tensile strength Mpa	elongation %
Grade A	0.25	0.95	0.045	0.05	--	Grade A	205 (min)	330 (min)	26-30
Grade B	0.3	1.2	0.045	0.05	--	Grade B	240 (min)	415 (min)	21-26
Quality Standard: ASTM A53 ASTM A500 Standard Specification for Pipe, Black,and Hot-Dipped, Zinc-Coated, Welded and Seamless

chemical requirement							mechanical property			shaped structural tubing
Element		Composition. %								Grade A	Grade B	Grade C	Grade D
		Grade A, B and D		Grade C			tensile strength,min,		psi	45000	58000	62000	58000
		Heat Analysis	ProductAnalysis	Heat Analysis	ProductAnalysis				Mpa	310	400	427	400
							yield strength, min,		psi	33000	42000	46000	36000
C, max		0.26	0.30	0.23	0.27				Mpa	228	290	317	250
Mn, max		…	…	1.35	1.40		elongation in 2in. (50.8mm),min %			25	23	21	23
P, max		0.035	0.045	0.035	0.045		quality standard: ASTM A500 standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes
S, max		0.035	0.045	0.035	0.045
Copper,(when specified) min		0.20	0.18	0.20	0.18

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, painted black
Technique	Hot rolled, Cold Rolled
Application	1. structural applications, industrial and residential construction
	2. fence post / fencing / bollards / bed frame
	3. natural gas
	4. in fire sprinkler systems / water supply
	5. athletic equipment / light pole / lamppost
	6. Agriculture / greenhouse
Package	1. Bundle Packing.
	2. Wrapped in waterproof paper.
	3. Sackcloth with several steel strips.

Product Pictures:

 

Our Advantage of Square Pipes:

 

Our regular Steel Pipes:

 

Factory Display: YOUFA steel pipe group.

 

Customers Visit YOUFA steel pipe group.

FAQ:

1
	Are you a trading company or manufacturer?
	Yea, we are manufacturer. We have our own manufacturer-Tianjin YOUFA steel pipe group.Besides headquartering in Tianjin, currently we have11 subsidiariesand branches in Tangshan, Handan,and Shaanxi. There are totally 9000 employees
	Tianjin YOUFA international Trade. is our own export trade platform.
	URL: sianosteel.en.made-in-china.com
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 Steel Pipe manufacturing.
	We could print the logo and label under your requirements if you need OEM products.
8
	What is your terms of delivery?
	We accept EXW, FOB, CIF, CFR etc. You can choose the one which is the most convenient or cost
	effective for you.
9
	Shipping
	Asia Countries: 10-30 days,
	Middle East: Around 30-40 days
	Africa: Around 30-50 days
	South America : 30-60 days
	Please advise your port in you inquiry for quoting, will quote for you specifically

YOUFA steel pipe group attend the exhibition:

 

About US:
Tianjin YOUFA were founded on July 1st,2000, besides headquartering in Tianjin, currently we have 11 subsidiariesand branchs in Tangshan, Handan, and Shanxi. They are totally 9000 employees, In addition 64 ERW Steel Pipe production line, 42 Hot dipped galvanized steel pipe production line, 33 square and rectangular praoduction lines, 15 galvanized square and rectangular praoduction lines, 9 SSAW steel pipe production line, 3 National accredited Laboratory and 1 Tianjin government accreditedbusiness technology center, in 2019, we had produced all kinds of steel pipes 16 million tons, realizing export being USD 0.16 billion. Our steel pipes production and sale AT NO.1 in nine consecutive years.

Why Choose US:
We are the Biggest steel pipe manufacturer in China. the most reliable steel pipe supplier in China.
And we have rich experience in handling order for heavy buyers with professional process.

1. Stable raw material purcahsing.
2. Favorable orders follow-up management.
3. Laudable Lead-time & Shipment Control.
4. Traceable quality evaluation.
5. Flexible payment terms.

If you are Interest, Send me the inquiry here!